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Dell Tower ECT1250

DellMainstream desktop PC

Tower ECT1250

Released March 2025.5Certification listdata.energystar.gov/resource/rxdj-2c88.jsonRead 14 October 2026ENERGY STAR Certified Computers V9.0 record for ECT1250 gives date available on market 2025-03-20 (markets United States, Japan, Canada, Taiwan and Switzerland) and date certified 2025-04-24. The record covers a maximum-style configuration, so it is not used for TEC or other values. Last checked 14 October 2026.

Form factor
Tower (size tier not specified)
Processor
Intel Core Ultra 7 265
GPU
Intel Graphics
RAM
16GB

69 of 160 fields known.

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At a glance

  • User-facing USB ports

    4

    Higher than 83% of other desktop PCs.

Ports

  • 2 USB-A USB 2.0User-facing ports
  • USB-A USB 3.2 Gen 1User-facing ports
  • USB-C USB 3.2 Gen 1
  • 3.5 mm audio Global headset jack
  • 2 USB-A USB 2.0Rear ports
  • 2 USB-A USB 3.2 Gen 1Rear ports
  • Ethernet (RJ45)
  • HDMI 2.1 (TMDS)
  • DisplayPort 1.4

All specs

SourceCalculated

General

Series
Not available
Model numbers
ECT1250, DECT1250-7173BLK-PUS2Retailer pageamazon.com/dp/B0F2TL5JT9Read 14 October 2026Amazon US item model number DECT1250-7173BLK-PUS. Product videos on the listing are credited to Dell Marketing USA, LP. Its UPC 884116490173 is one of the eight UPCs in the ENERGY STAR record for ECT1250, so it is a Dell SKU of this model.
GTIN / EAN
8841164901732Retailer pageamazon.com/dp/B0F2TL5JT9Read 14 October 2026UPC 884116490173 from the item details. The same UPC is in the ENERGY STAR record.
Announced
Not available
Status
Available2Retailer pageamazon.com/dp/B0F2TL5JT9Read 14 October 2026Listing is live with offers for the Dell US configuration.
Predecessor
Not available
Successor
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Markets
US2Retailer pageamazon.com/dp/B0F2TL5JT9Read 14 October 2026US Amazon listing for the Dell US configuration. Other markets sell other configurations.
Colours
Black1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Chassis row lists Black only.
Segment
Mainstream1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Maker sells Dell Tower under the Dell brand for personal and small business use. Stored as mainstream. No gaming or workstation claim.
Form factor
Tower (size tier not specified)1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Chassis row says Desktop (14.6L). The maker name is Dell Tower. PC Watch calls it a mini tower. Stored as generic tower because the maker names no size tier.

Case

Front and side, drawn to scale.

Case dimensions
Width154Height324.3Depth293mm(6.1 × 12.8 × 11.5 in)1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Height 324.3 mm (12.76 in), width 154 mm (6.06 in), depth 293 mm (11.53 in). PC Watch gives the same 154 x 293 x 324.3 mm.6Press articlepc.watch.impress.co.jp/docs/news/1670261.htmlRead 14 October 2026154 x 293 x 324.3 mm, the same as the spec sheet.
Case volume
14.6L1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Chassis row, Desktop (14.6L).
Weight
Not available
Case model
Not available
Case materials
Steel, Plastic1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Sustainability panel says designed with 50% recycled steel and up to 43% recycled plastic. Stored as steel and plastic. No glass or mesh panels are stated.
Side panel
Not available
Front panel
Not available
Tool-less side panel
Yes1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Room to grow panel: tool-less entry and an easily removable panel. Dell adds no condition about a shipping or security screw.
Dust filters
Not available
VESA mount
Not available

Display

We could not find any of these 6 fields. Show them
Screen size
Not available
Native resolution
Not available
Panel type
Not available
Max refresh rate
Not available
Touchscreen
Not available
Brightness (SDR, claimed)
Not available

Motherboard

Motherboard
Not available
Chipset
Intel Q8701Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Chipset row: Intel Q870 for Intel Core Ultra and Intel Q670 for Intel Core. The Ultra 7 265 uses Q870.
Motherboard form factor
Not available
CPU socket
LGA18514Maker product pageintel.com/content/www/us/en/products/sku/241068/intel-core-ultra-7-processor-265-30m-cache-up-to-5-30-ghz/specifications.htmlRead 14 October 2026
Expansion slots
Mechanical slot typeCountOccupied
PCIe x161Not available
PCIe x12Not available
M.2 E-key1Yes
Source1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 20263 full-height PCIe expansion slots (x1, x1, x16). Mechanical sizes only. Electrical lanes and generation are not stated by Dell. The WLAN M.2 row comes from Hardware Corner and PC Watch, and it is occupied because this configuration has Wi-Fi 6.7Spec databasehardware-corner.net/desktop-models/Dell-Tower-ECT1250Read 14 October 2026Lists PCIe x16 plus two PCIe x1 slots and an M.2 2230 slot for Wi-Fi and Bluetooth. The page mixes Series 1 and Series 2 wording, so only the slot layout is used and it matches the spec sheet.
PCIe x16 slots
1
Free expansion slots
Not available
Fan headers
Not available
Overclocking in BIOS
Not available

Processor

Processor
Intel Core Ultra 7 2652Retailer pageamazon.com/dp/B0F2TL5JT9Read 14 October 2026Title: Intel Core Ultra 7-265, 20 cores, 2.4 GHz, 30 MB cache.
Processor brand
Intel4Maker product pageintel.com/content/www/us/en/products/sku/241068/intel-core-ultra-7-processor-265-30m-cache-up-to-5-30-ghz/specifications.htmlRead 14 October 2026
Processor codename
Arrow Lake4Maker product pageintel.com/content/www/us/en/products/sku/241068/intel-core-ultra-7-processor-265-30m-cache-up-to-5-30-ghz/specifications.htmlRead 14 October 2026Products formerly Arrow Lake.
Core configuration
Core typeCountBase clock (GHz)Max core turbo clock (GHz)
Performance82.45.2
Efficiency121.84.6
Source4Maker product pageintel.com/content/www/us/en/products/sku/241068/intel-core-ultra-7-processor-265-30m-cache-up-to-5-30-ghz/specifications.htmlRead 14 October 20268 performance cores at 2.4 GHz base and 5.2 GHz max turbo, 12 efficient cores at 1.8 GHz base and 4.6 GHz max turbo. Intel also lists 5.3 GHz max turbo for the processor. That favored-core rating is not stored here. Core names are not on the page.
CPU cores
20
Performance cores
8
Efficiency cores
12
Threads
204Maker product pageintel.com/content/www/us/en/products/sku/241068/intel-core-ultra-7-processor-265-30m-cache-up-to-5-30-ghz/specifications.htmlRead 14 October 202620 threads. No Hyper-Threading.
Max core turbo clock
5.2GHz
L3 cache
30MB4Maker product pageintel.com/content/www/us/en/products/sku/241068/intel-core-ultra-7-processor-265-30m-cache-up-to-5-30-ghz/specifications.htmlRead 14 October 202630 MB Intel Smart Cache, stored as L3.
CPU core process node
3nm4Maker product pageintel.com/content/www/us/en/products/sku/241068/intel-core-ultra-7-processor-265-30m-cache-up-to-5-30-ghz/specifications.htmlRead 14 October 2026Lithography TSMC N3B, stored as 3. Package tiles use other nodes.
CPU base power (chip rating)
65W4Maker product pageintel.com/content/www/us/en/products/sku/241068/intel-core-ultra-7-processor-265-30m-cache-up-to-5-30-ghz/specifications.htmlRead 14 October 2026Processor base power 65 W. Maximum turbo power is 182 W. Dell's PL2 setting is not published.
Peak CPU power (configured)
Not available
Unlocked multiplier
Not available
NPU performance
13TOPS4Maker product pageintel.com/content/www/us/en/products/sku/241068/intel-core-ultra-7-processor-265-30m-cache-up-to-5-30-ghz/specifications.htmlRead 14 October 2026NPU peak 13 TOPS, Int8.
Integrated GPU
Intel Graphics3Retailer pagespeedcom.co.th/en/collections/commercial-computers/products/dell-tower-ect1250-oect1250u701Read 14 October 2026Dell Tower ECT1250 (OECT1250U701) lists Intel Graphics with 4 Xe cores. The spec sheet lists Intel Graphics for Core Ultra 5 and 7.

Cooling

We could not find any of these 6 fields. Show them
CPU cooler
Not available
CPU cooler model
Not available
Radiator size
Not available
Radiator position
Not available
Case fans
Not available
Number of case fans
Not available

Graphics

Discrete GPU
No2Retailer pageamazon.com/dp/B0F2TL5JT9Read 14 October 2026Title and details: Intel UHD Graphics, integrated. The title says UHD, but the spec sheet names plain Intel Graphics for Core Ultra processors.
GPU
Not available
GPU brand
Not available
Graphics card
Not available
VRAM
Not available
VRAM type
Not available
GPU board power
Not available
GPU boost clock
Not available
Graphics card length
Not available
Graphics card thickness
Not available
GPU power connector
Not available

Memory

RAM
16GB2Retailer pageamazon.com/dp/B0F2TL5JT9Read 14 October 2026Title and details: 16 GB DDR5 at 5600 MHz, 1 memory slot available.
RAM type
DDR51Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Memory options for Core Ultra 5 or Ultra 7: DDR5 UDIMM.
Configured RAM speed
5,600MT/s1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Computers with an Intel Core i7, Core Ultra 5 or Ultra 7 processor list DDR5 at 5600 MT/s. Core i3 and i5 versions use 4800 MT/s. Stored as the configured speed.
Rated kit speed
Not available
Memory kit
Not available
RAM upgrade
Slots1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Expansion row: two DIMM slots, supports up to 64GB DDR5. UDIMM modules, so not soldered.
Memory slots
SlotCountOccupiedModule size (GB)
DIMM1Yes16
DIMM1NoNot available
Source1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Two DIMM slots. The 16 GB option is one 16 GB UDIMM, single-channel, so one slot is free.
RAM slots
2
Free RAM slots
1
Max RAM for this CPU and GPU
64GB1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Expansion row: two DIMM slots, supports up to 64GB DDR5.
ECC memory
No3Retailer pagespeedcom.co.th/en/collections/commercial-computers/products/dell-tower-ect1250-oect1250u701Read 14 October 2026Listing says non-ECC memory for the Ultra 7 265, 16 GB DDR5-5600 SKU.

Storage

Storage
1TB
Installed drives
Capacity (GB)TypePCIe generation
1,000NVMe SSD4
Source1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026SSD options are PCIe NVMe M.2 2230. Footnote: Gen4 for Core Ultra 5 or Ultra 7 processors, Gen3 for Core i3, i5 and i7. The 1 TB option is QLC, Class 25. Drive maker and model are not stated. Stored as 1000 decimal GB.
Storage slots and bays
Form factorInterfacePCIe generationCountOccupied
M.2 2230PCIe NVMe41Yes
3.5-inch baySATANot available1No
Source1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Expansion row: 1x M.2 SSD and 1x 3.5-inch HDD bay. Bays row: up to 2 bays, one HDD and one SSD. SSD options are M.2 2230. The 1 TB SSD fills the M.2 slot, and the 3.5-inch bay is free because the reference configuration has no HDD. PC Watch also reports two M.2 slots, and the second is the WLAN slot.
M.2 slots
1
Free M.2 slots
0
Free drive bays
1
Fastest storage-slot PCIe generation
4

Power supply

PSU rated output
180W2Retailer pageamazon.com/dp/B0F2TL5JT9Read 14 October 2026Item details list Power Consumption 180 watts. The Thai Dell reseller listing for the Ultra 7 265 SKU also says 180W. Both match the 180W Bronze option in the spec sheet. Stored as the PSU output rating.
PSU form factor
Not available
PSU efficiency
80 PLUS Bronze1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Power supply options: 180W Bronze internal and 360W Platinum internal. The 180W unit is the one fitted to the reference configuration. Dell writes Bronze and does not name the 80 PLUS program.
Modular cables
Not available
PSU model
Not available
ATX version
Not available
Native 12V-2x6 cable
Not available

Ports

User-facing I/O position
Front1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Ports row: Front.
User-facing ports
TypeVersionCountMax stated link rate (Gbps)
USB-AUSB 2.020.48
USB-AUSB 3.2 Gen 115
USB-CUSB 3.2 Gen 115
3.5 mm audioGlobal headset jack1Not available
Source1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Front: (2) USB 2.0, (1) USB 3.2 Gen 1 Type-C, (1) USB 3.2 Gen 1, (1) Global headset jack. USB 3.2 Gen 1 is 5 Gbps. The product photo also shows an SD card slot. Dell lists the SD 3.0 reader as optional, so it is not stored.
Rear ports
TypeVersionCountMax stated link rate (Gbps)Connected to
USB-AUSB 2.020.48Motherboard
USB-AUSB 3.2 Gen 125Motherboard
Ethernet (RJ45)Not available11Motherboard
HDMI2.1 (TMDS)1Not availableMotherboard
DisplayPort1.41Not availableMotherboard
Source1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Rear: (2) USB 2.0 with SmartPower On, (2) USB 3.2 Gen 1, (1) RJ45 1 Gbps, (1) HDMI 2.1 (TMDS), (1) DisplayPort 1.4. The serial port is optional and not stored. Video outputs are on the board because this configuration has no discrete graphics.
User-facing USB ports
4
User-facing USB-C ports
1
Rear USB ports
4
Thunderbolt
Not available
Ethernet speed
1Gbps
Discrete GPU output ports
0

Wireless

Wi-Fi
Wi-Fi 61Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Connectivity row: MediaTek Wi-Fi 6 MT7920 with Bluetooth 5.4, or Intel Wi-Fi 6E AX211 with Bluetooth 5.3. The retailer listing for the reference configuration names the MediaTek card.
Wi-Fi bands
Not available
Wi-Fi module
MediaTek Wi-Fi 6 MT79201Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026MediaTek Wi-Fi 6 MT7920, 2x2, 802.11ax, MU-MIMO, named by the maker spec sheet and the Thai Dell reseller listing for the exact Ultra 7 265, 16 GB, 1 TB SKU.
Wi-Fi antenna
Not available
Bluetooth
5.41Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026MediaTek MT7920 option lists Bluetooth 5.4. Intel AX211 option lists 5.3.
Ethernet controller
Not available

Camera and audio

We could not find any of these 5 fields. Show them
Webcam
Not available
Built-in speaker drivers
Not available
Total speaker power
Not available
Microphones
Not available
Audio features
Not available

Lighting

We could not find any of these 4 fields. Show them
RGB lighting
Not available
Lit parts
Not available
Lighting standard
Not available
Lighting software
Not available

Software

Operating system
Windows 11 Pro2Retailer pageamazon.com/dp/B0F2TL5JT9Read 14 October 2026Listing title and style name give Windows 11 Pro. Micro Center and Thai listings of other SKUs use Windows 11 Home, so the edition differs by SKU.
OS family
Windows2Retailer pageamazon.com/dp/B0F2TL5JT9Read 14 October 2026Windows 11 Pro.
Control software
Not available

Upgradeability

We could not find any of these 4 fields. Show them
Proprietary parts
Not available
Max graphics card length
Not available
Max CPU cooler height
Not available
Warranty kept after upgrade
Not available

Measured performance

We could not find any of these 8 fields. Show them
Cinebench 2024 single-core
Not available
Cinebench 2024 multi-core
Not available
Geekbench single-core
Not available
Geekbench multi-core
Not available
3DMark Time Spy graphics
Not available
3DMark Steel Nomad
Not available
SSD sequential read (measured)
Not available
Game frame rates
Not available

Measured noise and temperature

We could not find any of these 6 fields. Show them
Fan noise per load
Not available
Highest measured fan noise
Not available
Measured fan noise at idle
Not available
CPU temperature in stress test
Not available
CPU clock in stress test
Not available
GPU temperature while gaming
Not available

Measured power

We could not find any of these 6 fields. Show them
Power draw idle
Not available
Power draw gaming
Not available
Power draw max
Not available
Power draw sleep or off
Not available
Sustained CPU power (measured)
Not available
GPU power while gaming (measured)
Not available

Certifications

ENERGY STAR
Yes1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Spec sheet: Dell Tower is certified ENERGY STAR. The ENERGY STAR certified computers list has model number ECT1250.
EPEAT
Silver1Maker spec sheet (PDF)delltechnologies.com/asset/en-th/products/desktops-and-all-in-ones/technical-support/dell-tower-ect1250-spec-sheet.pdfRead 14 October 2026Spec sheet: registered EPEAT Silver with Climate+. Footnote says EPEAT registration varies by country. Not checked on epeat.net, which could not be searched.
Copilot+ PC
Not available
Typical annual energy consumption (TEC)
Not available
Other certifications
Not available

In the box

In the box
Dell Tower ECT1250 Desktop, Dell Wired Keyboard KB216, US English, Black, Dell Wired Mouse MS116, Black, Documentation, Power cord2Retailer pageamazon.com/dp/B0F2TL5JT9Read 14 October 2026What's in the box section: Dell Tower ECT1250 Desktop, Dell Wired Keyboard KB216 US English Black, Dell Wired Mouse MS116 Black, Power Cord, Documentation.
Included extras
Keyboard, Mouse2Retailer pageamazon.com/dp/B0F2TL5JT9Read 14 October 2026Keyboard and mouse from the in-the-box list.

Warranty

Manufacturer warranty (source market)
1year2Retailer pageamazon.com/dp/B0F2TL5JT9Read 14 October 2026Warranty description on the US listing: 1 Year Basic Onsite Service after remote diagnosis with Hardware-Only Support. US market only.
Warranty service
On-site2Retailer pageamazon.com/dp/B0F2TL5JT9Read 14 October 2026Onsite after remote diagnosis, from the same warranty description.

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Sources

We read 7 sources for this desktop PC. The numbers match the markers in the sheet.

  1. Read 14 October 2026Backs 27 fields
  2. Read 14 October 2026Backs 14 fields
  3. Read 14 October 2026Backs 2 fields
  4. Read 14 October 2026Backs 9 fields
  5. Read 14 October 2026Backs 1 field
  6. Read 14 October 2026Backs 2 fields
  7. Read 14 October 2026Backs 1 field

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