SSDs / Compare

Lexar NM790 vs TeamGroup MP44Q

A

Product A: Lexar

NM790

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B

Product B: TeamGroup

MP44Q

36 of 63 known

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Only differences

ALexar NM790

BTeamGroup MP44Q

General

4 of 9 differ

Series

NM7901Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026Maker line name is NM790

Not available

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

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

TM8FFD001T0C101, TM8FFD002T0C101, TM8FFD004T0C101, TM8FFD008T0C1011Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026TEAM P/N column: TM8FFD001T0C101 (1TB), TM8FFD002T0C101 (2TB), TM8FFD004T0C101 (4TB) and TM8FFD008T0C101 (8TB)2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026Ordering information table lists 1TB, 2TB, 4TB and 8TB with their Team P/N

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

4711430802824, 4711430802817, 47114308027566Spec databasebuildcores.com/products/Storage/4i5nwix18/TEAMGROUP-MP44Q-1TB-SSD-M.2-PCIe-4.0-NVMeRead 14 October 20261TB TM8FFD001T0C101: UPC and EAN 4711430802824. Searches of retailer listings give 4711430802817 for the 2TB TM8FFD002T0C101 (BuildCores 2TB page, Geeknetic) and 4711430802756 for the 4TB TM8FFD004T0C101 (BuildCores 4TB page, Avoira). No code found for the 8TB

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

29 May 20233Press releaselexar.com/global/news/Lexar-Announces-Neq-NM790-SSDRead 14 October 2026Lexar news item dated 2023-05-29. The body text says 2022, which is a typo. Back2Gaming carried the release on 26 May 2023

18 April 20247Press articleguru3d.com/story/team-group-launches-mp44q-m2-gen-4-nvme-ssd-featuring-advanced-3d-qlc-nand-technologyRead 14 October 2026Guru3D article dated 18 April 2024 covers the TEAMGROUP launch announcement. KitGuru dated it 19 April 2024

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

Available1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026Listed on the maker site with a 2026 Q3 product catalog

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.

$124.994Press articlethepcenthusiast.com/lexar-releases-nm790-m-2-gen4-nvme-ssdRead 14 October 2026Reposts Lexar's release of 1 August 2023. The NM790 is available now at MSRPs of $49.99 (512GB), $69.99 (1TB), $124.99 (2TB) and $209.99 (4TB). US, bare drive. The base price is the 2TB model

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.

Not available

Not available

ColoursiThe maker's own colour names

Not available

Not available

Form factoriPhysical size of the drive. External is any drive in its own case that connects by cable. A drive sold in two M.2 lengths is two products. Xbox expansion card is a card for the storage expansion slot of an Xbox Series console.

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

M.2 22801Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 20262Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026

CapacityiNominal capacity before formatting, in decimal GB. A published 1 TB is 1000 GB. A published 1024GB stays 1024. The marketed capacity is stored, not a raw or usable figure from the same table, such as OWC's 2048 GB total and 1920 GB usable for a 2.0TB drive.

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

1 TB, 2 TB, 4 TB, 8 TB1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026Capacity column 1TB, 2TB, 4TB and 8TB. Note 1 says 1GB equals 1,000,000,000 bytes and 1TB equals 1,000,000,000,000 bytes2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026

Interface

1 of 5 differ

InterfaceiFastest host connection the drive is rated for. The PCIe generation of an NVMe drive is its own field. A Thunderbolt drive that also works over USB uses its Thunderbolt version.

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 NVMe1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026Interface row reads PCIe Gen4 x4 with NVMe. The page gives no NVMe version2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026

PCIe generationiHighest PCIe generation the drive supports, e.g. 5 for PCIe 5.0. NVMe drives only. A drive rated for PCIe 4.0 x4 or 5.0 x2 is 5 with 2 lanes, and the source note names both modes.

41Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026PCIe Gen4x4

41Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026PCIe Gen4 x4 with NVMe2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026

PCIe lanesiLanes the drive uses at its highest PCIe generation, usually 4. NVMe drives only.

41Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026PCIe Gen4x4

41Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026PCIe Gen4 x4 with NVMe2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026

NVMe versioniVersion of the NVMe specification as published. A revision letter is left out, so 2.0d is stored as 2.0.

Not available

1.43Reviewtomshardware.com/pc-components/ssds/teamgroup-mp44q-2tb-ssd-reviewRead 14 October 2026Spec table reads PCIe 4.0 x4 and NVMe 1.4 for 1TB, 2TB and 4TB. The maker states no version

Detachable cableiExternal drives. No means the cable is fixed to the drive.

Not available

Not available

Hardware

2 of 7 differ

ControlleriController maker and model as named by the maker or a review. On an external drive, the controller of the SSD inside, not the USB or Thunderbolt bridge chip. The bridge chip goes in the source note.

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

Maxio MAP1602A3Reviewtomshardware.com/pc-components/ssds/teamgroup-mp44q-2tb-ssd-reviewRead 14 October 2026Spec table reads Maxio MAP1602 and the PCB carries a MAP1602 marking. Wccftech and PCWorld name it MAP1602A, which is stored to match the other Maxio drives4Reviewpcworld.com/article/2573282/teamgroup-mp44q-nvme-ssd-review-host-memory-bus-champ-with-a-caveat.htmlRead 14 October 2026Spec table reads Maxio MAP-1602A5Reviewwccftech.com/review/teamgroup-mp44q-2-tb-nvme-ssd-review-qlc-to-the-maxRead 14 October 2026Reads Maxio MAP1602A-F3C

Flash typeiBits stored in each flash cell. TLC stores three and QLC stores four. A maker can use another flash type in some capacities, so it is per variant.

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

QLC1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026Page says the SSD uses 3D QLC NAND, with capacities up to 8TB

Flash memoryiFlash maker and generation as named by the maker or a review.

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

YMTC 232-layer QLC3Reviewtomshardware.com/pc-components/ssds/teamgroup-mp44q-2tb-ssd-reviewRead 14 October 2026Spec table reads YMTC 232-Layer QLC for 1TB, 2TB and 4TB. The 8TB is not covered5Reviewwccftech.com/review/teamgroup-mp44q-2-tb-nvme-ssd-review-qlc-to-the-maxRead 14 October 2026Teardown says the four flash ICs are YMTC 232-layer 3D QLC with 512 GB each. The spec section of the same page names Micron, which contradicts its own teardown

Flash layersiStacked layers of the 3D flash, from the maker or a review.

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

2323Reviewtomshardware.com/pc-components/ssds/teamgroup-mp44q-2tb-ssd-reviewRead 14 October 2026232-Layer from the same spec table5Reviewwccftech.com/review/teamgroup-mp44q-2-tb-nvme-ssd-review-qlc-to-the-maxRead 14 October 2026232-layer

DRAM cacheiDRAM is a memory chip on the drive. HMB is a drive without DRAM that borrows host memory. None has neither. HMB not stated is a drive without DRAM where no source says whether it borrows host memory. An external drive counts when a source names the cache of the drive inside.

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

None, uses host memory (HMB)1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026DRAM Cache column reads NO for every capacity. The maker does not mention HMB. Reviews read HMB, so hmb is stored2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026DRAM Cache row reads NO3Reviewtomshardware.com/pc-components/ssds/teamgroup-mp44q-2tb-ssd-reviewRead 14 October 2026Spec table reads N/A (HMB) for all three tested capacities4Reviewpcworld.com/article/2573282/teamgroup-mp44q-nvme-ssd-review-host-memory-bus-champ-with-a-caveat.htmlRead 14 October 2026Reads DRAM-less with a host memory buffer design5Reviewwccftech.com/review/teamgroup-mp44q-2-tb-nvme-ssd-review-qlc-to-the-maxRead 14 October 2026Reads DRAM-less with HMB

DRAM cache sizeiSize of the DRAM on the drive. Any DRAM type counts, such as DDR4 or LPDDR4X. Host memory buffer (HMB) is not DRAM on the drive.

Not available

Not available

Component sidesiWhether chips sit on one or both sides of the board. Thin laptops and some handhelds need single-sided drives. M.2 drives only. The M.2 module code states it: S is single-sided and D is double-sided, e.g. 2280-S3-M or 2280-D5-M.

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

Single-sided3Reviewtomshardware.com/pc-components/ssds/teamgroup-mp44q-2tb-ssd-reviewRead 14 October 2026Spec table reads M.2 2280 (Single-sided) for 1TB, 2TB and 4TB. Text says the drive is single-sided at all capacities. The 8TB is not covered

Performance

4 of 4 differ

Sequential read (claimed)iMaker's up-to sequential read speed for this capacity. Test conditions are in the source note.

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

7,000MB/s1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026Sequential read column reads 7,000 MB/s for all four capacities. Note says the figures come from CrystalDiskMark on a completely new drive and vary with the hardware and software. The launch coverage printed up to 7,400 MB/s, so the maker's current figure is used2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026Performance row, CrystalDiskMark: read up to 7,000 MB/s for 1TB to 8TB

Sequential write (claimed)iMaker's up-to sequential write speed for this capacity. Makers usually measure it inside the fast write cache.

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

5,900MB/s1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026Sequential write column reads 5,900 MB/s for all four capacities, with SLC caching. The launch coverage printed 6,500 MB/s and 6,200 MB/s for the 1TB2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026Performance row: write up to 5,900 MB/s for 1TB to 8TB

Random 4K read (claimed)iMaker's up-to random read speed with 4 KB blocks. Queue depth and threads are in the source note. The maker's headline claim. Makers test at different queue depths, so compare with care. The queue depth 1 measured fields compare better.

1,000,000IOPS1Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026512GB up to 800,000 IOPS. 1TB and 2TB up to 1,000,000. 4TB up to 900,000. 8TB up to 850,000. Queue depth is not stated

Not available

Random 4K write (claimed)iMaker's up-to random write speed with 4 KB blocks. Queue depth and threads are in the source note. The maker's headline claim. Makers test at different queue depths, so compare with care. The queue depth 1 measured fields compare better.

900,000IOPS1Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026512GB up to 800,000 IOPS. 1TB, 2TB and 4TB up to 900,000. 8TB up to 900,000. Queue depth is not stated

Not available

Endurance and reliability

2 of 3 differ

Endurance (TBW)iTerabytes that can be written within the warranty, as the maker rates them.

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

1,000TB1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026Terabyte Written column: 500 (1TB), 1000 (2TB), 2000 (4TB) and 4000 (8TB) TBW. Note says TBW follows JEDEC definitions and the warranty ends at the time limit or the TBW, whichever comes first. Launch coverage printed 512 TBW per TB2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026

MTBF or MTTF (claimed)iMean time between failures, or mean time to failure when the maker publishes MTTF. The source note says which. Some makers state it per capacity, so it is per variant.

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

1,600,000h1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026MTBF row reads 1,600,000 Hours2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026

Operating temperatureiMaker's operating range. The storage range is not stored.

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

Min0Max70°C1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026Operation Temperature 0 to 70 C. The storage range of -40 to 85 C is not stored2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026

Power

None of 6 known

Power while reading (claimed)iMaker's average power during sequential reads, including a figure given at the full read speed. A single average or active figure with no read and write split, such as Corsair's, is stored in both read and write, and the source note says so. A maximum figure, such as Kingston's (MAX) Read, is a peak and is not stored.

Not available

Not available

Power while writing (claimed)iMaker's average power during sequential writes. A single average or active figure with no read and write split is stored in both read and write, and the source note says so. A maximum figure, such as Kingston's (MAX) Write, is a peak and is not stored.

Not available

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Max power consumption (claimed)iMaker's peak or maximum power figure. Not the average while reading or writing. Kingston publishes max read and max write power apart. Store the higher one and name both in the source note.

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Average power in light use (claimed)iMaker's average over a mixed client workload such as MobileMark. Not idle power and not read or write power.

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Idle power (claimed)iMaker's idle power in the PS3 state with APST on, or the state the maker calls low-power idle. On a SATA drive, Slumber counts as low-power idle. A plain idle figure with no low-power state, often near 1 W, is active idle and is not stored. Samsung's Idle with DIPM on is a SATA link power state, so it counts as low-power idle.

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Sleep power (claimed)iMaker's power in the deepest sleep state, PS4 or L1.2. On a SATA drive this is DevSleep.

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Measured

7 of 9 differ

Sequential read (measured)iCrystalDiskMark SEQ1M Q8T1 read result from a reviewer. Host and slot are in the source note. KitGuru's default profile counts as SEQ1M Q8T1.

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7,126MB/s3Reviewtomshardware.com/pc-components/ssds/teamgroup-mp44q-2tb-ssd-reviewRead 14 October 20262TB. Review chart Crystal Disk Mark Peak Sequential Read 1MB QD8, 7,126 MB/s. Test platform: Intel Core i9-12900K and Asus ROG Maximus Z790 Hero, Windows 11 Pro, drive prefilled to 50 percent as a secondary drive, active cooling. Thread count is not stated on the chart

Sequential write (measured)iCrystalDiskMark SEQ1M Q8T1 write result from a reviewer. Host and slot are in the source note.

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6,517MB/s3Reviewtomshardware.com/pc-components/ssds/teamgroup-mp44q-2tb-ssd-reviewRead 14 October 20262TB. Chart Crystal Disk Mark Peak Sequential Write 1MB QD8, 6,517 MB/s. Same platform

Random 4K read at queue depth 1 (measured)iCrystalDiskMark RND4K Q1T1 read result from a reviewer. Small reads one at a time, close to everyday use. KitGuru's 4K QD1 1 Thread test counts as RND4K Q1T1. A CrystalDiskMark result printed in IOPS is stored as IOPS x 4096 / 1,000,000 MB/s, the way CrystalDiskMark converts.

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93.39MB/s3Reviewtomshardware.com/pc-components/ssds/teamgroup-mp44q-2tb-ssd-reviewRead 14 October 20262TB. Chart Crystal Disk Mark Random Read 4KB QD1 reads 22,800 IOPS, stored as 22,800 x 4096 / 1,000,000 = 93.39 MB/s. Same platform

Random 4K write at queue depth 1 (measured)iCrystalDiskMark RND4K Q1T1 write result from a reviewer. A CrystalDiskMark result printed in IOPS is stored as IOPS x 4096 / 1,000,000 MB/s, the way CrystalDiskMark converts.

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346.75MB/s3Reviewtomshardware.com/pc-components/ssds/teamgroup-mp44q-2tb-ssd-reviewRead 14 October 20262TB. Chart Crystal Disk Mark Random Write 4KB QD1 reads 84,656 IOPS, stored as 84,656 x 4096 / 1,000,000 = 346.75 MB/s. Same platform

Write cache size (measured)iData written at full speed in one long sequential write on an empty drive before the speed drops.

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500GB3Reviewtomshardware.com/pc-components/ssds/teamgroup-mp44q-2tb-ssd-reviewRead 14 October 20262TB. Text says the cache is around 500GB, roughly where the drive falls after writing at 5.75 GB/s for 86 seconds in a 15-minute Iometer sequential write at QD32 with 1MiB blocks. The drive was prefilled to 50 percent. Faceofit reports about 465 GB and is not used

Write speed after the cache (measured)iWrite speed in the first state after the fast cache is full, when the drive writes straight to TLC or QLC. Tom's Hardware calls it TLC mode. The slower folding state and the lowest dip are not stored. Only from a long sequential write test.

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3DMark Storage BenchmarkiOverall score measured by a reviewer. Host and slot are in the source note. From StorageReview only. Tom's Hardware scores the same drive about 30 percent higher, so other reviewers are not mixed in.

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Highest temperature under load (measured)iHighest drive sensor reading in a sustained write test of 10 minutes or more, on the bare drive unless the row is a heatsink version. Short benchmark runs do not count. Heatsink, airflow and room temperature go in the source note.

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56°C3Reviewtomshardware.com/pc-components/ssds/teamgroup-mp44q-2tb-ssd-reviewRead 14 October 20262TB. Text says the drive hit a maximum of 56 C during the write test with about 22 C ambient. The drive carries only its graphene label and the lab used active cooling unless noted. The sustained write test ran 15 minutes

Idle power (measured)iReviewer's idle reading. Power-saving settings such as ASPM are in the source note. A value read from a chart image counts when the source note says "read from chart".

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750mW3Reviewtomshardware.com/pc-components/ssds/teamgroup-mp44q-2tb-ssd-reviewRead 14 October 20262TB. Quarch PPM idle power with ASPM and LPM disabled, 750.0 mW, printed on the chart

Cooling and build

1 of 4 differ

HeatsinkiVersions sold. The base lists every version and each variant row lists its own. A water block or a cooler with a fan counts as a heatsink. A thermal pad or label alone is bare. A heatsink in the box that the buyer fits, as on the XPG MARS 980 BLADE, counts as with 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

Without heatsink1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026No heatsink version is listed. The drive has a graphene heat dissipation label under 1mm thick that works with the motherboard heatsink

RGB lightingiAny version sold has lighting the user can set. A status LED alone does not count. Leave it out when no version has lighting. The Heatsink rows show which version has it.

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Dust and water ratingiPublished IP rating of an external drive.

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Drop test heightiMaker-published tested height. Surface and conditions are in the source note.

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Security and software

1 of 2 differ

SecurityiFeatures the maker names for the drive. Encryption done by host software does not count. ATA Security passthrough counts as password protection.

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Software

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TEAM SMART TOOL1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026Page text names the patented S.M.A.R.T. monitoring software and the warranty notes call it TEAM SMART TOOL. Tom's Hardware calls the download SSD S.M.A.R.T. Tool3Reviewtomshardware.com/pc-components/ssds/teamgroup-mp44q-2tb-ssd-reviewRead 14 October 2026Site offers an SSD S.M.A.R.T. Tool download

Compatibility

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PlatformsiPlatforms the maker names for this drive. A PS5 needs a heatsink on an internal drive. PC is for a maker that writes Client PCs or PC without naming an operating system. Handheld PCs go in Other with a source note.

PC (no OS named), PS53Press releaselexar.com/global/news/Lexar-Announces-Neq-NM790-SSDRead 14 October 2026Compatible with desktop computers, laptops and the PlayStation 5. This item is about the bare drive. A PS5 needs a heatsink, which Sony requires and Lexar sells as the NM790 with Heatsink

Windows, Linux1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026Operating System row: Windows 11 / 10 / 8.1 / 8 / 7 / Vista or later and Linux 2.6.33 or later, on Intel and AMD platforms2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026

Dimensions and weight

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DimensionsiLength is the long side. Height is the thickness, including a fitted heatsink. As the maker publishes it. A maximum counts. Length is the long side even when the maker lists the width first.

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

Length80Width22Height3.7mm(3.1 × 0.9 × 0.1 in)1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026Dimensions row reads 80.0(L) x 22.0(W) x 3.7(H) mm2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026

WeightiDrive alone, with a heatsink when it is sold fitted. No cable and no packaging. As the maker publishes it. A maximum counts. Not a measured weight.

6g(0.2 oz)1Maker product pagelexar.com/global/products/Lexar-NM790-M-2-2280-PCIe-Gen-4x4-NVMe-SSDRead 14 October 2026512GB-4TB 6 g, 8TB 7.6 g

7g(0.2 oz)1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026Weight row reads 7g2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026

In the box

None of 2 known

In the box

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Cables includediCables supplied with an external drive.

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Links

Not compared

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

www.teamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C1011Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 2026The page for one capacity shows the table for all four. The 1TB page carries the same table

Spec sheet

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images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdf2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026Two-page English spec sheet. It says the official website prevails when they differ

Manual

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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.

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Warranty

0 of 1 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.

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

5years1Maker product pageteamgroupinc.com/en/product-detail/ssd/TEAMGROUP/mp44q/mp44q-TM8FFD002T0C101Read 14 October 20265-year limited warranty on every capacity. The page says the term may not apply in some countries or states under local law2Maker spec sheet (PDF)images.teamgroupinc.com/products/ssd/m2/mp44q/spec-sheet/mp44q-en.pdfRead 14 October 2026

Both are also in the API. Back to all SSDs.