SSDs / Compare
ADATA LEGEND 960 vs Sandisk Optimus GX 7100
Product A: ADATA
41 of 63 known
Change ADATA LEGEND 960
Product B: Sandisk
43 of 63 known
Change Sandisk Optimus GX 7100
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 write (claimed)A: 630,000IOPSB: 1,400,000IOPSSandisk is 770,000 IOPS higher.
- Random 4K read (claimed)A: 750,000IOPSB: 1,000,000IOPSSandisk is 250,000 IOPS higher.
- EnduranceA: 1,560TBB: 1,200TBADATA is 360 TB higher.
- Write speed after the cacheA: 3,590MB/sB: 2,860MB/sADATA is 730 MB/s higher.
Weight
0 to 150 g
All 63 fields
Every value links to where we found it.


General
5 of 9 differ
Series
Not available
Model numbers
ALEG-960-1TCS, ALEG-960-2TCS, ALEG-960-4TCS5Spec databaseshop.aodatacloud.es/medias/datasheet_aleg-960-2tcs.pdfRead 15 October 2026Icecat product codes ALEG-960-1TCS and ALEG-960-2TCS. The 4TB part number ALEG-960-4TCS comes from Tom's Hardware's spec table6Reviewtomshardware.com/reviews/adata-legend-960-ssd-reviewRead 15 October 2026Spec table part numbers: ALEG-960-1TCS, ALEG-960-2TCS and ALEG-960-4TCS
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
GTIN / EAN
4711085937506, 47110859375134Spec databaseshop.aodatacloud.es/medias/datasheet_aleg-960-1tcs.pdfRead 15 October 2026Icecat sheet for ALEG-960-1TCS, published 2025-07-28 and based on the manufacturer's data. EAN 47110859375065Spec databaseshop.aodatacloud.es/medias/datasheet_aleg-960-2tcs.pdfRead 15 October 2026Icecat sheet for ALEG-960-2TCS, published 2025-10-30. EAN 4711085937513. The sheet lists the same temperature, size, weight and MTBF as the 1TB sheet. No GTIN was found for the 4TB
Not available
Announced
Not available
Status
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
From $129.992Press releaseguru3d.com/story/adata-legend-960-pcie-gen4-x4-m-2-2280-solid-state-driveRead 15 October 20263Press articletomshardware.com/news/adata-legend-960-ssd-pc-ps5Read 15 October 20264Spec databaseshop.aodatacloud.es/medias/datasheet_aleg-960-1tcs.pdfRead 15 October 20265Spec databaseshop.aodatacloud.es/medias/datasheet_aleg-960-2tcs.pdfRead 15 October 20266Reviewtomshardware.com/reviews/adata-legend-960-ssd-reviewRead 15 October 20267Measurementtomshardware.com/reviews/adata-legend-960-ssd-review/2Read 15 October 20268Reviewthefpsreview.com/2022/10/04/adata-legend-960-1tb-gen4-x4-m-2-ssd-reviewRead 15 October 2026
Launch price (EU)
Not available
Not available
Markets
Not available
Not available
Colours
Not available
Form factor
M.2 22802Press releaseguru3d.com/story/adata-legend-960-pcie-gen4-x4-m-2-2280-solid-state-driveRead 15 October 2026Title and text: LEGEND 960 PCIe Gen4 x4 M.2 2280 solid state drive5Spec databaseshop.aodatacloud.es/medias/datasheet_aleg-960-2tcs.pdfRead 15 October 2026Form factor M.2. The 2280 length comes from the press release title and the drive name
Capacity
1 TB, 2 TB, 4 TB5Spec databaseshop.aodatacloud.es/medias/datasheet_aleg-960-2tcs.pdfRead 15 October 2026Capacity 2 TB for ALEG-960-2TCS and 1 TB for ALEG-960-1TCS. ADATA gives no byte definition in these sheets6Reviewtomshardware.com/reviews/adata-legend-960-ssd-reviewRead 15 October 2026The review lists 1TB, 2TB and 4TB. It says the 4TB was not available at the time of review
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
Silicon Motion SM22643Press articletomshardware.com/news/adata-legend-960-ssd-pc-ps5Read 15 October 2026Silicon Motion SM2264 with SLC caching and a DRAM cache buffer6Reviewtomshardware.com/reviews/adata-legend-960-ssd-reviewRead 15 October 2026Spec table: SM2264 for 1TB, 2TB and 4TB. Text: a Silicon Motion SM2264, eight channels, 12 nm, quad-core Arm Cortex-R8, 1600 MT/s. FPS Review names it the SMI SM2264
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
Flash memory
Micron 176-layer TLC (B47R)6Reviewtomshardware.com/reviews/adata-legend-960-ssd-reviewRead 15 October 2026Spec table: 176-Layer Micron TLC for all capacities. FPS Review writes ADATA branded (Micron B47R) 176-layer 3D TLC and PCPer writes Micron B47R 176-layer 3D TLC
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
Component sides
Double-sided6Reviewtomshardware.com/reviews/adata-legend-960-ssd-reviewRead 15 October 2026Text: one DRAM and two NAND packages per side on the 2TB sample, so double-sided. FPS Review says the 1TB sample is also double-sided with flash on both sides8Reviewthefpsreview.com/2022/10/04/adata-legend-960-1tb-gen4-x4-m-2-ssd-reviewRead 15 October 2026The 1TB sample is double-sided with flash on both 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)
7,400MB/s2Press releaseguru3d.com/story/adata-legend-960-pcie-gen4-x4-m-2-2280-solid-state-driveRead 15 October 2026Sequential read and write speeds of 7,400/6,800 MB per second, the 2TB figures. The release gives no test tool or host, and says the 1TB write is lower elsewhere. Base value is the 2TB model5Spec databaseshop.aodatacloud.es/medias/datasheet_aleg-960-2tcs.pdfRead 15 October 20262TB sheet: read speed 7400 MB/s. The ADATA data behind the sheet gives no test tool or host. Base value is the 2TB model
Sequential write (claimed)
6,800MB/s2Press releaseguru3d.com/story/adata-legend-960-pcie-gen4-x4-m-2-2280-solid-state-driveRead 15 October 2026Same sentence as read speed. Base value is the 2TB model5Spec databaseshop.aodatacloud.es/medias/datasheet_aleg-960-2tcs.pdfRead 15 October 20262TB sheet: write speed 6800 MB/s. The 1TB sheet says 6000 MB/s
Random 4K read (claimed)
750,000IOPS2Press releaseguru3d.com/story/adata-legend-960-pcie-gen4-x4-m-2-2280-solid-state-driveRead 15 October 20264K random read/write of up to 750K/630K IOPS, the 2TB figures. The release gives no queue depth or threads. Base value is the 2TB model5Spec databaseshop.aodatacloud.es/medias/datasheet_aleg-960-2tcs.pdfRead 15 October 20262TB sheet: random read 4KB 750000 IOPS. The 1TB sheet says 730000. Queue depth is not given
Random 4K write (claimed)
630,000IOPS2Press releaseguru3d.com/story/adata-legend-960-pcie-gen4-x4-m-2-2280-solid-state-driveRead 15 October 2026Same sentence as random read. Base value is the 2TB model5Spec databaseshop.aodatacloud.es/medias/datasheet_aleg-960-2tcs.pdfRead 15 October 20262TB sheet: random write 4KB 630000 IOPS. The 1TB sheet says 610000
Endurance and reliability
3 of 3 differ
Endurance (TBW)
1,560TB3Press articletomshardware.com/news/adata-legend-960-ssd-pc-ps5Read 15 October 2026Adata claims an endurance rating of 1,560 terabytes written, the 2TB figure. Base value is the 2TB model5Spec databaseshop.aodatacloud.es/medias/datasheet_aleg-960-2tcs.pdfRead 15 October 20262TB sheet: TBW rating 1560. The 1TB sheet says 780
MTBF or MTTF (claimed)
2,000,000h3Press articletomshardware.com/news/adata-legend-960-ssd-pc-ps5Read 15 October 2026News of 2022-08-02 on the ADATA announcement: endurance of 1,560 TBW and an MTBF of 2 million hours with a 5-year warranty. The maker's MTBF is the same for all capacities in Icecat's 1TB and 2TB sheets4Spec databaseshop.aodatacloud.es/medias/datasheet_aleg-960-1tcs.pdfRead 15 October 2026Mean time between failures 2,000,000 h
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
AES 256-bit hardware encryption2Press releaseguru3d.com/story/adata-legend-960-pcie-gen4-x4-m-2-2280-solid-state-driveRead 15 October 2026LDPC and AES 256-bit encryption. Icecat's sheet lists hardware encryption with 256-bit AES
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.
Software
Compatibility
1 of 1 differ
Platforms
Dimensions and weight
2 of 2 differ
Dimensions
Length80Width22Height3.13mm(3.1 × 0.9 × 0.1 in)4Spec databaseshop.aodatacloud.es/medias/datasheet_aleg-960-1tcs.pdfRead 15 October 2026Width 22 mm, depth 80 mm, height 3.13 mm. The cooling type row reads heatsink. FPS Review prints ADATA's size as 80 x 22 x 3.13 mm with the heatsink and 80 x 22 x 2.15 mm without. The drive is stored with its heatsink since one is in the box8Reviewthefpsreview.com/2022/10/04/adata-legend-960-1tb-gen4-x4-m-2-ssd-reviewRead 15 October 2026Review of the 1TB ALEG-960-1TCS, 2022-10-04: the size is 80x22x3.13mm with the heatsink and 80x22x2.15mm without
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
Weight
11g(0.4 oz)4Spec databaseshop.aodatacloud.es/medias/datasheet_aleg-960-1tcs.pdfRead 15 October 2026Weight 11 g. FPS Review prints 11 g with the heatsink and 8 g without8Reviewthefpsreview.com/2022/10/04/adata-legend-960-1tb-gen4-x4-m-2-ssd-reviewRead 15 October 2026It weighs 11g with the heatsink and 8g without
In the box
1 of 2 differ
In the box
Not available
Cables included
Not available
Not available
Links
Not compared
Product page
www.adata.com/en/consumer/category/ssds/solid-state-drives-legend-9601Maker product pageadata.com/en/consumer/category/ssds/solid-state-drives-legend-960Read 15 October 2026ADATA's LEGEND 960 product page. adata.com answered 403 to every request in all regional versions tried, so no value was read from it and no data sheet was opened. The maker's figures come from the launch press release and from spec sheets that copy ADATA's data
Spec sheet
Not available
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
Manual
Not available
Not available
EPREL registration number
Not available
Not available
Warranty
0 of 1 differ
Manufacturer warranty (source market)


















