SSDs / Compare
Lexar NM990 vs XPG MARS 980 BLADE
Product A: Lexar
25 of 63 known
Change Lexar NM990
Compare the XPG MARS 980 BLADE with
Product B: XPG
41 of 63 known
Change XPG MARS 980 BLADE
28 of 55 fields differ
- 12 different values
- 16 known for one only
- 10 the same
- 17 missing for both
Biggest differences
Each bar uses the scale of all 84 SSDs.
- Write speedA: 10,000MB/sB: 13,000MB/sXPG is 3,000 MB/s higher.
- Random 4K write (claimed)A: 1,400,000IOPSB: 1,650,000IOPSXPG is 250,000 IOPS higher.
Size, drawn to scale
Front and side.
- ALexar: 22 × 2.5 mm
- BXPG: 22 × 4.5 mm
Weight
0 to 150 g
All 63 fields
Every value links to where we found it.


General
4 of 9 differ
Series
Model numbers
LNM990X001T-RNNNG, LNM990X001T-RNNNU, LNM990X002T-RNNNG, LNM990X002T-RNNNU, LNM990X004T-RNNNG, LNM990X004T-RNNNU1Maker product pagelexar.com/global/products/Lexar-NM990-M-2-2280-PCIe-5-0-NVMe-SSDRead 14 October 2026Part number table, region Global: LNM990X001T-RNNNG, LNM990X002T-RNNNG and LNM990X004T-RNNNG. The 2TB number is on this page, not on the retailer listings. The RNNNU North America codes are in the setup sheet2Maker spec sheet (PDF)resources.lexar.com/download/2254/document/14461/setupsheet-nm990-pcie-5-0-ssd.pdfRead 14 October 2026Ordering information: Global LNM990X001T-RNNNG, LNM990X002T-RNNNG, LNM990X004T-RNNNG and North America LNM990X001T-RNNNU, LNM990X002T-RNNNU, LNM990X004T-RNNNU
SMAR-980B-1TCS, SMAR-980B-2TCS, SMAR-980B-4TCS5Reviewtomshardware.com/pc-components/ssds/adata-xpg-mars-980-blade-2tb-ssd-reviewRead 15 October 2026Specification table: SMAR-980B-1TCS, SMAR-980B-2TCS and SMAR-980B-4TCS. The table also holds the per-capacity ratings used in the variant rows: write 10,000, 13,000 and 13,000 MB/s, random read 1,600K, 2,000K and 1,950K IOPS, random write 1,650K, endurance 740, 1,480 and 2,960 TB
GTIN / EAN
843367136841, 843367136872, 843367136858, 843367136889, 843367136865, 8433671368962Maker spec sheet (PDF)resources.lexar.com/download/2254/document/14461/setupsheet-nm990-pcie-5-0-ssd.pdfRead 14 October 2026Single UPC column. Global: 843367136841 (1TB), 843367136858 (2TB), 843367136865 (4TB). North America: 843367136872, 843367136889, 843367136896. The 10-pack UPCs are not stored
4711658150820, 47116581508379Retailer pagemultitronic.fi/en/products/4533223/adata-xpg-mars-980-blade-2tb-m-2-pcie-5-0-nvme-ssdRead 15 October 2026Multitronic lists SMAR-980B-2TCS with EAN 471165815083710Retailer pageb2b.100mega.com/en/319388-adata-xpg-mars-980-blade-1tb-ssdRead 15 October 2026100mega lists the 1TB SMAR-980B-1TCS with EAN 4711658150820. The 4TB EAN was not read on any page and is left out
Announced
Not available
Status
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
Not available
From $1351Maker product pagexpg.com/us/xpg/solid-state-drive-mars-980-bladeRead 15 October 20264Reviewpcworld.com/article/2776320/xpg-mars-980-blade-review.htmlRead 15 October 20265Reviewtomshardware.com/pc-components/ssds/adata-xpg-mars-980-blade-2tb-ssd-reviewRead 15 October 20266Measurementtomshardware.com/pc-components/ssds/adata-xpg-mars-980-blade-2tb-ssd-review/2Read 15 October 20267Reviewkitguru.net/components/ssd-drives/simon-crisp/adata-xpg-mars-980-blade-2tb-ssd-reviewRead 15 October 20268Measurementkitguru.net/components/ssd-drives/simon-crisp/adata-xpg-mars-980-blade-2tb-ssd-review/4Read 15 October 20269Retailer pagemultitronic.fi/en/products/4533223/adata-xpg-mars-980-blade-2tb-m-2-pcie-5-0-nvme-ssdRead 15 October 202610Retailer pageb2b.100mega.com/en/319388-adata-xpg-mars-980-blade-1tb-ssdRead 15 October 2026
Launch price (EU)
Not available
Not available
Markets
Not available
Not available
Colours
Not available
Not available
Form factor
Capacity
1 TB, 2 TB, 4 TB1Maker product pagelexar.com/global/products/Lexar-NM990-M-2-2280-PCIe-5-0-NVMe-SSDRead 14 October 2026Capacity row reads 1TB, 2TB, 4TB. Footnote: 1GB equals 1 billion bytes. ComputerBase lists 1,024, 2,048 and 4,096 GB, which Lexar does not publish, so decimal values are stored2Maker spec sheet (PDF)resources.lexar.com/download/2254/document/14461/setupsheet-nm990-pcie-5-0-ssd.pdfRead 14 October 2026
Interface
1 of 5 differ
Interface
PCIe NVMe1Maker product pagelexar.com/global/products/Lexar-NM990-M-2-2280-PCIe-5-0-NVMe-SSDRead 14 October 2026Interface row reads PCIe Gen5x4. The page gives no NVMe version2Maker spec sheet (PDF)resources.lexar.com/download/2254/document/14461/setupsheet-nm990-pcie-5-0-ssd.pdfRead 14 October 2026
PCIe generation
PCIe lanes
NVMe version
Not available
Detachable cable
Not available
Not available
Hardware
6 of 7 differ
Controller
Maxio MAP1806A4Press articlecomputerbase.de/news/storage/lexar-nm990-diesen-controller-nutzt-die-neue-pcie-5-0-ssd.93511Read 14 October 2026ComputerBase reads the NM990 uses the Maxio MAP1806A 8-channel controller with Micron TLC NAND. The maker does not name the controller5Press articlebenchmark.pl/aktualnosci/lexar-nm990-tanie-dyski-ssd-pcie-5.htmlRead 14 October 2026Reads an 8-channel Maxiotek MAP1806A controller, with a photo credited to Tweakers6Reviewallround-pc.com/artikel/lexar-nm990-ssd-test-pcie-5-fuer-wenig-geldRead 14 October 20262TB review names the Maxiotek MAP1806A, 8 NAND channels, hidden under the sticker
Flash type
TLC4Press articlecomputerbase.de/news/storage/lexar-nm990-diesen-controller-nutzt-die-neue-pcie-5-0-ssd.93511Read 14 October 2026Table reads TLC (3D) NAND. The flash maker is read as Micron by ComputerBase and as Longsys by allround-pc, so the flash row is not stored6Reviewallround-pc.com/artikel/lexar-nm990-ssd-test-pcie-5-fuer-wenig-geldRead 14 October 2026Review says the flash runs in TLC mode with an SLC write cache. It says the flash comes from Longsys and Lexar does not name the generation
TLC5Reviewtomshardware.com/pc-components/ssds/adata-xpg-mars-980-blade-2tb-ssd-reviewRead 15 October 2026Specification table: Micron 232-Layer TLC7Reviewkitguru.net/components/ssd-drives/simon-crisp/adata-xpg-mars-980-blade-2tb-ssd-reviewRead 15 October 2026KitGuru, 2025-12-02: 232-layer 3D TLC NAND
Flash memory
Not available
Flash layers
Not available
DRAM cache
None, uses host memory (HMB)3Press releaselexar.com/global/news/Lexar-Launches-the-NM990-PCIe-5-0-SSDRead 14 October 2026Key features read HMB and SLC Dynamic Cache. The release gives no DRAM chip4Press articlecomputerbase.de/news/storage/lexar-nm990-diesen-controller-nutzt-die-neue-pcie-5-0-ssd.93511Read 14 October 2026Table reads no DRAM cache5Press articlebenchmark.pl/aktualnosci/lexar-nm990-tanie-dyski-ssd-pcie-5.htmlRead 14 October 2026Reads the design has no DRAM cache, unlike the NM1090 models6Reviewallround-pc.com/artikel/lexar-nm990-ssd-test-pcie-5-fuer-wenig-geldRead 14 October 2026Review text says DRAM-less with Host Memory Buffer. Its spec box lists 4GB LPDDR4, which disagrees with its own text, ComputerBase, Benchmark.pl and Lexar, and is not used
DRAM cache size
Not available
2GB5Reviewtomshardware.com/pc-components/ssds/adata-xpg-mars-980-blade-2tb-ssd-reviewRead 15 October 2026The 2TB sample has two Samsung DDR4 16-bit 8 Gb packages, 2GB in total. KitGuru lists 2GB LPDDR4-2666. Both give 2GB. The type conflict does not change the size7Reviewkitguru.net/components/ssd-drives/simon-crisp/adata-xpg-mars-980-blade-2tb-ssd-reviewRead 15 October 2026Physical specifications: cache 2GB LPDDR4-2666MHz
Performance
2 of 4 differ
Sequential read (claimed)
14,000MB/s1Maker product pagelexar.com/global/products/Lexar-NM990-M-2-2280-PCIe-5-0-NVMe-SSDRead 14 October 2026Speed row, up to 14,000 MB/s read at 1TB, 2TB and 4TB. Based on internal testing, host not named2Maker spec sheet (PDF)resources.lexar.com/download/2254/document/14461/setupsheet-nm990-pcie-5-0-ssd.pdfRead 14 October 2026Same speed table as the product page. Setup sheet availability date is June 2025
Sequential write (claimed)
10,000MB/s1Maker product pagelexar.com/global/products/Lexar-NM990-M-2-2280-PCIe-5-0-NVMe-SSDRead 14 October 2026Up to 7,500 MB/s (1TB), 10,000 MB/s (2TB) and 11,000 MB/s (4TB)2Maker spec sheet (PDF)resources.lexar.com/download/2254/document/14461/setupsheet-nm990-pcie-5-0-ssd.pdfRead 14 October 2026
Random 4K read (claimed)
2,000,000IOPS1Maker product pagelexar.com/global/products/Lexar-NM990-M-2-2280-PCIe-5-0-NVMe-SSDRead 14 October 2026Up to 1600K (1TB), 2000K (2TB) and 2000K (4TB) IOPS. Queue depth is not stated2Maker spec sheet (PDF)resources.lexar.com/download/2254/document/14461/setupsheet-nm990-pcie-5-0-ssd.pdfRead 14 October 2026
Random 4K write (claimed)
Endurance and reliability
2 of 3 differ
Endurance (TBW)
1,500TB1Maker product pagelexar.com/global/products/Lexar-NM990-M-2-2280-PCIe-5-0-NVMe-SSDRead 14 October 2026TBW row: 1TB 750TBW, 2TB 1500TBW, 4TB 3000TBW2Maker spec sheet (PDF)resources.lexar.com/download/2254/document/14461/setupsheet-nm990-pcie-5-0-ssd.pdfRead 14 October 20263Press releaselexar.com/global/news/Lexar-Launches-the-NM990-PCIe-5-0-SSDRead 14 October 2026Rated capacity of up to 3000 TBW (4TB)
MTBF or MTTF (claimed)
Operating temperature
Power
None of 6 known
Power while reading (claimed)
Not available
Not available
Power while writing (claimed)
Not available
Not available
Max power consumption (claimed)
Not available
Not available
Average power in light use (claimed)
Not available
Not available
Idle power (claimed)
Not available
Not available
Sleep power (claimed)
Not available
Not available
Measured
8 of 9 differ
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
Not available
Highest temperature under load (measured)
Not available
Cooling and build
1 of 4 differ
Heatsink
Without heatsink1Maker product pagelexar.com/global/products/Lexar-NM990-M-2-2280-PCIe-5-0-NVMe-SSDRead 14 October 2026The page lists no heatsink version6Reviewallround-pc.com/artikel/lexar-nm990-ssd-test-pcie-5-fuer-wenig-geldRead 14 October 2026All models ship without a heatsink. The review's spec box lists 3.6 mm thickness, which disagrees with Lexar's 2.45 mm, and is not used
RGB lighting
Not available
Not available
Dust and water rating
Not available
Not available
Drop test height
Not available
Not available
Security and software
1 of 2 differ
Security
Not available
Not available
Software
Lexar DiskMaster2Maker spec sheet (PDF)resources.lexar.com/download/2254/document/14461/setupsheet-nm990-pcie-5-0-ssd.pdfRead 14 October 2026Lexar DiskMaster SSD Management tool for firmware updates, drive management and health monitoring3Press releaselexar.com/global/news/Lexar-Launches-the-NM990-PCIe-5-0-SSDRead 14 October 2026Lexar DiskMaster SSD Management tool
Compatibility
1 of 1 differ
Dimensions and weight
2 of 2 differ
Dimensions
Length80Width22Height2.45mm(3.1 × 0.9 × 0.1 in)1Maker product pagelexar.com/global/products/Lexar-NM990-M-2-2280-PCIe-5-0-NVMe-SSDRead 14 October 2026Dimension row reads 80 x 22 x 2.45 mm (3.15 x 0.87 x 0.10 in). The row label says W x L x H, the values are length 80 and width 222Maker spec sheet (PDF)resources.lexar.com/download/2254/document/14461/setupsheet-nm990-pcie-5-0-ssd.pdfRead 14 October 202680 x 22 x 2.45 mm (L x W x H)
Length80Width22Height4.5mm(3.1 × 0.9 × 0.2 in)1Maker product pagexpg.com/us/xpg/solid-state-drive-mars-980-bladeRead 15 October 2026Dimensions (L x W x H): 80 x 22 x 4.5 mm with heatsink and 80 x 22 x 3.2 mm without
In the box
None of 2 known
In the box
Not available
Not available
Cables included
Not available
Not available
Links
Not compared
Product page
Spec sheet
Not available
Not available
Manual
Not available
Not available
EPREL registration number
Not available
Not available
Warranty
0 of 1 differ
Manufacturer warranty (source market)












