Desktop PCs / Compare

Dell Alienware Area-51 (2025) vs Lenovo Legion Tower 7i Gen 10

A

Product A: Dell

Alienware Area-51 (2025)

92 of 160 known

Change Dell Alienware Area-51 (2025)

Compare the Lenovo Legion Tower 7i Gen 10 with

Search desktop PCs

B

Product B: Lenovo

Legion Tower 7i Gen 10

87 of 160 known

Change Lenovo Legion Tower 7i Gen 10

Compare the Dell Alienware Area-51 (2025) with

Search desktop PCs

All 160 fields

Every value links to where we found it.

Only differences

ADell Alienware Area-51 (2025)

BLenovo Legion Tower 7i Gen 10

General

5 of 9 differ

Series

Alienware14Maker product pagedell.com/en-us/shop/desktop-computers/spd/alienwarearea51aat2250Read 30 September 2026Page title: Alienware Area-51, Model AAT2250, US Gaming category. Shared chassis text: removable filters. AlienFX front, fan and cooler lighting is managed in Alienware Command Center. Windows 11 Home is the base OS. Cooler, front and bottom RGB is corroborated by the manual thermal and lighting table. Scope: shared family features. OS default only. The exact review build OS version is not separately stated.

Legion1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

AAT225014Maker product pagedell.com/en-us/shop/desktop-computers/spd/alienwarearea51aat2250Read 30 September 2026

90Y6001JUS, Legion T7 34IAS101Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Exact US 90Y6001JUS reference. Family identifier Legion T7 34IAS10 is retained as an additional maker identifier. No 285K, 265KF, other GPU or regional configuration is inherited.

GTIN / EAN

Not available

1981566534201Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Exact model export, MODEL table, EAN / UPC / JAN 198156653420. Refurbisher UPCs are excluded.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

Not available

7 January 20259Press releasenews.lenovo.com/pressroom/press-releases/lenovo-legion-unleashes-next-gen-gaming-power-at-ces-2025Read 8 October 2026Maker first announcement of marketed Legion Tower 7i Gen 10 family at CES. Exact 90Y6001JUS export separately lists March 24, 2025 configuration announcement. Planned April family availability is not exact reference-SKU first-sale proof.

Status

Not available

Available2Maker product pagelenovo.com/us/en/p/desktops/legion-desktops/legion-t-series-towers/legion-tower-7i-gen-10/90y6001jusRead 8 October 2026Exact US SKU page offers Add To Cart. Current availability is not used as historical launch-date proof.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

Not available

Not available

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US14Maker product pagedell.com/en-us/shop/desktop-computers/spd/alienwarearea51aat2250Read 30 September 2026

US1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Exact export identifies United States of America. Current US maker page lists this sold configuration.

ColoursiThe maker's own colour names

Lunar Silver12Retailer pagebestbuy.com/product/alienware-area-51-gaming-desktop-intel-core-ultra-9-series-2-285k-2024-32gb-memory-nvidia-geforce-rtx-5080-2tb-storage-lunar-silver/J3K4L6J9C7Read 30 September 2026The alternate 32 GB / 5080 AAT2250 title says Lunar Silver. The No Wasted Space feature explicitly says standard ATX motherboard and removable fan filters. Scope: shared chassis and board format only. Alternate build parts are excluded.

Storm Grey1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

SegmentiUse the maker's product category. Do not assign a use case from performance or appearance alone.

Gaming14Maker product pagedell.com/en-us/shop/desktop-computers/spd/alienwarearea51aat2250Read 30 September 2026

Gaming1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Form factoriThe maker's stated chassis class. Generic tower does not imply a full, mid or mini tower tier.

Full tower1Maker product pagedell.com/en-us/shop/alienware/gaming/desktopsRead 8 October 2026Dell explicitly classifies Intel Model AAT2250 as a Full-Sized Gaming Tower in its compare section. This is the maker chassis class, not an inference from dimensions or gaming performance.

Tower (size tier not specified)1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Case

6 of 10 differ

Case dimensionsiChassis width, height and depth in the stated orientation. Source notes identify feet, handles or brackets excluded by the maker. An all-in-one is measured with its included stand when the maker gives both sizes.

Width231.6Height569Depth610.5mm(9.1 × 22.4 × 24 in)4Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026Dimensions and Weight table: height 569 mm, width 231.6 mm, depth 610.5 mm. Weight (maximum) 34.58 kg. Scope: shared AAT2250 chassis. Maximum published weight, not a weighed reference.

Width211Height489.93Depth446mm(8.3 × 19.3 × 17.6 in)1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Exact model export gives width 211, depth 446 and height 489.93 mm. Axis order is copied from its labelled WxDxH row.

Case volumeiVolume published by the maker. It may differ from the outer dimensions multiplied together.

80L1Maker product pagedell.com/en-us/shop/alienware/gaming/desktopsRead 8 October 2026Maker compare section explicitly labels Model AAT2250 as an 80L Full-Sized Gaming Tower. Published chassis volume, not a calculation from outer dimensions. AMD AAT2265 and Aurora ACT1250 entries are separate and are not the basis for this field.

34L1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Maker tower class is 34 L. This is published chassis volume, not a multiplication of exterior dimensions.

WeightiPublished system weight for the stated configuration. Source notes distinguish maximum, approximate and starting weights. An all-in-one is weighed with its included stand when the maker gives both weights.

34.58kg(76.2 lb)4Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

18kg(39.7 lb)1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Literal maker approximation Around 18 kg. Its footnote says lab-based system weight varies with component sourcing and manufacturing. This is not an exact measured mass of the selected unit.

Case model

Not available

Not available

Case materialsiPublished materials of the enclosure and panels, not every internal component. An edition with other panels, such as a wood front, can differ, so it is per variant.

Tempered glass, Plastic9Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026Thermal matrix, 285K column: 1500 W, 360 mm liquid cooler, 3 top 120 mm radiator fans, 2 front 180 mm RGB fans, 2 bottom 140 mm RGB fans, tempered-glass left door. Scope: CPU-selected maker configuration matrix. The manual revision predates RTX 50 cards.17Reviewtomshardware.com/desktops/gaming-pcs/alienware-area-51-reviewRead 8 October 2026Design passage identifies plastic around the chassis and an unspecified metal front. Plastic is added to the independently documented tempered-glass panel. The metal alloy is not stated and is not classified as aluminium or steel.

Glass (type not specified)6Reviewwindowscentral.com/hardware/lenovo/lenovo-legion-tower-7i-gen-10-reviewRead 8 October 2026Hands-on Gen 10 chassis review explicitly identifies the side glass panel. Only that enclosure material is recorded. Other frame/front materials are unproved.

Side panel

Tempered glass9Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

Glass (type not specified)6Reviewwindowscentral.com/hardware/lenovo/lenovo-legion-tower-7i-gen-10-reviewRead 8 October 2026Same Gen 10 chassis uses two thumbscrews for side glass access. This is not a tempered-glass claim.

Front panel

Solid19Reviewhothardware.com/reviews/alienware-area-51-2025-reviewRead 8 October 2026Exact 285K / RTX 5090 / 64 GB / 2 TB reference review explicitly describes a solid case front with a 30 mm gap on both sides feeding the front intake fans. Solid refers to the front panel itself, not to the adjacent ventilation openings.

Mesh2Maker product pagelenovo.com/us/en/p/desktops/legion-desktops/legion-t-series-towers/legion-tower-7i-gen-10/90y6001jusRead 8 October 2026Current maker calls the bezel 3D mesh. No mesh aperture, material alloy or full-tower subclass is inferred.

Tool-less side paneliWhether the side panel can be opened without a tool after any shipping or security screw is removed. Conditions belong in the source note.

Yes2Reviewtomsguide.com/computing/gaming-desktops/alienware-area-51-reviewRead 30 September 2026Public design: rear dial and panel-release button. Performance table: Geekbench 6 3148 single and 21786 multi. Gaming at 1080p and 4K: Dirt 5 287 and 119, Metro Exodus Enhanced 149 and 89, Shadow of the Tomb Raider 244 and 169, Total War Warhammer III 291 and 150. Table uses max settings. Power and fan profile, upscaling and frame generation are not stated. Scope: exact configuration.

Yes2Maker product pagelenovo.com/us/en/p/desktops/legion-desktops/legion-t-series-towers/legion-tower-7i-gen-10/90y6001jusRead 8 October 2026Current maker description explicitly says tool-free transparent side-panel access. Manual removal includes two screws. Matching-family hands-on review identifies them as thumbscrews. Security/shipping locks must first be released.

Dust filters

Yes14Maker product pagedell.com/en-us/shop/desktop-computers/spd/alienwarearea51aat2250Read 30 September 2026

Yes8Owner's manualobjects.icecat.biz/objects/mmo_132394436_1750168882_3384_2893442.pdfRead 8 October 2026Printed top-view page 2 labels the removable dust screen. The guide does not publish mesh pore size or filter grade.

VESA mount

Not available

Not available

Display

None of 6 known

Screen sizeiActual diagonal of the primary built-in all-in-one display. Do not substitute a rounded marketed size. External bundled monitors and chassis status screens are excluded.

Not available

Not available

Native resolutioniPhysical pixel resolution of the primary built-in all-in-one display. External video-output limits, bundled monitors and chassis status screens do not qualify.

Not available

Not available

Panel typeiPublished panel technology of the primary built-in all-in-one display. A display brand name alone does not establish panel technology. External bundled monitors and chassis status screens are excluded.

Not available

Not available

Max refresh rateiHighest published refresh rate of the primary built-in display at native resolution. External video-output limits do not qualify.

Not available

Not available

TouchscreeniPublished touch-input support of the primary built-in display. A touchscreen status panel does not qualify.

Not available

Not available

Brightness (SDR, claimed)iManufacturer ordinary brightness rating of the primary built-in display. Preserve published conditions in source notes. Not HDR peak, outdoor peak or a reviewer measurement.

Not available

Not available

Motherboard

4 of 9 differ

Motherboard

Not available

Not available

Chipset

Intel Z8905Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026Chipset Intel Z890. Memory table: two UDIMM slots, DDR5, 8, 16 and 32 GB module capacities, max 64 GB. Reference 64 GB and max 32 GB per module establish 2 x 32 GB. Scope: exact configuration.

Intel Z8901Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Motherboard form factoriMotherboard dimensions class, not the size of the computer case.

ATX12Retailer pagebestbuy.com/product/alienware-area-51-gaming-desktop-intel-core-ultra-9-series-2-285k-2024-32gb-memory-nvidia-geforce-rtx-5080-2tb-storage-lunar-silver/J3K4L6J9C7Read 30 September 2026

Not available

CPU socket

LGA185115Spec databaseintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 30 September 2026

LGA18514Maker product pageintel.com/content/www/us/en/products/sku/241063/intel-core-ultra-7-processor-265k-30m-cache-up-to-5-50-ghz/specifications.htmlRead 8 October 2026Intel supported package FCLGA1851, canonical socket label LGA1851.

Expansion slotsiPhysical card slots and WLAN M.2 slots. Storage M.2 slots belong in storage_slots. Mechanical slot shape and electrical lane width are separate.

ADell Alienware Area-51 (2025)

Mechanical slot type	Electrical lanes	PCIe generation	Count	Occupied
PCIe x16	16	5	1	Yes
PCIe x4	4	4	2	No

Source6Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026Internal ports: one PCIe Gen5 x16 and two PCIe Gen4 x4. External ports: 2 Thunderbolt 4 Type-C at 40 Gbps with DisplayPort and 15 W, 2 Type-C Gen 2, 1 Type-A Gen 1, 5 USB 2.0 Type-A, RJ45, S/PDIF, line in and line out, and an antenna connector. Exact RTX 5090 card outputs are excluded. The antenna connector count is not stated. Scope: shared board. The installed GPU identifies the primary slot. Other slot occupancy is based on no listed additional card.

BLenovo Legion Tower 7i Gen 10

Mechanical slot type	Electrical lanes	PCIe generation	Count
PCIe x16	16	5	1
PCIe x16	4	4	1
PCIe x1	1	3	1

Source1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Three complete physical card-slot types are listed. Both mechanically x16 slots are counted, even though the second has four electrical lanes. Occupancy is unknown and not inferred from generic illustrations. The additional WLAN M.2 socket has no explicitly published key, so it is not labelled E-key here.

PCIe x16 slotsiCounts mechanically x16 card slots, including occupied slots. A slot may have fewer electrical lanes.

1=CalculatedFrom Expansion slots

2=CalculatedFrom Expansion slots

Free expansion slotsiCounts slots documented as unoccupied. GPU thickness can block access to an unoccupied slot.

2=CalculatedFrom Expansion slots

Not available

Fan headersiPhysical connectors for fans on the motherboard, not the number of installed fans.

Not available

Not available

Overclocking in BIOSiTrue when BIOS permits CPU or memory tuning. Source notes must distinguish XMP or EXPO memory tuning from CPU multiplier overclocking.

Not available

Not available

Processor

7 of 16 differ

Processor

Intel Core Ultra 9 285K2Reviewtomsguide.com/computing/gaming-desktops/alienware-area-51-reviewRead 30 September 2026Public specs table identifies the tested Core Ultra 9 285K, GeForce RTX 5090, 64 GB RAM and 2 TB SSD. The system SSD interface is M.2 NVMe in the manual, page 24. The installed SSD generation and model are unknown. Scope: exact configuration.

Intel Core Ultra 7 265K1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Processor brand

Intel15Spec databaseintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 30 September 2026Intel ARK 285K: Products formerly Arrow Lake. 8 performance and 16 efficient cores. P base 3.7 GHz, P Max Turbo 5.5 GHz. E base 3.2 GHz, E Max Turbo 4.6 GHz. Threads 24. Smart Cache 36 MB. Lithography TSMC N3B. Processor Base Power 125 W. NPU peak 13 TOPS. Socket FCLGA1851. Intel Graphics only on non-F CPU. Processor TVB and Turbo Boost Max 3.0 differ from the core-type turbo cells. Scope: chip specification, not PC BIOS or power-limit measurement.

Intel4Maker product pageintel.com/content/www/us/en/products/sku/241063/intel-core-ultra-7-processor-265k-30m-cache-up-to-5-50-ghz/specifications.htmlRead 8 October 2026

Processor codenameiChip maker's processor or platform codename. This is separate from each core's architecture name.

Arrow Lake15Spec databaseintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 30 September 2026

Arrow Lake4Maker product pageintel.com/content/www/us/en/products/sku/241063/intel-core-ultra-7-processor-265k-30m-cache-up-to-5-50-ghz/specifications.htmlRead 8 October 2026

Core configurationiOne row per stated core category. Apple super cores are distinct from performance cores. Clock values describe that category.

ADell Alienware Area-51 (2025)

Core type	Count	Base clock (GHz)	Max core turbo clock (GHz)
Performance	8	3.7	5.5
Efficiency	16	3.2	4.6

Source15Spec databaseintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 30 September 2026

BLenovo Legion Tower 7i Gen 10

Core type	Count	Base clock (GHz)	Max core turbo clock (GHz)
Performance	8	3.9	5.4
Efficiency	12	3.3	4.6

Source4Maker product pageintel.com/content/www/us/en/products/sku/241063/intel-core-ultra-7-processor-265k-30m-cache-up-to-5-50-ghz/specifications.htmlRead 8 October 2026Intel ARK core-category frequencies. Favored-core Turbo Boost Max 3.0 5.5 GHz is not substituted for the performance-core category maximum 5.4 GHz. No per-core architecture name is guessed.

CPU cores

24=CalculatedFrom Core configuration

20=CalculatedFrom Core configuration

Performance coresiCounts rows explicitly classified as performance cores. Apple super cores are stored separately and excluded.

8=CalculatedFrom Core configuration

8=CalculatedFrom Core configuration

Efficiency coresiCounts efficiency and low-power efficiency cores. Zero means a complete stated core configuration has no such cores.

16=CalculatedFrom Core configuration

12=CalculatedFrom Core configuration

Threads

2415Spec databaseintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 30 September 2026

204Maker product pageintel.com/content/www/us/en/products/sku/241063/intel-core-ultra-7-processor-265k-30m-cache-up-to-5-50-ghz/specifications.htmlRead 8 October 2026

Max core turbo clockiHighest core-category turbo or boost clock in cpu_clusters. Separate favored-core or processor-level boost ratings are not substituted for a category's published turbo clock.

5.5GHz=CalculatedFrom Core configuration

5.4GHz=CalculatedFrom Core configuration

L3 cache

36MB15Spec databaseintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 30 September 2026

30MB4Maker product pageintel.com/content/www/us/en/products/sku/241063/intel-core-ultra-7-processor-265k-30m-cache-up-to-5-50-ghz/specifications.htmlRead 8 October 2026

CPU core process nodeiPublished CPU-core fabrication node. Package components and I/O dies may use other nodes. Maker node name belongs in the source note.

3nm15Spec databaseintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 30 September 2026

3nm4Maker product pageintel.com/content/www/us/en/products/sku/241063/intel-core-ultra-7-processor-265k-30m-cache-up-to-5-50-ghz/specifications.htmlRead 8 October 2026Intel publishes CPU lithography TSMC N3B. The stored 3 nm value is the named CPU-core process node, not every package tile.

CPU base power (chip rating)iChip maker's base-power or default-TDP rating. It is not measured wall power or the PC maker's configured power limit.

125W15Spec databaseintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 30 September 2026

125W4Maker product pageintel.com/content/www/us/en/products/sku/241063/intel-core-ultra-7-processor-265k-30m-cache-up-to-5-50-ghz/specifications.htmlRead 8 October 2026Chip maker Processor Base Power 125 W. Maximum Turbo Power 250 W is a chip rating and is not copied into the PC configured-power field.

Peak CPU power (configured)iPower limit configured by the PC maker, such as PL2 or PPT. Do not substitute the chip maker's maximum turbo-power rating.

Not available

Not available

Unlocked multiplier

Yes16Maker product pageintel.com/content/www/us/en/support/articles/000099656/processors.htmlRead 30 September 2026Summary and product list identify 285K and 265K/265KF as unlocked Core Ultra Series 2 desktop CPUs. Scope: CPU property. Board overclocking permission is unknown.

Yes5Maker product pageintel.com/content/www/us/en/gaming/extreme-memory-profile-xmp.htmlRead 8 October 2026Intel XMP FAQ, What Is Intel 200S Boost, explicitly identifies Core Ultra 7 265K as an unlocked Core Ultra 200S processor. This does not establish the multiplier or voltage controls exposed by Lenovo BIOS.

NPU performanceiPublished NPU throughput only. GPU, total-system AI throughput and different precision modes are separate. Precision belongs in the source note.

13TOPS15Spec databaseintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 30 September 2026

13TOPS4Maker product pageintel.com/content/www/us/en/products/sku/241063/intel-core-ultra-7-processor-265k-30m-cache-up-to-5-50-ghz/specifications.htmlRead 8 October 2026Intel NPU Peak TOPS (INT8), 13. Overall 33 TOPS and GPU 8 TOPS are separate and not substituted.

Integrated GPU

Intel Graphics15Spec databaseintel.com/content/www/us/en/products/sku/241060/intel-core-ultra-9-processor-285k-36m-cache-up-to-5-70-ghz/specifications.htmlRead 30 September 2026

Intel Graphics4Maker product pageintel.com/content/www/us/en/products/sku/241063/intel-core-ultra-7-processor-265k-30m-cache-up-to-5-50-ghz/specifications.htmlRead 8 October 2026The selected non-F 265K contains Intel Graphics. This does not guarantee every onboard video connector is enabled in the BIOS.

Cooling

3 of 6 differ

CPU cooler

AIO liquid9Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

AIO liquid7Press articletomshardware.com/desktops/gaming-pcs/shave-an-unbelievable-48-percent-off-this-legion-tower-7i-gen-10-with-rtx-5080-score-usd1-851-off-in-lenovos-saleRead 8 October 2026Exact 265K / RTX 5080 / 32 GB / 2 TB offer explicitly identifies a 360 mm AIO cooler. Reference PSU 850 W and case match the current maker SKU. Unscoped retailer original price is not a launch MSRP. Graphics benchmark charts in the article test a separate Founders Edition GPU and are not PC measurements.

CPU cooler model

Not available

Not available

Radiator size

360mm9Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

360mm2Maker product pagelenovo.com/us/en/p/desktops/legion-desktops/legion-t-series-towers/legion-tower-7i-gen-10/90y6001jusRead 8 October 2026Selected System Specs: 250 W 360 mm Liquid Cooling plus one rear and two top ARGB fans. 250 W describes cooling capacity and does not establish a configured CPU power limit.

Radiator position

Top9Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

Front1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026The exact model export says its three front fans are included in the liquid-cooling module. Current selected SKU page explicitly specifies 360 mm liquid cooling.

Case fansiInstalled chassis airflow fans, including radiator fans. Excludes GPU, PSU and standalone CPU-cooler fans. Count fan rotors, including multiple rotors in a single-frame assembly. A mini PC whose only fan cools the processor and moves the air through the case counts that fan.

ADell Alienware Area-51 (2025)

Position	Size (mm)	Fan rotors	On radiator	RGB
Top	120	3	Yes	Not available
Front	180	2	No	Yes
Bottom	140	2	No	Yes

Source9Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

BLenovo Legion Tower 7i Gen 10

Position	Size (mm)	Fan rotors	On radiator	RGB
Front	120	3	Yes	Yes
Rear	Not available	1	Not available	Yes
Top	Not available	2	Not available	Yes

Source1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Exact Cooler and System Fan rows name three 120 mm radiator fans, one rear fan and two top fans. The separately worded three front ARGB fans are expressly included in the liquid-cooler module and are the same three radiator fans. Total is six rotors, not nine. Rear/top dimensions and PWM support are unpublished.

Number of case fansiSum of documented chassis and radiator fan rotors. Excludes GPU, PSU and standalone CPU-cooler fans.

7=CalculatedFrom Case fans

6=CalculatedFrom Case fans

Graphics

2 of 11 differ

Discrete GPU

Yes2Reviewtomsguide.com/computing/gaming-desktops/alienware-area-51-reviewRead 30 September 2026

Yes1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

GPUiDiscrete graphics chip. Integrated graphics belong in integrated_gpu.

NVIDIA GeForce RTX 50902Reviewtomsguide.com/computing/gaming-desktops/alienware-area-51-reviewRead 30 September 2026

NVIDIA GeForce RTX 50801Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

GPU brand

NVIDIA2Reviewtomsguide.com/computing/gaming-desktops/alienware-area-51-reviewRead 30 September 2026

NVIDIA1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Graphics card

Not available

Not available

VRAM

32GB3Maker product pagenvidia.com/en-us/geforce/graphics-cards/50-series/rtx-5090Read 30 September 2026View Full Specs, Memory Specs, Standard Memory Config: 32 GB GDDR7. Scope: GPU chip memory configuration. Not OEM dimensions or outputs.

16GB1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

VRAM type

GDDR73Maker product pagenvidia.com/en-us/geforce/graphics-cards/50-series/rtx-5090Read 30 September 2026

GDDR71Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

GPU board poweriConfigured total board power of the installed card. A chip-family reference rating is not proof of an OEM card limit.

Not available

Not available

GPU boost clockiPublished boost clock for the installed graphics card and mode. Do not use a measured transient clock or another board model's rating.

Not available

Not available

Graphics card length

Not available

Not available

Graphics card thicknessiCard thickness in PCIe bracket-slot units, such as 2.5. This is not the number of connectors or motherboard slots.

Not available

Not available

GPU power connector

Not available

Not available

Memory

7 of 11 differ

RAM

64GB2Reviewtomsguide.com/computing/gaming-desktops/alienware-area-51-reviewRead 30 September 2026

32GB1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

RAM type

DDR55Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

DDR51Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Configured RAM speediMemory transfer rate configured on delivery. A rated XMP or EXPO profile may be faster when it is disabled.

Not available

5,600MT/s1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Exact selected configuration is advertised DDR5-5600. Footnote states fitted modules are rated DDR5-6400 and can operate at 5600 or less. Stored value is the maker advertised operating rate, not an unproved kit model or observed BIOS measurement.

Rated kit speediRated memory-kit or profile speed. This can differ from the speed configured on delivery.

Not available

Not available

Memory kit

Not available

Not available

RAM upgradeiHow installed memory is physically attached. Purchase-time capacity choices do not mean memory can be upgraded later.

Slots5Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

Slots1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Memory slotsiPhysical replaceable memory connectors, with one row per occupancy state. Package-integrated memory is not a DIMM slot.

ADell Alienware Area-51 (2025)

Slot	Count	Occupied	Module size (GB)
DIMM	2	Yes	32

Source5Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

BLenovo Legion Tower 7i Gen 10

Slot	Count	Occupied	Module size (GB)
DIMM	2	Yes	16
DIMM	2	No	Not available

Source1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Four physical UDIMM/CUDIMM-capable connectors, with exactly two installed 16 GB UDIMMs. Remaining two connectors are unoccupied. Module supplier, latency and XMP profile are not stated.

RAM slots

2=CalculatedFrom Memory slots

4=CalculatedFrom Memory slots

Free RAM slots

0=CalculatedFrom Memory slots

2=CalculatedFrom Memory slots

Max RAM for this CPU and GPUiMaximum stated capacity without changing the CPU or GPU configuration represented by this product. For integrated memory this is a purchase-time limit. For slot-based RAM it is the maker's supported upgrade limit.

64GB5Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

192GB2Maker product pagelenovo.com/us/en/p/desktops/legion-desktops/legion-t-series-towers/legion-tower-7i-gen-10/90y6001jusRead 8 October 2026Exact maker SKU page states up to 192 GB and footnote 192 GB available via user upgraded memory. This is the maker-supported user-upgrade limit for the same CPU/GPU. PSREF 128 GB is explicitly based on tested current Lenovo memory offerings, a different scope. No particular 192 GB module kit or configured speed is guaranteed.

ECC memoryiSystem-level ECC memory support or configuration. DDR5 on-die ECC alone does not establish this field.

Not available

No3Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_T7_34IAS10/Legion_T7_34IAS10_Spec.PDFRead 8 October 2026Memory Protection explicitly Non-ECC. Intel processor ECC capability does not establish system ECC support.

Storage

4 of 7 differ

Storage

2TB=CalculatedFrom Installed drives

2TB=CalculatedFrom Installed drives

Installed drivesiInstalled drives, one row per physical drive. Capacity is in decimal GB. Use the generic SSD option when its protocol is not published. It does not establish an interface or socket. Do not represent alternative purchase capacities as installed drives.

ADell Alienware Area-51 (2025)

Capacity (GB)	Type
2,000	NVMe SSD

Source2Reviewtomsguide.com/computing/gaming-desktops/alienware-area-51-reviewRead 30 September 2026

BLenovo Legion Tower 7i Gen 10

Capacity (GB)	Type	PCIe generation
1,000	NVMe SSD	4
1,000	NVMe SSD	4

Source1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Exactly two physical 1 TB PCIe 4.0x4 NVMe SSDs, not a single 2 TB drive. Total capacity is derived as 2000 decimal GB. Drive supplier/model is unproved.

Storage slots and baysiPhysical SSD connectors and drive bays, counted once each. Multiple supported M.2 lengths or alternative bay uses do not create extra slots.

ADell Alienware Area-51 (2025)

Form factor	Interface	PCIe generation	PCIe lanes	Count	Occupied
M.2 2280	PCIe NVMe	5	4	1	Yes
M.2 2280	PCIe NVMe	4	4	2	No
2.5-inch bay	SATA	Not available	Not available	1	No
3.5-inch bay	SATA	Not available	Not available	1	No

Source8Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026Storage supports three M.2 2230/2280 SSD slots, boot Gen5 x4 plus two Gen4 x4. SATA maxima: two 2.5-inch drives or one 3.5-inch plus one 2.5-inch drive. Count two physical bays. One shared bay is represented once as 3.5-inch. One SSD is installed. Other sockets and bays are empty according to the reference storage list. Scope: exact configuration.

BLenovo Legion Tower 7i Gen 10

Form factor	Interface	Count	Occupied
M.2 2280	PCIe NVMe	2	Yes
M.2 2280	PCIe NVMe	2	No
3.5-inch bay	SATA	2	No

Source1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Four physical M.2 SSD connectors and two 3.5-inch bays are documented. Two SSDs are installed and no HDD is selected. Occupancy is aggregated because exact connector positions and individual slot generations were not proved. Supported PCIe 4.0 and 5.0 drives do not establish the generation of every connector.

M.2 slots

3=CalculatedFrom Storage slots and bays

4=CalculatedFrom Storage slots and bays

Free M.2 slots

2=CalculatedFrom Storage slots and bays

2=CalculatedFrom Storage slots and bays

Free drive bays

2=CalculatedFrom Storage slots and bays

2=CalculatedFrom Storage slots and bays

Fastest storage-slot PCIe generationiHighest documented PCIe generation of a storage slot. This does not identify the installed drive's generation.

5=CalculatedFrom Storage slots and bays

Not available

Power supply

3 of 7 differ

PSU rated outputiPower supply's rated output, or an external adapter's output rating. Maximum system consumption, peak PSU power and wall draw are separate.

1,500W9Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

850W1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Exact model export lists an 850 W supply with a maker 90-percent efficiency claim. That unscoped percentage is not an 80 PLUS or Cybenetics certification. Supplier, modularity, replacement form factor, ATX electrical revision and native GPU cable version remain unproved.

PSU form factoriReplacement PSU dimensions class. Electrical standards such as ATX12VO belong in psu_atx_version. A supply built into an all-in-one is proprietary unless the maker names a standard size.

ATX13Reviewgamersnexus.net/pre-built-pc/alienware-was-so-close-4650-area-51-pre-built-gaming-pc-reviewRead 30 September 2026Public teardown explains standard ATX mounting but electrically ATX12VO, and shows a GPU support bracket. The manual separately establishes the shipped external puck antenna. Scope: shared AAT2250 physical and electrical platform. Different 5080 / 4 TB test-unit measurements are excluded.

Not available

PSU efficiencyiWhen an 80 PLUS and a Cybenetics level are both published, the 80 PLUS level is stored and the Cybenetics level goes in the source note.

Not available

Not available

Modular cables

Not available

Not available

PSU model

Not available

Not available

ATX version

ATX12VO13Reviewgamersnexus.net/pre-built-pc/alienware-was-so-close-4650-area-51-pre-built-gaming-pc-reviewRead 30 September 2026

Not available

Native 12V-2x6 cableiThe supplied PSU has a native 12V-2x6 GPU cable. A generic 16-pin connector description alone does not establish its revision.

Not available

Not available

Ports

5 of 9 differ

User-facing I/O positioniLocation of the accessible front, top, side or bottom port panel.

Top11Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

Top1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

User-facing portsiAccessible front, top, side and bottom ports at the stated I/O position. Counts refer to physical connectors.

ADell Alienware Area-51 (2025)

Type	Version	Count	Max stated link rate (Gbps)	Power out (W)
USB-A	USB 3.2 Gen 1	2	5	Not available
USB-C	USB 3.2 Gen 2	2	10	15
3.5 mm audio	Headphone out	1	Not available	Not available
Mic in	Not available	1	Not available	Not available

Source11Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

BLenovo Legion Tower 7i Gen 10

Type	Version	Count	Max stated link rate (Gbps)
USB-C	USB 3.2 Gen 2	1	10
USB-A	USB 3.2 Gen 1	1	5
USB-A	USB 2.0	2	0.48
3.5 mm audio	Not available	1	Not available

Source1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Exact model export calls these Top Ports. USB-C 10 Gbps, one USB-A 5 Gbps, two USB-A 480 Mbps and one 3.5 mm headset connector. Counts are physical sockets.

Rear portsiPhysical rear connectors, including motherboard and discrete-GPU outputs. Source notes identify disabled onboard video ports and any incomplete GPU output evidence. A video input, such as HDMI in on an all-in-one, is Other. AC power input is a mains inlet, such as C14, for a built-in power supply. DC in is for an external adapter.

ADell Alienware Area-51 (2025)

Type	Version	Count	Max stated link rate (Gbps)	Thunderbolt or USB4	Power out (W)	DP Alt Mode	Connected to
USB-C	Thunderbolt 4	2	40	Thunderbolt 4	15	Yes	Motherboard
USB-C	USB 3.2 Gen 2	2	10	Not available	Not available	Not available	Motherboard
USB-A	USB 3.2 Gen 1	1	5	Not available	Not available	Not available	Motherboard
USB-A	USB 2.0	5	0.48	Not available	Not available	Not available	Motherboard
Ethernet (RJ45)	Not available	1	2.5	Not available	Not available	Not available	Motherboard
Optical S/PDIF	Not available	1	Not available	Not available	Not available	Not available	Motherboard
Line out	Not available	1	Not available	Not available	Not available	Not available	Motherboard
3.5 mm audio	Line in	1	Not available	Not available	Not available	Not available	Motherboard
Wi-Fi antenna	SMA	Not available	Not available	Not available	Not available	Not available	Motherboard
DisplayPort	Not available	3	Not available	Not available	Not available	Not available	Graphics card
HDMI	Not available	1	Not available	Not available	Not available	Not available	Graphics card

Source6Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 202617Reviewtomshardware.com/desktops/gaming-pcs/alienware-area-51-reviewRead 8 October 2026Intel Core Ultra 9 285K / OEM RTX 5090 / 64 GB / 2 TB review configuration explicitly has three DisplayPort and one HDMI connectors on its discrete graphics card. These rows complete the existing manual-sourced motherboard table. GPU connector revisions are not published. The review motherboard-port table has incomplete counts, so it does not replace the exact manual rows.

BLenovo Legion Tower 7i Gen 10

Type	Version	Count	Max stated link rate (Gbps)	Thunderbolt or USB4	Connected to
USB-C	Thunderbolt 4 / USB4	1	40	Thunderbolt 4	Motherboard
USB-A	USB 3.2 Gen 2	1	10	Not available	Motherboard
USB-A	USB 2.0	2	0.48	Not available	Motherboard
USB-A	USB 3.2 Gen 1	4	5	Not available	Motherboard
DisplayPort	1.4	1	Not available	Not available	Motherboard
Ethernet (RJ45)	Not available	1	2.5	Not available	Motherboard
Other	Not available	6	Not available	Not available	Motherboard
AC power input	Not available	1	Not available	Not available	Not available
DisplayPort	2.1b UHBR20	3	Not available	Not available	Graphics card
HDMI	2.1b FRL	1	Not available	Not available	Graphics card

Source1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Motherboard ports follow exact export. The six generic audio connectors use other because their exact connector type and role are not stated in the table. The PSU AC inlet is stored as AC power input. Source is omitted for it because the enum has no PSU option. Graphics-card outputs are from the exact RTX 5080 row of the family PSREF. DisplayPort 1.4 is physically present with the integrated-graphics 265K. Thunderbolt display routing and maximum USB-C charging power are not guaranteed from the family footnote or PD 3.1 alone.3Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_T7_34IAS10/Legion_T7_34IAS10_Spec.PDFRead 8 October 2026RTX 5080 row on printed page 3 explicitly gives three DisplayPort 2.1b UHBR20 and one HDMI 2.1b FRL connector. Older RTX 40-series connector revisions are not inherited.

User-facing USB portsiPhysical USB-A and USB-C connectors on the accessible front, top, side or bottom panel.

4=CalculatedFrom User-facing ports

4=CalculatedFrom User-facing ports

User-facing USB-C portsiPhysical USB-C connectors on the accessible front, top, side or bottom panel, including Thunderbolt and USB4 sockets.

2=CalculatedFrom User-facing ports

1=CalculatedFrom User-facing ports

Rear USB ports

10=CalculatedFrom Rear ports

8=CalculatedFrom Rear ports

ThunderboltiThunderbolt documented in the rear-port table. Front-panel-only Thunderbolt is not covered by this derived field.

Yes=CalculatedFrom Rear ports

Yes=CalculatedFrom Rear ports

Ethernet speed

2.5Gbps=CalculatedFrom Rear ports

2.5Gbps=CalculatedFrom Rear ports

Discrete GPU output portsiCounts rear connectors explicitly attributed to the discrete graphics card. A partial rear-port table cannot establish the card's complete output count.

4=CalculatedFrom Rear ports

Not available

Wireless

6 of 6 differ

Wi-Fi

Wi-Fi 77Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026Wireless table: Killer BE1750x, Wi-Fi 7, 2.4, 5 and 6 GHz, Bluetooth 5.4. Ethernet Killer E3100G 2500 Mbps. The external puck antenna installation section states the computer ships with an external puck antenna. Scope: shared Intel platform.

Wi-Fi 6E1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Exact reference uses Wi-Fi 6E and Bluetooth 5.3, not optional Wi-Fi 7 / Bluetooth 5.4. Installed module supplier and explicit regional band list remain unknown.

Wi-Fi bandsiBands explicitly supported by the installed radio and product region. Do not infer 6GHz use solely from a Wi-Fi version.

2.4 GHz, 5 GHz, 6 GHz7Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

Not available

Wi-Fi module

Intel Killer BE1750x7Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

Not available

Wi-Fi antenna

External, included7Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

Not available

Bluetooth

5.47Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

5.31Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Ethernet controller

Killer E3100G7Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

Realtek RTL8125BG1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Camera and audio

None of 5 known

WebcamiPublished built-in camera description and resolution. Keep sensor megapixels, video resolution and named camera features distinct in the source note. External bundled cameras do not qualify.

Not available

Not available

Built-in speaker driversiPhysical built-in acoustic drivers, including separate tweeters and woofers. Audio channels, system beepers and external bundled speakers do not count. Do not infer driver count from speaker assemblies.

Not available

Not available

Total speaker poweriManufacturer stated combined output of the built-in speakers. Preserve power basis in source notes. PSU ratings and external speaker output do not qualify.

Not available

Not available

MicrophonesiPhysical built-in microphones. Beamforming channels and microphone modes do not count.

Not available

Not available

Audio featuresiPublished built-in audio capabilities and their required software or accessories. Do not infer hardware from an audio brand name.

Not available

Not available

Lighting

2 of 4 differ

RGB lighting

Yes14Maker product pagedell.com/en-us/shop/desktop-computers/spd/alienwarearea51aat2250Read 30 September 2026

Yes1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Lit parts

Case fans, Front panel, CPU cooler14Maker product pagedell.com/en-us/shop/desktop-computers/spd/alienwarearea51aat2250Read 30 September 2026

Case fans, CPU cooler1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Case fans and radiator module are explicitly ARGB in the selected configuration. Internal ambient lighting is published but does not identify a specific strip or motherboard zone. No connector voltage, RGB RAM or graphics-card illumination is inferred.

Lighting standardiNamed physical RGB control or connector standard. ARGB lighting alone does not prove a 5V header or a standard connector.

Not available

Not available

Lighting software

Alienware Command Center (AlienFX)14Maker product pagedell.com/en-us/shop/desktop-computers/spd/alienwarearea51aat2250Read 30 September 2026

Lenovo Legion Space6Reviewwindowscentral.com/hardware/lenovo/lenovo-legion-tower-7i-gen-10-reviewRead 8 October 2026Review explicitly describes Legion Space RGB-lighting customization. The current maker announcement also introduces Legion Space across its 2025 Legion devices.

Software

1 of 3 differ

Operating system

Windows 11 Home14Maker product pagedell.com/en-us/shop/desktop-computers/spd/alienwarearea51aat2250Read 30 September 2026

Windows 11 Home1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

OS family

Windows14Maker product pagedell.com/en-us/shop/desktop-computers/spd/alienwarearea51aat2250Read 30 September 2026

Windows1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Control software

Alienware Command Center14Maker product pagedell.com/en-us/shop/desktop-computers/spd/alienwarearea51aat2250Read 30 September 2026

Lenovo Legion Space6Reviewwindowscentral.com/hardware/lenovo/lenovo-legion-tower-7i-gen-10-reviewRead 8 October 2026Legion Space provides the published performance-profile and RGB controls. Old guide Vantage maintenance support is separate.

Upgradeability

1 of 4 differ

Proprietary partsiParts or interfaces the maker or teardown identifies as requiring nonstandard replacements. Do not infer from a brand label alone.

Not available

Not available

Max graphics card length

450mm10Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026Maximum graphics card dimension table: 450 mm length without end card holder, 360 mm with holder. Scope: case clearance, not actual card length.

Not available

Max CPU cooler height

Not available

Not available

Warranty kept after upgradeiWhether the maker keeps the warranty after a user upgrade under the stated terms and market. Damage exclusions alone do not mean all warranty is void.

Not available

Not available

Measured performance

None of 8 known

Cinebench 2024 single-coreiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Cinebench 2024 multi-coreiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Geekbench single-coreiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Geekbench multi-coreiMeasured by a reviewer, not claimed by the maker

Not available

Not available

3DMark Time Spy graphicsiMeasured by a reviewer, not claimed by the maker

Not available

Not available

3DMark Steel NomadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

SSD sequential read (measured)iReviewer's sequential read test. A file-copy rate or maker's SSD rating is not a sequential read measurement. Test method belongs in the source note.

Not available

Not available

Game frame ratesiReviewer measurements for this CPU, GPU, memory, storage and cooling configuration. Resolution, preset, ray tracing, upscaling and frame generation conditions belong in rows or source notes.

Not available

Not available

Measured noise and temperature

2 of 6 differ

Fan noise per loadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Highest measured fan noiseiHighest measured row in fan_noise_measured, not a theoretical maximum. Compare only at the same distance and test conditions.

Not available

Not available

Measured fan noise at idleiHighest documented idle row in fan_noise_measured. Distance and ambient noise floor belong in the source note.

Not available

Not available

CPU temperature in stress testiCPU temperature measured during the named sustained load. Source notes distinguish gaming loops from synthetic CPU or combined stress tests.

87°C18Reviewhothardware.com/reviews/alienware-area-51-2025-reviewRead 8 October 2026Exact review configuration is Core Ultra 9 285K / RTX 5090 / 64 GB dual-channel DDR5-6400 / 2 TB PCIe 4 SSD / 1500 W / 360 mm AIO. HWMonitor reports CPU peak 87 degrees C after 10 minutes of Cinebench 2024 Throttling test combined with the Cyberpunk 2077 benchmark. Lab ambient is stated approximately 20 degrees C. CPU sensor identity and precise game settings are not stated. Page 2 describes Command Center automatically selecting Performance for recognized games, but the actual global fan/power setting for this combined run is not separately documented. This is a combined CPU/GPU load peak, not a gaming-only average. No idle range, rounded noise level, approximate wall power or unspecified synthetic benchmark score is stored. The same review page 2 identifies Windows 11 Pro 24H2, fully updated through Windows Update and Alienware tools, latest BIOS and latest NVIDIA Game Ready driver at test time. Actual BIOS/driver version numbers are not stated. Baseline Windows 11 Home is a separate maker-default OS variant, not the tested OS.

Not available

CPU clock in stress testiSustained all-core CPU clock under the stated test. A P-core-only average is not a whole-CPU all-core clock.

Not available

Not available

GPU temperature while gamingiMeasured by a reviewer, not claimed by the maker

63.61°C17Reviewtomshardware.com/desktops/gaming-pcs/alienware-area-51-reviewRead 8 October 2026Intel Core Ultra 9 285K / RTX 5090 / 64 GB / 2 TB PC811 / 1500 W / 360 mm AIO review configuration only. GPU temperature reported as 63.61 degrees C during 15 loops of the Metro Exodus benchmark, about half an hour. The review does not state the temperature sensor, monitoring tool, averaging basis, ambient temperature, game resolution or preset, BIOS/driver versions, or actual power/fan profile. This is a sustained gaming-loop result, not the later Ryzen 9950X3D temperature and not a combined synthetic CPU/GPU stress result. No maker-default mode is inferred. The review table states Windows 11 Pro. The baseline Windows 11 Home is the separate maker-default variant, not this temperature test OS.

Not available

Measured power

None of 6 known

Power draw idleiMeasured system power at the wall at idle. Certification or maker claims are not reviewer measurements.

Not available

Not available

Power draw gamingiMeasured system power at the wall during the stated game and settings.

Not available

Not available

Power draw maxiMeasured power at the wall during combined CPU and GPU stress. A PSU rating or game-only load is not this value.

Not available

Not available

Power draw sleep or offiMeasured power at the wall with the stated sleep or off mode. These modes must be identified in the source note.

Not available

Not available

Sustained CPU power (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

GPU power while gaming (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Certifications

1 of 5 differ

ENERGY STARiExplicit certification status for the model or defined configuration scope. Absence from a search result is not proof of false.

Not available

Not available

EPEATiPublished registration level. Missing registration evidence is not proof of none.

Not available

Not available

Copilot+ PC

Not available

Not available

Typical annual energy consumption (TEC)iStandardized TEC from the named ENERGY STAR or EU product-information record. It is not a prediction of an individual user's annual energy use.

Not available

Not available

Other certifications

Not available

ErP Lot 3, RoHS compliant1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Exact model export publishes ErP Lot 3 and RoHS compliance. Generic EPEAT, TCO and ENERGY STAR logos on the shop footer do not prove a registration for this configuration.

In the box

2 of 2 differ

In the boxiItems supplied with this exact configuration. Optional accessories and configurator add-ons are not guaranteed included.

External puck antenna7Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026

USB Calliope Keyboard, Black, English, USB Calliope Mouse, Black1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Only exact configured keyboard and mouse are listed. This is a partial confirmed inventory, not a claim that these are the only supplied items. No optional gaming mouse, monitor, headset or subscription is included.

Included extrasiExtras confirmed supplied with the exact configuration. Optional bundles are excluded.

Wi-Fi antennas, GPU support bracket13Reviewgamersnexus.net/pre-built-pc/alienware-was-so-close-4650-area-51-pre-built-gaming-pc-reviewRead 30 September 2026

Keyboard, Mouse1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Warranty

1 of 2 differ

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

1year17Reviewtomshardware.com/desktops/gaming-pcs/alienware-area-51-reviewRead 8 October 2026US Intel 285K / RTX 5090 / 64 GB / 2 TB / 1500 W / 360 mm AIO reference configuration. The Software and Warranty section states one year of Alienware Care with on-location repair in one to two business days. Paid extensions and accidental-damage add-ons are excluded. This is the reviewed US offer, not a worldwide warranty claim.

1year1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026Exact US model export: one-year mail-in base warranty, no included upgrade. Optional onsite Premium Care and extensions are excluded.

Warranty service

On-site17Reviewtomshardware.com/desktops/gaming-pcs/alienware-area-51-reviewRead 8 October 2026On-location repair under the reviewed US one-year Alienware Care offer. Same exact reference configuration and market as warranty_years.

Mail-in1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Links

Not compared

Product page

www.dell.com/en-us/shop/desktop-computers/spd/alienwarearea51aat225014Maker product pagedell.com/en-us/shop/desktop-computers/spd/alienwarearea51aat2250Read 30 September 2026

www.lenovo.com/us/en/p/desktops/legion-desktops/legion-t-series-towers/legion-tower-7i-gen-10/90y6001jus1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Spec sheet

Not available

psref.lenovo.com/api/model/pdfexport/singleModel1Maker spec sheet (PDF)psref.lenovo.com/api/model/pdfexport/singleModelRead 8 October 2026

Manual

dl.dell.com/content/manual5676097-alienware-area-51-aat2250-owner-s-manual.pdf11Owner's manualmanualslib.com/manual/3671406/Alienware-Area-51-Aat2250.htmlRead 30 September 2026Manual back and top views and ports table: top 2 USB Type-A Gen 1, 2 USB Type-C Gen 2 PowerShare 15 W, headphone out, mic in. Manual title: Alienware Area-51 AAT2250 Owner Manual, Jan 2025, Rev A01. The official PDF was inaccessible. The public mirror was read. Scope: exact configuration.

objects.icecat.biz/objects/mmo_132394436_1750168882_3384_2893442.pdf8Owner's manualobjects.icecat.biz/objects/mmo_132394436_1750168882_3384_2893442.pdfRead 8 October 2026Lenovo User Guide, Second Edition October 2024, 44 pages. Applicability names Legion T7 34IAS10 and machine type 90Y6. Maker support lists a newer guide, but its direct link could not be recovered. This accessible maker-authored document is hosted by Icecat.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Both are also in the API. Back to all desktop PCs.