PC parts / SSDs
LexarSSD
NM790
Released May 2023.3Press releaselexar.com/global/news/Lexar-Announces-Neq-NM790-SSDRead 14 October 2026Announced on 2023-05-29 and stated as available now. Lexar's Aug 2023 gaming release gave the US MSRPs and also said available now Last checked 14 October 2026.
- Interface
- PCIe NVMe
- Form factor
- M.2 2280
- Capacity
- 512 GB, 1 TB, 2 TB, 4 TB, 8 TB
- Read speed
- 7,400MB/s
30 of 63 fields known.
At a glance
Endurance
Higher than 83% of other SSDs.
General
- Model numbers
- LNM790X512G-RNNNG, LNM790X512G-RNNNU, LNM790X001T-RNNNG, LNM790X001T-RNNNU, LNM790X002T-RNNNG, LNM790X002T-RNNNU, LNM790X004T-RNNNG, LNM790X004T-RNNNU, LNM790X008T-RNNNG, LNM790X001T-RN9NG, LNM790X001T-RN9NU, LNM790X002T-RN9NG, LNM790X002T-RN9NU, LNM790X004T-RN9NG, LNM790X004T-RN9NU1Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026Part number table, North America: LNM790X512G-RNNNU, LNM790X001T-RNNNU, LNM790X002T-RNNNU and LNM790X004T-RNNNU. Global: LNM790X512G-RNNNG, LNM790X001T-RNNNG, LNM790X002T-RNNNG, LNM790X004T-RNNNG and LNM790X008T-RNNNG. The 8TB model is global only2Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-lexar-nm790-heatsink-4to_9996.pdfRead 14 October 2026Lexar product sheet for the NM790 with Heatsink, dated 07/2023, mirrored by a French reseller. Retail SKU table: Global LNM790X001T-RN9NG, LNM790X002T-RN9NG, LNM790X004T-RN9NG and North America LNM790X001T-RN9NU, LNM790X002T-RN9NU, LNM790X004T-RN9NU
- GTIN / EAN
- 843367130283, 843367130290, 843367131358, 843367131242, 843367131488, 843367131259, 843367131495, 843367131518, 8433671315012Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-lexar-nm790-heatsink-4to_9996.pdfRead 14 October 2026Single UPC column. Global RN9NG: 843367131242 (1TB), 843367131259 (2TB), 843367131518 (4TB). North America RN9NU: 843367131488, 843367131495, 843367131501. The inner carton UPCs are not stored11Spec databasebuildcores.com/products/Storage/s5inrtet5/Lexar-NM790-2TB-M.2-2280-SSD-PCIe-4.0-X4-NVMeRead 14 October 20262TB listing: UPC 843367130290 and 843367131358 with part numbers LNM790X002T-RNNNG and LNM790X002T-RNNNU, in that order. The mapping of the second UPC to RNNNU follows the listing order12Retailer pageshop.cisilion.com/lexar-nm790-1-tb-m-2-pci-express-4-0-nvme-slc-lnm790x001t-rnnng.htmlRead 14 October 2026Listing for LNM790X001T-RNNNG shows EAN 0843367130283
- Status
- Available1Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026Listed on the Lexar Global page with all five capacities3Press releaselexar.com/global/news/Lexar-Announces-Neq-NM790-SSDRead 14 October 2026Available now
- Predecessor
- Not available
- Successor
- Not available
- Launch price (EU)
- Not available
- Markets
- Not available
- Colours
- Not available
- Form factor
- M.2 22801Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026Form Factor row reads M.2 2280
- Capacity
- 512 GB, 1 TB, 2 TB, 4 TB, 8 TB1Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026Capacities row reads 512GB/1TB/2TB/4TB/8TB. Lexar's footnote on its product sheet reads 1GB equals 1 billion bytes2Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-lexar-nm790-heatsink-4to_9996.pdfRead 14 October 2026Heatsink version in 1TB, 2TB and 4TB. Footnote reads 1GB equals 1 billion bytes
Interface
- Interface
- PCIe NVMe1Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026Interface row reads PCIe Gen4x4. The page names no NVMe version2Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-lexar-nm790-heatsink-4to_9996.pdfRead 14 October 2026Interface row reads PCIe Gen 4x4
- PCIe generation
- 41Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026PCIe Gen4x4
- NVMe version
- Not available
- Detachable cable
- Not available
Hardware
- Controller
- Maxio MAP1602A6Reviewkitguru.net/components/ssd-drives/simon-crisp/lexar-nm790-4tb-ssd-review/all/1Read 14 October 2026Names a Maxiotech MAP1602A, 4-channel, DRAM-less, built on a 12nm TSMC process. Lexar does not name the controller. Stored as Maxio MAP1602A, as on the NM990 entry7Reviewtomshardware.com/reviews/lexar-nm790-ssd-review/2Read 14 October 2026Names a Maxio MAP1602, DRAM-less. The review says Lexar would not officially confirm the flash, and calls the controller a Maxio MAP1602 seen on other drives. KitGuru names the MAP1602A and LanOC reads MAP1602A-P20 etched on its 2TB sample9Reviewlanoc.org/review/storage/lexar-nm790-2tbRead 14 October 20262TB sample: Maxio MAP1602 with MAP1602A-P20 etched on it
- Flash type
- TLC6Reviewkitguru.net/components/ssd-drives/simon-crisp/lexar-nm790-4tb-ssd-review/all/1Read 14 October 2026232-Layer 3D TLC NAND, Longsys branded, coded Longsys RY18TAA484210247Reviewtomshardware.com/reviews/lexar-nm790-ssd-review/2Read 14 October 2026Spec table reads 232-Layer YMTC TLC for all four capacities10Reviewthefpsreview.com/2024/04/17/lexar-nm790-with-heatsink-2tb-pcie-gen4-m-2-nvme-ssd-reviewRead 14 October 2026Spec table: Cell Type TLC, 232-Layer NAND, Maxio MAP1602
- Flash memory
- YMTC 232-layer TLC7Reviewtomshardware.com/reviews/lexar-nm790-ssd-review/2Read 14 October 2026Spec table reads 232-Layer YMTC TLC. The review lists YMTC flash type could vary as a con and says Lexar would not officially confirm the flash8Reviewpcgamer.com/lexar-nm790-4tb-ssd-reviewRead 14 October 2026Review says the NM790 uses 232-layer TLC NAND manufactured by YMTC
- Flash layers
- 2326Reviewkitguru.net/components/ssd-drives/simon-crisp/lexar-nm790-4tb-ssd-review/all/1Read 14 October 2026232-Layer 3D TLC7Reviewtomshardware.com/reviews/lexar-nm790-ssd-review/2Read 14 October 2026232-Layer YMTC TLC9Reviewlanoc.org/review/storage/lexar-nm790-2tbRead 14 October 20262TB sample uses 232-layer TLC NAND, Longsys branded, two of four NAND pads populated10Reviewthefpsreview.com/2024/04/17/lexar-nm790-with-heatsink-2tb-pcie-gen4-m-2-nvme-ssd-reviewRead 14 October 2026NAND Flash row reads 232-Layer
- DRAM cache
- None, uses host memory (HMB)3Press releaselexar.com/global/news/Lexar-Announces-Neq-NM790-SSDRead 14 October 2026Key features read Host Memory Buffer (HMB) 3.06Reviewkitguru.net/components/ssd-drives/simon-crisp/lexar-nm790-4tb-ssd-review/all/1Read 14 October 2026Cache row reads none, Host Memory Buffer (HMB) 3.07Reviewtomshardware.com/reviews/lexar-nm790-ssd-review/2Read 14 October 2026Spec table reads No (HMB)9Reviewlanoc.org/review/storage/lexar-nm790-2tbRead 14 October 2026Review says the NM790 is a DRAM-less design10Reviewthefpsreview.com/2024/04/17/lexar-nm790-with-heatsink-2tb-pcie-gen4-m-2-nvme-ssd-reviewRead 14 October 2026DRAM-less, Host Memory Buffer 3.0, Dynamic SLC caching
- DRAM cache size
- Not available
- Component sides
- Single-sided6Reviewkitguru.net/components/ssd-drives/simon-crisp/lexar-nm790-4tb-ssd-review/all/1Read 14 October 20264TB sample is built on a single-sided M.2 2280 format with all major components on one side, four NAND packages7Reviewtomshardware.com/reviews/lexar-nm790-ssd-review/2Read 14 October 2026Review says this drive is single-sided, even at 4TB8Reviewpcgamer.com/lexar-nm790-4tb-ssd-reviewRead 14 October 2026Review says the NM790 is single-sided9Reviewlanoc.org/review/storage/lexar-nm790-2tbRead 14 October 2026The 2TB bare sample has four NAND pads and uses two of them. KitGuru, Tom's Hardware and PC Gamer say the 4TB model, which fills the pads, is single-sided. LanOC does not state the board sides, so the 2TB base value rests on those 4TB reviews and on FPS Review for the 2TB with heatsink10Reviewthefpsreview.com/2024/04/17/lexar-nm790-with-heatsink-2tb-pcie-gen4-m-2-nvme-ssd-reviewRead 14 October 2026Review of the 2TB with Heatsink (LNM790X002T-RN9NU): the heatsink covers both sides, but all the silicon is on one side only
Performance
- Sequential read (claimed)
- 7,400MB/s1Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026Speed row: up to 7,400 MB/s for 1TB, 2TB and 4TB, 7,200 MB/s for 512GB and 7,000 MB/s for 8TB. Footnote says based on internal testing, host and tool not named. Base is the 2TB model
- Sequential write (claimed)
- 6,500MB/s1Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026Up to 6,500 MB/s for 1TB, 2TB and 4TB, 4,400 MB/s for 512GB and 6,200 MB/s for 8TB. Same internal testing
Endurance and reliability
- Endurance (TBW)
- 1,500TB1Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026TBW row: 512GB 500, 1TB 1000, 2TB 1500, 4TB 3000, 8TB 6000
- MTBF or MTTF (claimed)
- 1,500,000h1Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026MTBF row reads 1,500,000 Hours. Published as MTBF2Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-lexar-nm790-heatsink-4to_9996.pdfRead 14 October 2026MTBF 1,500,000 hours
- Operating temperature
- Min0Max70°C1Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 20260 C to 70 C. The storage range of -40 C to 85 C is not stored2Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-lexar-nm790-heatsink-4to_9996.pdfRead 14 October 20260 to 70 C
Power
We could not find any of these 6 fields. Show them
- Power while reading (claimed)
- Not available
- Power while writing (claimed)
- Not available
- Max power consumption (claimed)
- Not available
- Average power in light use (claimed)
- Not available
- Idle power (claimed)
- Not available
- Sleep power (claimed)
- Not available
Measured
We could not find any of these 9 fields. Show them
- Sequential read (measured)
- Not available
- Sequential write (measured)
- Not available
- Random 4K read at queue depth 1 (measured)
- Not available
- Random 4K write at queue depth 1 (measured)
- Not available
- Write cache size (measured)
- Not available
- Write speed after the cache (measured)
- Not available
- 3DMark Storage Benchmark
- Not available
- Highest temperature under load (measured)
- Not available
- Idle power (measured)
- Not available
Cooling and build
- Heatsink
- Without heatsink, With heatsink2Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-lexar-nm790-heatsink-4to_9996.pdfRead 14 October 2026Second version of the drive with an integrated, pre-installed heatsink. No lighting is mentioned5Press articlefunkykit.com/news/lexar-announces-nm790-m-2-nvme-ssd-with-heatsinkRead 14 October 2026NM790 with Heatsink is a second version of the NM790, designed for PS5 and PC
- RGB lighting
- Not available
- Dust and water rating
- Not available
- Drop test height
- Not available
Security and software
We could not find any of these 2 fields. Show them
- Security
- Not available
- Software
- Not available
Compatibility
Dimensions and weight
Front and side, drawn to scale.
- Dimensions
- Length80Width22Height2.45mm(3.1 × 0.9 × 0.1 in)1Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026Dimensions (L x W x H): 512GB-4TB 80 x 22 x 2.45 mm, 8TB 80 x 22 x 3.75 mm. Base is the bare 2TB model
In the box
We could not find any of these 2 fields. Show them
- In the box
- Not available
- Cables included
- Not available
Links
- Product page
- www.lexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSD1Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026
- Spec sheet
- Not available
- Manual
- Not available
- EPREL registration number
- Not available
Warranty
- Manufacturer warranty (source market)
- 5years1Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026Five-year limited warranty. The global page names no market2Maker spec sheet (PDF)1fodiscount.com/ressources/site/document/product/presentation-de-la-gamme-pour-lexar-nm790-heatsink-4to_9996.pdfRead 14 October 2026Five-year limited warranty
Compare with
Pick a SSD to see both side by side. Differences are marked yellow.
Variants
Each variant lists only what differs from the specs above.
| Model number | GTIN | Model numbers | GTIN / EAN | Launch price (US) | Capacity | Component sides | Sequential read (claimed) | Sequential write (claimed) | Random 4K read (claimed) | Random 4K write (claimed) | Endurance (TBW) | Sequential read (measured) | Sequential write (measured) | Random 4K read at queue depth 1 (measured) | Random 4K write at queue depth 1 (measured) | Write cache size (measured) | Write speed after the cache (measured) | Idle power (measured) | Heatsink | Dimensions | Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LNM790X512G-RNNNG | Not available | LNM790X512G-RNNNG, LNM790X512G-RNNNU | Not available | $49.99 | 512 GB | Not available | 7,200 MB/s | 4,400 MB/s | 800,000 IOPS | 800,000 IOPS | 500 TB | Not available | Not available | Not available | Not available | Not available | Not available | Not available | Without heatsink | Same as base | Same as base |
| LNM790X001T-RNNNG | 843367130283 | LNM790X001T-RNNNG, LNM790X001T-RNNNU | Not available | $69.99 | 1 TB | Not available | 7,400 MB/s | 6,500 MB/s | 1,000,000 IOPS | 900,000 IOPS | 1,000 TB | Not available | Not available | Not available | Not available | Not available | Not available | Not available | Without heatsink | Same as base | Same as base |
| LNM790X002T-RNNNG | 843367130290 | LNM790X002T-RNNNG, LNM790X002T-RNNNU | 843367130290, 843367131358 | $124.99 | 2 TB | Not available | 7,400 MB/s | 6,500 MB/s | 1,000,000 IOPS | 900,000 IOPS | 1,500 TB | Not available | Not available | Not available | Not available | Not available | Not available | Not available | Without heatsink | Same as base | Same as base |
| LNM790X004T-RNNNG | Not available | LNM790X004T-RNNNG, LNM790X004T-RNNNU | Not available | $209.99 | 4 TB | Single-sided | 7,400 MB/s | 6,500 MB/s | 900,000 IOPS | 900,000 IOPS | 3,000 TB | 7,437 MB/s | 6,439 MB/s | 83.06 MB/s | 321.78 MB/s | 642 GB | 2,600 MB/s | 776 mW | Without heatsink | Same as base | Same as base |
| LNM790X008T-RNNNG | Not available | LNM790X008T-RNNNG | Not available | Not available | 8 TB | Not available | 7,000 MB/s | 6,200 MB/s | 850,000 IOPS | 900,000 IOPS | 6,000 TB | Not available | Not available | Not available | Not available | Not available | Not available | Not available | Without heatsink | Length 80, Width 22, Height 3.75 mm | 7.6 g |
| LNM790X001T-RN9NG | 843367131242 | LNM790X001T-RN9NG, LNM790X001T-RN9NU | 843367131242, 843367131488 | $79.99 | 1 TB | Not available | 7,400 MB/s | 6,500 MB/s | 1,000,000 IOPS | 900,000 IOPS | 1,000 TB | Not available | Not available | Not available | Not available | Not available | Not available | Not available | With heatsink | Length 80, Width 24, Height 9.7 mm | 48.6 g |
| LNM790X002T-RN9NG | 843367131259 | LNM790X002T-RN9NG, LNM790X002T-RN9NU | 843367131259, 843367131495 | $149.99 | 2 TB | Single-sided | 7,400 MB/s | 6,500 MB/s | 1,000,000 IOPS | 900,000 IOPS | 1,500 TB | Not available | Not available | Not available | Not available | Not available | Not available | Not available | With heatsink | Length 80, Width 24, Height 9.7 mm | 48.6 g |
| LNM790X004T-RN9NG | 843367131518 | LNM790X004T-RN9NG, LNM790X004T-RN9NU | 843367131518, 843367131501 | $229.99 | 4 TB | Not available | 7,400 MB/s | 6,500 MB/s | 900,000 IOPS | 900,000 IOPS | 3,000 TB | Not available | Not available | Not available | Not available | Not available | Not available | Not available | With heatsink | Length 80, Width 24, Height 9.7 mm | 48.6 g |
Sources
We read 12 sources for this SSD. The numbers match the markers in the sheet.
- Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSD
- Press releaselexar.com/global/news/Lexar-Announces-Neq-NM790-SSD
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