SSDs / Compare
Sandisk Optimus GX 7100 vs XPG MARS 980 BLADE
Product A: Sandisk
43 of 63 known
Change Sandisk Optimus GX 7100
Product B: XPG
41 of 63 known
Change XPG MARS 980 BLADE
37 of 55 fields differ
- 27 different values
- 10 known for one only
- 7 the same
- 11 missing for both
Biggest differences
Each bar uses the scale of all 84 SSDs.
- Random 4K read (claimed)A: 1,000,000IOPSB: 2,000,000IOPSXPG is 1,000,000 IOPS higher.
- Read speedA: 7,250MB/sB: 14,000MB/sXPG is 6,750 MB/s higher.
- Write speedA: 6,900MB/sB: 13,000MB/sXPG is 6,100 MB/s higher.
- Write speed after the cacheA: 2,860MB/sB: 3,680MB/sXPG is 820 MB/s higher.
- EnduranceA: 1,200TBB: 1,480TBXPG is 280 TB higher.
- Random 4K write (claimed)A: 1,400,000IOPSB: 1,650,000IOPSXPG is 250,000 IOPS higher.
Size, drawn to scale
Front and side.
- ASandisk: 22 × 2.4 mm
- BXPG: 22 × 4.5 mm
Weight
0 to 150 g
All 63 fields
Every value links to where we found it.


General
5 of 9 differ
Series
Model numbers
SDSP71500GAN, SDSP71500GAN-000E0, WDS500G4X0E-00CJA0, SDSP71100TAN, SDSP71100TAN-000E0, WDS100T4X0E-00CJA0, SDSP71200TAN, SDSP71200TAN-000E0, WDS200T4X0E-00CJA0, SDSP71400TAN, SDSP71400TAN-000E0, WDS400T4X0E-00CJA01Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 20262Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssdRead 14 October 2026SKU codes carry a -000E0 suffix3Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-black-ssd/data-sheet-wd-black-sn7100-nvme-ssd.pdfRead 14 October 2026WD_BLACK SN7100 datasheet, July 2025. Model numbers WDS500G4X0E-00CJA0, WDS100T4X0E-00CJA0, WDS200T4X0E-00CJA0 and WDS400T4X0E-00CJA0. Same speeds, IOPS, TBW, size, weight and 0 to 85 C range as the Optimus datasheet, which is why the legacy codes are listed on the same rows5Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-reviewRead 14 October 2026Legacy WD_BLACK part numbers WDS500G4X0E, WDS100T4X0E and WDS200T4X0E, listed without the maker suffix
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
Not available
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)
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
Form factor
Interface
1 of 5 differ
Interface
PCIe generation
PCIe lanes
NVMe version
2.01Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026Datasheet reads NVMe 2.0. Tom's Hardware lists NVMe 1.4, ServeTheHome's CrystalDiskInfo shows NVMe 2.0, so the datasheet value is stored7Reviewservethehome.com/wd-black-sn7100-2tb-nvme-ssd-reviewRead 14 October 2026CrystalDiskInfo confirms PCIe 4.0 x4 speeds using NVMe 2.0
Detachable cable
Not available
Not available
Hardware
6 of 7 differ
Controller
Sandisk Polaris 35Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-reviewRead 14 October 2026Spec table reads Polaris 3 (Proprietary) on all capacities. The maker does not name the controller9Reviewpcworld.com/article/2592443/wd-black-sn7100-ssd-review.htmlRead 14 October 2026Describes a Sandisk A101-000172-A1 controller. Tom's Hardware names it Polaris 3
Flash type
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
Sandisk BiCS8 TLC1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026NAND row reads SANDISK TLC 3D CBA NAND and the text says 8th generation SANDISK BiCS TLC 3D CBA NAND5Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-reviewRead 14 October 2026Spec table reads Sandisk 218-Layer TLC (BiCS8)9Reviewpcworld.com/article/2592443/wd-black-sn7100-ssd-review.htmlRead 14 October 2026BiCS8 NAND. ServeTheHome writes BiCS6 162-layer, which disagrees with the maker, Tom's Hardware and PCWorld, and is not used
Flash layers
DRAM cache
None, uses host memory (HMB)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026DRAM cache row reads Host Memory Buffer, so the drive has no DRAM chip5Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-reviewRead 14 October 2026Spec table lists N/A (HMB) on all capacities9Reviewpcworld.com/article/2592443/wd-black-sn7100-ssd-review.htmlRead 14 October 2026Host memory buffer, DRAM-less design
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
Component sides
Single-sided1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026Form factor reads M.2 2280-S3-M for every capacity. In the M.2 module naming S is single-sided5Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-reviewRead 14 October 2026Review says the drive is single-sided with one NAND flash package. A 4TB would need two packages, which TH did not yet test9Reviewpcworld.com/article/2592443/wd-black-sn7100-ssd-review.htmlRead 14 October 2026Single-sided, 2280, 22 mm wide and 80 mm long
Performance
4 of 4 differ
Sequential read (claimed)
Sequential write (claimed)
Random 4K read (claimed)
Random 4K write (claimed)
Endurance and reliability
3 of 3 differ
Endurance (TBW)
MTBF or MTTF (claimed)
Operating temperature
Power
3 of 6 differ
Power while reading (claimed)
Not available
Power while writing (claimed)
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
Measured
8 of 9 differ
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)
Not available
Write speed after the cache (measured)
3DMark Storage Benchmark
Not available
Not available
Highest temperature under load (measured)
Cooling and build
1 of 4 differ
Heatsink
RGB lighting
Not available
Not available
Dust and water rating
Not available
Not available
Drop test height
Not available
Not available
Security and software
2 of 2 differ
Security
TCG Pyrite (no encryption), Password protection1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026Datasheet reads TCG Pyrite 2.01 and ATA Security passthrough over NVMe. Pyrite has no encryption. ATA Security is the drive password feature, stored as password protection.
Not available
Software
Compatibility
1 of 1 differ
Platforms
Dimensions and weight
2 of 2 differ
Dimensions
Length80Width22Height2.38mm(3.1 × 0.9 × 0.1 in)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 202680 x 22 x 2.38 mm for 500GB to 4TB. Length and width vary by 0.15 mm
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
Weight
In the box
1 of 2 differ
In the box
SANDISK Optimus GX 7100 NVMe SSD2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssdRead 14 October 2026In The Box reads SANDISK Optimus GX 7100 NVMe SSD
Not available
Cables included
Not available
Not available
Links
Not compared
Product page
Spec sheet
documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdf1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx/data-sheet-optimus-gx-7100-internal-nvme-ssd.pdfRead 14 October 2026
Not available
Manual
Not available
Not available
EPREL registration number
Not available
Not available
Warranty
0 of 1 differ
Manufacturer warranty (source market)


















