SSDs / Compare
Sandisk Optimus 5100 vs XPG MARS 980 BLADE
Product A: Sandisk
46 of 63 known
Change Sandisk Optimus 5100
Compare the XPG MARS 980 BLADE with
Product B: XPG
41 of 63 known
Change XPG MARS 980 BLADE
38 of 55 fields differ
- 30 different values
- 8 known for one only
- 6 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: 7,100MB/sB: 14,000MB/sXPG is 6,900 MB/s higher.
- Write speedA: 6,700MB/sB: 13,000MB/sXPG is 6,300 MB/s higher.
- EnduranceA: 900TBB: 1,480TBXPG is 580 TB higher.
- Random 4K write (claimed)A: 1,300,000IOPSB: 1,650,000IOPSXPG is 350,000 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
4 of 9 differ
Series
Model numbers
SDSP51500GAN, SDSP51500GAN-000E0, WDS500G5B0E-00CPE0, SDSP51100TAN, SDSP51100TAN-000E0, WDS100T5B0E-00CPE0, SDSP51200TAN, SDSP51200TAN-000E0, WDS200T5B0E-00CPE0, SDSP51400TAN, SDSP51400TAN-000E0, WDS400T5B0E-00CPE01Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus/data-sheet-sandisk-optimus-5100-internal-ssd.pdfRead 14 October 2026Product specifications table: SDSP51500GAN, SDSP51100TAN, SDSP51200TAN and SDSP51400TAN for 500GB, 1TB, 2TB and 4TB. The -000E0 suffix is on the product page2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-5100-internal-nvme-ssdRead 14 October 2026Specifications tables list SDSP51500GAN-000E0, SDSP51100TAN-000E0, SDSP51200TAN-000E0 and SDSP51400TAN-000E0. The WDS legacy codes come from Tom's Hardware3Press articletomshardware.com/pc-components/ssds/sandisk-launches-wd-blue-sn5100-ssd-touting-30-percent-higher-performance-than-predecessor-pcie-4-0-dram-less-drives-start-at-usd54Read 14 October 2026The WD Blue SN5100 part numbers are in Tom's Hardware's review table4Reviewtomshardware.com/pc-components/ssds/sandisk-wd-blue-sn5100-2tb-ssd-reviewRead 14 October 2026Part numbers WDS500G5B0E-00CPE0, WDS100T5B0E-00CPE0, WDS200T5B0E-00CPE0 and WDS400T5B0E-00CPE0
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
619659232306, 619659232290, 619659232283, 6196592322762Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-5100-internal-nvme-ssdRead 14 October 2026UPCs in the product page data: 619659232306 (500GB), 619659232290 (1TB), 619659232283 (2TB) and 619659232276 (4TB)
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
Status
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
$149.993Press articletomshardware.com/pc-components/ssds/sandisk-launches-wd-blue-sn5100-ssd-touting-30-percent-higher-performance-than-predecessor-pcie-4-0-dram-less-drives-start-at-usd54Read 14 October 2026MSRP table in the launch article: 500GB $54.99, 1TB $79.99, 2TB $149.99 and 4TB $299.99. US prices before tax, stated as WD Blue SN5100 pricing8Reviewservethehome.com/sandisk-wd-blue-sn5100-2tb-pcie-gen4-nvme-ssd-review/3Read 14 October 2026Launching on 27 August 2025 at an MSRP of $150 for the 2TB, which matches the $149.99 in the launch article
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
Interface
1 of 5 differ
Interface
PCIe generation
PCIe lanes
NVMe version
2.04Reviewtomshardware.com/pc-components/ssds/sandisk-wd-blue-sn5100-2tb-ssd-reviewRead 14 October 2026Spec table reads PCIe 4.0 x4 NVMe 2.0 on all capacities7Reviewservethehome.com/sandisk-wd-blue-sn5100-2tb-pcie-gen4-nvme-ssd-reviewRead 14 October 2026CrystalDiskInfo confirms PCIe 4.0 x4 speeds using NVMe 2.09Reviewstoragereview.comRead 14 October 2026Specification table reads NVMe 2.0d. Tom's Hardware and ServeTheHome read NVMe 2.0, which is stored
Detachable cable
Not available
Not available
Hardware
7 of 7 differ
Controller
Sandisk Polaris 34Reviewtomshardware.com/pc-components/ssds/sandisk-wd-blue-sn5100-2tb-ssd-reviewRead 14 October 2026Spec table reads Sandisk Proprietary and does not name the model. PCGH names it Polaris 3, which is stored10Press articlepcgameshardware.de/SSD-Hardware-255552/News/Sandisk-SN5100-PCIe-4-NVMe-1480772Read 14 October 2026PCGH reads that the drive combines BiCS8 QLC NAND with the Sandisk Polaris 3 controller. The maker does not name the controller. Tom's Hardware reads Sandisk proprietary, so no source contradicts it
Flash type
QLC1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus/data-sheet-sandisk-optimus-5100-internal-ssd.pdfRead 14 October 2026NAND row reads SANDISK QLC 3D CBA NAND and the text says 8th generation SANDISK BiCS QLC 3D CBA NAND7Reviewservethehome.com/sandisk-wd-blue-sn5100-2tb-pcie-gen4-nvme-ssd-reviewRead 14 October 2026Sandisk QLC NAND, the first Blue drive with QLC at every capacity
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 QLC1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus/data-sheet-sandisk-optimus-5100-internal-ssd.pdfRead 14 October 20268th generation SANDISK BiCS QLC 3D CBA NAND. The datasheet gives no layer count4Reviewtomshardware.com/pc-components/ssds/sandisk-wd-blue-sn5100-2tb-ssd-reviewRead 14 October 2026Same spec table row
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/data-sheet-sandisk-optimus-5100-internal-ssd.pdfRead 14 October 2026DRAM cache row reads Host Memory Buffer. SLC cache row reads SANDISK nCache 4.04Reviewtomshardware.com/pc-components/ssds/sandisk-wd-blue-sn5100-2tb-ssd-reviewRead 14 October 2026Spec table lists N/A (HMB) on all capacities7Reviewservethehome.com/sandisk-wd-blue-sn5100-2tb-pcie-gen4-nvme-ssd-reviewRead 14 October 2026No DRAM cache9Reviewstoragereview.comRead 14 October 2026DRAM-less, Host Memory Buffer
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-sided4Reviewtomshardware.com/pc-components/ssds/sandisk-wd-blue-sn5100-2tb-ssd-reviewRead 14 October 2026Spec table lists M.2 2280 (Single-sided) for every capacity. The review says the drive has a single NAND flash chip7Reviewservethehome.com/sandisk-wd-blue-sn5100-2tb-pcie-gen4-nvme-ssd-reviewRead 14 October 2026The 2TB comes in a single-sided M.2 2280 form factor with one NAND package9Reviewstoragereview.comRead 14 October 2026Specification table reads form factor M.2 2280-S3-M, where S is single-sided
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
Measured
9 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)
Write speed after the cache (measured)
Not available
3DMark Storage Benchmark
Not available
Highest temperature under load (measured)
Idle power (measured)
Cooling and build
1 of 4 differ
Heatsink
Without heatsink1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus/data-sheet-sandisk-optimus-5100-internal-ssd.pdfRead 14 October 2026Bare M.2 2280 module. The datasheet and product page list no heatsink version2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-5100-internal-nvme-ssdRead 14 October 2026No heatsink version listed
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/data-sheet-sandisk-optimus-5100-internal-ssd.pdfRead 14 October 2026Security row 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/data-sheet-sandisk-optimus-5100-internal-ssd.pdfRead 14 October 202680 x 22 x 2.38 mm for 500GB to 4TB. Length and width vary by 0.15 mm2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-5100-internal-nvme-ssdRead 14 October 20263.15 x 0.87 x 0.09 in on the page, the datasheet has the metric values
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
5.7g(0.2 oz)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus/data-sheet-sandisk-optimus-5100-internal-ssd.pdfRead 14 October 20265.7 g for 500GB to 4TB, plus or minus 1 g2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-5100-internal-nvme-ssdRead 14 October 20265.7 g
In the box
1 of 2 differ
In the box
SANDISK Optimus 5100 NVMe SSD2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-5100-internal-nvme-ssdRead 14 October 2026In The Box reads SANDISK Optimus 5100 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/data-sheet-sandisk-optimus-5100-internal-ssd.pdf1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus/data-sheet-sandisk-optimus-5100-internal-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)














