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Sandisk Optimus GX 7100 vs XPG GAMMIX S70 BLADE

A

Product A: Sandisk

Optimus GX 7100

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B

Product B: XPG

GAMMIX S70 BLADE

31 of 63 known

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Only differences

ASandisk Optimus GX 7100

BXPG GAMMIX S70 BLADE

General

5 of 9 differ

Series

Optimus GX2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssdRead 14 October 2026Maker line name is SANDISK Optimus GX, model 7100

GAMMIX1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026The sheet is titled XPG GAMMIX S70 BLADE. XPG sells the GAMMIX line of gaming SSDs

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

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

AGAMMIXS70B-512G-CS, AGAMMIXS70B-1T-CS, AGAMMIXS70B-2T-CS, AGAMMIXS70B-4T-CS, AGAMMIXS70B-8000G-CS1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Ordering information: AGAMMIXS70B-8000G-CS, AGAMMIXS70B-4T-CS, AGAMMIXS70B-2T-CS, AGAMMIXS70B-1T-CS and AGAMMIXS70B-512G-CS

GTIN / EAN

Not available

4711085936219, 4711085933065, 4711085933072, 4711085937858, 47110859455251Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Ordering information EAN Code column: 4711085945525 (8000GB), 4711085937858 (4TB), 4711085933072 (2TB), 4711085933065 (1TB), 4711085936219 (512GB)

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

Not available

2 April 20214Press articleguru3d.com/story/adata-xpg-unveils-xpg-gammix-s70-blade-pcie-gen4x4-m-2-ssdRead 15 October 2026Guru3D, published 2021-04-02: ADATA announces the XPG GAMMIX S70 BLADE with 1TB and 2TB models, 80 x 22 x 4.3 mm, 10 g, 5-year warranty

Status

Available2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssdRead 14 October 2026Listed for sale on sandisk.com in 500GB, 1TB, 2TB and 4TB

Available8Retailer pagebuildcores.com/products/Storage/59iu5f951/ADATA-XPG-GAMMIX-S70-Blade-1TB-SSD-M.2-2280-PCIe-4.0-x4-NVMeRead 15 October 2026BuildCores listed the 1TB model as in stock on several US shops on 2026-10-15.

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.

$139.995Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-reviewRead 14 October 2026Spec table pricing row: 500GB $54.99, 1TB $84.99, 2TB $139.99 at review time, 12 March 2025. These match the review's launch coverage. No launch MSRP found for the 4TB, which came after launch

From $139.991Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 20265Reviewthessdreview.com/our-reviews/nvme/xpg-gammix-s70-blade-reviewRead 15 October 20266Reviewaphnetworks.com/reviews/xpg-gammix-s70-blade-1tb/2Read 15 October 2026

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

Black2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssdRead 14 October 2026

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 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

M.2 22801Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Form Factor: M.2 2280

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.

500 GB, 1 TB, 2 TB, 4 TB1Maker 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

512 GB, 1,024 GB, 2,048 GB, 4,096 GB, 8 TB1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Capacities line: 512GB / 1TB(1024GB) / 2TB(2048GB) / 4TB(4096GB) / 8TB(8000GB). XPG prints 1024, 2048 and 4096 GB for the TB models and 8000 GB for the top model, so those literal GB values are stored. The 2048GB model is the base

Interface

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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 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 2026PCIe 4.0 x4 NVMe 2.0. Footnote says it is backwards compatible with PCIe 3.0 x4, 3.0 x2, 3.0 x1 and lower

PCIe NVMe1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Interface: PCIe Gen4 x4. XPG also states backward compatibility with PCIe 3.0 in its press material

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 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

41Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026PCIe Gen4 x4

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

41Maker 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

41Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026PCIe Gen4 x4

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

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

1.41Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Compliant with NVMe 1.4

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

Not available

Not available

Hardware

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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.

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

InnoGrit IG52361Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Controller: Innogrit IG5236. The November 2021 sheet reads IG5236A1. Stored as InnoGrit IG5236 like the Acer Predator GM7000

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.

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 2026

TLC5Reviewthessdreview.com/our-reviews/nvme/xpg-gammix-s70-blade-reviewRead 15 October 2026Review, 2021-09-09: four Micron 176-layer 3D NAND TLC packages, two on each side, plus two DDR4 DRAM chips. XPG states only 3D NAND, so the flash maker and layer count are not stored (see the APH Networks note)6Reviewaphnetworks.com/reviews/xpg-gammix-s70-blade-1tb/2Read 15 October 2026APH Networks 1TB review, page 2: Micron 3D TLC flash chips on both sides, two Samsung DDR4 chips, InnoGrit Rainier IG5236 controller. APH calls the flash 96-layer, while TheSSDReview, HotHardware and TweakTown call it 176-layer. Because the layer count conflicts and later production may use other flash, flash maker and layers are left out

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

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

Not available

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

2185Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-reviewRead 14 October 2026218 layers

Not available

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)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

DRAM1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Feature list: SLC Caching and DRAM cache buffer. The sheet gives no DRAM size

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-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

Not available

Performance

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

7,250MB/s1Maker 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 2026Product specifications table. Sequential 1MB at queue depth 8, 1 thread, up to. 6,800, 7,250, 7,250 and 7,000 MB/s for 500GB, 1TB, 2TB and 4TB. Based on internal testing, host not named

7,400MB/s1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Performance table, Sequential Performance (Up to) read: 7,200 (512GB), 7,400 (1TB), 7,400 (2TB), 7,400 (4TB) and 7,300 MB/s (8000GB). Footnote: MSI X570 GAMING PLUS board, AMD Ryzen 7 3700X, results vary with the test platform. The sheet does not name the test tool, while the XPG page names CrystalDiskMark 7.0.0 on an ASRock X570 Taichi. The Ordering row says up to 7,400/6,800 MB/s for PC and laptop. Base value is the 2TB model

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

6,900MB/s1Maker 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 20265,800, 6,900, 6,900 and 6,700 MB/s for 500GB, 1TB, 2TB and 4TB

6,800MB/s1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Sequential Performance (Up to) write: 2,600 (512GB), 5,500 (1TB), 6,800 (2TB), 6,600 (4TB) and 6,300 MB/s (8000GB). Base value is the 2TB model

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 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 2026Random 4KB at queue depth 32, 16 threads, up to. 760K, 1M, 1M and 900K IOPS by capacity

750,000IOPS1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 20264K Random (Up to) read: 425K (512GB), 740K (1TB) and 750K (2TB, 4TB and 8000GB) IOPS. The sheet names no queue depth. The sheet's spec list reads 4K random read/write IOPS (Max.): 750K/750K

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.

1,400,000IOPS1Maker 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 20261.2M, 1.4M, 1.4M and 1.35M IOPS by capacity, same test settings

750,000IOPS1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 20264K Random (Up to) write: 510K (512GB), 740K (1TB), 750K (2TB and 4TB) and 650K (8000GB) IOPS

Endurance and reliability

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

1,200TB1Maker 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 2026300, 600, 1,200 and 2,400 TBW by capacity, JEDEC client workload JESD219. Warranty is 5 years or the TBW, whichever comes first

1,480TB1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026TBW column: 370 (512GB), 740 (1TB), 1480 (2TB), 2960 (4TB) and 5920 TB (8000GB). Footnote: the value is the minimum amount of terabytes written that could be reached. Base value is the 2TB model

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.

1,750,000h1Maker 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 2026Published as MTTF up to 1.75M hours, from internal Telcordia SR-332 stress testing at 25 C. It is not an MTBF

2,000,000h1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026MTBF: 2,000,000 hours for all capacities

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

Min0Max85°C1Maker 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 20260 to 85 C as reported by the drive. The non-operating range is not stored

Min0Max70°C1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Operating Temperature: 0 C to 70 C

Power

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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.

3.7W1Maker 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 2026Average active power read, IOMeter 1.1.0 burst sequential read, 10 second moving average. 3.4, 3.4, 3.7 and 4.1 W by capacity

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.

3.9W1Maker 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 2026Average active power write, same method. 3.5, 3.7, 3.9 and 4.0 W by capacity

Not available

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.

Not available

Not available

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.

Not available

Not available

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.

Not available

Not available

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

5mW1Maker 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 2026Sleep (PS4), 5 mW at every capacity. The datasheet lists no idle figure

Not available

Measured

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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.

7,201MB/s8Reviewservethehome.com/wd-black-sn7100-2tb-nvme-ssd-review/2Read 14 October 20262TB, CrystalDiskMark 8.0.4 x64, 1GiB test size, five runs, SEQ1M Q8T1 read 7,200.55 MB/s. The screenshot shows the drive as C: with 64% used (1192 of 1863 GiB). Values read from the CrystalDiskMark screenshot. The 8GB test shows a large write drop

Not available

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

5,855MB/s8Reviewservethehome.com/wd-black-sn7100-2tb-nvme-ssd-review/2Read 14 October 2026SEQ1M Q8T1 write 5,855.22 MB/s, same run

Not available

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.

106.78MB/s8Reviewservethehome.com/wd-black-sn7100-2tb-nvme-ssd-review/2Read 14 October 2026RND4K Q1T1 read 106.78 MB/s, same screenshot

Not available

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.

287.89MB/s8Reviewservethehome.com/wd-black-sn7100-2tb-nvme-ssd-review/2Read 14 October 2026RND4K Q1T1 write 287.89 MB/s, same screenshot

Not available

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

Not available

Not available

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.

2,860MB/s6Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-review/2Read 14 October 20262TB, 15-minute Iometer sequential write. About 6.5 GB/s in SLC mode, then TLC mode with writing around 2.86 GB/s, then about 850 MB/s in a semi-folding state. The TLC mode figure is stored. Intel Core i9-12900K, Asus ROG Maximus Z790 Hero, drive prefilled to 50%, tested as a secondary device. ServeTheHome's 800 MB/s is its lowest steady point, a different state.

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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.

64°C6Reviewtomshardware.com/pc-components/ssds/wd-black-sn7100-ssd-review/2Read 14 October 20262TB bare drive. Maximum 64 C during testing, usually under 60 C. Primary composite sensor, about 22 C ambient, active cooling unless noted, Intel Core i9-12900K on Asus ROG Maximus Z790 Hero, drive prefilled to 50% and tested as a secondary device. The review does not say a heatsink was fitted. ServeTheHome logged a 59 C peak without a heatsink or active cooling with HWMonitor

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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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Cooling and build

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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 heatsink1Maker 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 2026Bare M.2 2280 module, 2.38 mm thick, and the datasheet and product page list no heatsink version

With heatsink1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026The sheet lists dimensions with and without the heatsink, but the ordering list has one model per capacity. Funky Kit and Tom's Hardware say the retail pack has the thin aluminum heatsink. Only the heatsink version is sold, so the base is the heatsink drive

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

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

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.

AES 256-bit hardware encryption1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Features list: AES 256-bit encryption support. Tom's Hardware describes it as AES 256-bit hardware encryption

Software

SanDisk Dashboard1Maker 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 2026Featured software: SANDISK Dashboard (Windows only) and Acronis True Image for SANDISK

ADATA SSD ToolBox3Maker product pagexpg.com/us/xpg/830Read 15 October 2026Description tab: SSD Toolbox. XPG's FAQ calls it ADATA's SSD ToolBox. The tab also lists NVMe 1.4, Dynamic SLC Caching with DRAM Cache Buffer, AES 256-bit encryption, Works with PS5 and a 5-year warranty7Reviewfunkykit.com/reviews/storage/adata-xpg-gammix-s70-blade-2tb-m-2-pcie-4-0-ssd-review/2Read 15 October 2026Funky Kit 2TB review, page 2: ADATA provides the SSD ToolBox software for diagnostics, performance checks, optimisation, firmware updates and cloning. The pack contains the SSD and a thin aluminum heat sink

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.

Windows2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssdRead 14 October 2026Compatibility row reads Windows 10+, PCIe 4.0 x4 interface, M.2 2280 port. No PS5 or handheld claim on the page

PC (no OS named), PS51Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Features list: R/W speed up to 7,400/6,800MB/s for PC/laptop, Work with PS5, read speed up to 6,300MB/s for PS5 (6,100 for 512GB to 2TB and 8000GB). The drive ships with its heatsink, which a PS5 needs. The sheet names no operating system

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.

Length80Width22Height2.38mm(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

Length80Width22Height4.3mm(3.1 × 0.9 × 0.2 in)1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Dimensions (L x W x T): 80 x 22 x 4.3 mm with heatsink and 80 x 22 x 3.3 mm without

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.

5.8g(0.2 oz)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 20265.8 g for 500GB to 4TB, plus or minus 1 g

11g(0.4 oz)1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Weight: 11 g / 0.39 oz with heat sink and 7 g without. The 2021 sheets list 10 g with heatsink. The newest sheet is stored

In the box

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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

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Cables includediCables supplied with an external drive.

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Links

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Product page

www.sandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssd2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-7100-internal-nvme-ssdRead 14 October 2026

www.xpg.com/us/xpg/8302Maker product pagexpg.com/us/xpg/830Read 15 October 2026XPG US product page for the GAMMIX S70 BLADE. Its spec tab (read on the UK path) agrees with the 2024 sheet: IG5236 controller, 7,400/6,800 MB/s, 750K/750K IOPS, 80 x 22 x 4.3 mm with heatsink, 11 g, MTBF 2,000,000 hours, 5-year limited warranty and 1,480 TB for the 2TB model. Its capacity row still reads 1TB / 2TB and is older than the sheet. The claims were tested on an ASRock X570 Taichi with a Ryzen 7 5800X and CrystalDiskMark 7.0.0

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

regard.ru/api/site/files/goodspdf/download/8441Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026XPG GAMMIX S70 BLADE spec sheet, PDF created 2024-05-31, hosted by the retailer Regard. It lists 512GB, 1TB, 2TB, 4TB and 8000GB. The 2021 sheets on cdn.iceshop.nl list only 1TB and 2TB (March 2021, 7400/6400 MB/s) or 512GB to 2TB (November 2021). The newest sheet is used

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

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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 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

5years1Maker spec sheet (PDF)regard.ru/api/site/files/goodspdf/download/844Read 15 October 2026Warranty: 5-year limited. The sheet names no market

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