SSDs / Compare

Sandisk Optimus GX PRO 850X vs XPG GAMMIX S70 BLADE

A

Product A: Sandisk

Optimus GX PRO 850X

48 of 63 known

Change Sandisk Optimus GX PRO 850X

Compare the XPG GAMMIX S70 BLADE with

Search SSDs

B

Product B: XPG

GAMMIX S70 BLADE

31 of 63 known

Change XPG GAMMIX S70 BLADE

Compare the Sandisk Optimus GX PRO 850X with

Search SSDs

All 63 fields

Every value links to where we found it.

Only differences

ASandisk Optimus GX PRO 850X

BXPG GAMMIX S70 BLADE

General

5 of 9 differ

Series

Optimus GX PRO4Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850x-internal-nvme-ssdRead 14 October 2026Maker line name is SANDISK Optimus GX PRO

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.

SDSP81100TAN-000E0, SDSP81100TAN, WDS100T2X0E, SDSP81200TAN-000E0, SDSP81200TAN, WDS200T2X0E, SDSP81400TAN-000E0, SDSP81400TAN, WDS400T2X0E, SDSP81800TAN-000E0, SDSP81800TAN, WDS800T2X0E, SDSP81100TAH-000E0, SDSP81100TAH, WDS100T2XHE, SDSP81200TAH-000E0, SDSP81200TAH, WDS200T2XHE, SDSP81400TAH-000E0, SDSP81400TAH, WDS400T2XHE, SDSP81800TAH-000E0, SDSP81800TAH, WDS800T2XHE1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Bare drive models SDSP81100TAN, SDSP81200TAN, SDSP81400TAN and SDSP81800TAN2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-heatsink-ssd.pdfRead 14 October 2026Heatsink models SDSP81100TAH, SDSP81200TAH, SDSP81400TAH and SDSP81800TAH3Maker 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-sn850x-nvme-ssd.pdfRead 14 October 2026Earlier WD_BLACK SN850X model numbers: WDS100T2X0E, WDS200T2X0E, WDS400T2X0E, WDS800T2X0E (without heatsink) and WDS100T2XHE, WDS200T2XHE, WDS400T2XHE, WDS800T2XHE (with heatsink). Same hardware under the old name. Sandisk's own page lists the Optimus numbers4Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850x-internal-nvme-ssdRead 14 October 2026SKUs SDSP81100TAN-000E0, SDSP81200TAN-000E0, SDSP81400TAN-000E0, SDSP81800TAN-000E0 and SDSP81100TAH-000E0, SDSP81200TAH-000E0, SDSP81400TAH-000E0, SDSP81800TAH-000E0

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

619659231972, 619659231965, 619659231958, 619659231941, 619659232016, 619659232009, 619659231996, 6196592319894Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850x-internal-nvme-ssdRead 14 October 2026UPC in the page data: 619659231972 (1TB), 619659231965 (2TB), 619659231958 (4TB), 619659231941 (8TB) without heatsink. 619659232016 (1TB), 619659232009 (2TB), 619659231996 (4TB), 619659231989 (8TB) with heatsink

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.

9 May 20225Press articlestoragereview.com/news/western-digital-announces-new-wd_black-gaming-ssdsRead 14 October 2026Announced at Western Digital's What's Next event, article dated 9 May 2022, as the WD_BLACK SN850X. Sandisk renamed the drive Optimus GX PRO 850X in 2026 with no technical change

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

Available4Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850x-internal-nvme-ssdRead 14 October 2026Product page lists eight SKUs for sale: four capacities, with and without a heatsink

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.

$289.995Press articlestoragereview.com/news/western-digital-announces-new-wd_black-gaming-ssdsRead 14 October 2026Western Digital's release says 1TB, 2TB and 4TB start at $189.99 (U.S. MSRP). Launch-day coverage and the Tom's Hardware review table list $159.99 for 1TB, so the May figure is not stored6Press articlepcgamesn.com/wd/black-sn850x-release-priceRead 14 October 2026Launches at $159.99 for the starting model (1TB), US7Reviewtomshardware.com/reviews/wd-black-sn850x-ssd-review-back-in-blackRead 14 October 2026Specifications table pricing, US, without and with heatsink: 1TB $159.99 / $179.99, 2TB $289.99 / $309.99, 4TB $699.99. Review text calls it the launch pricing and MSRP. 4TB had no heatsink version at launch9Reviewtomshardware.com/pc-components/ssds/wd-black-sn850x-8tb-ssd-review-the-no-compromise-8tb-championRead 14 October 2026Specifications table pricing for 8TB: $849.99 without and $899.99 with heatsink, US. Review published 16 October 202414Press articleguru3d.com/story/western-digital-releases-8tb-variant-of-wd-black-sn850x-ssd-atRead 14 October 20268TB launch coverage dated 16 July 2024: $849 without a heatsink (WDS800T2X0E) and $899 with a PS5-compatible heatsink (WDS800T2XHE). IT Home reports $849.99 and $50 more for the heatsink

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.

From €539.991Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 20262Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-heatsink-ssd.pdfRead 14 October 20263Maker 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-sn850x-nvme-ssd.pdfRead 14 October 20264Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850x-internal-nvme-ssdRead 14 October 20267Reviewtomshardware.com/reviews/wd-black-sn850x-ssd-review-back-in-blackRead 14 October 20269Reviewtomshardware.com/pc-components/ssds/wd-black-sn850x-8tb-ssd-review-the-no-compromise-8tb-championRead 14 October 202610Reviewtomshardware.com/pc-components/ssds/wd-black-sn850x-8tb-ssd-review-the-no-compromise-8tb-champion/2Read 14 October 202611Reviewkitguru.net/components/ssd-drives/simon-crisp/wd-black-sn850x-with-heatsink-2tb-ssd-review/all/1Read 14 October 202614Press articleguru3d.com/story/western-digital-releases-8tb-variant-of-wd-black-sn850x-ssd-atRead 14 October 202615Press articlechannelpartner.de/article/3902358/western-digital-verdoppelt-kapazitaet-seiner-gaming-ssds.htmlRead 14 October 2026

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

Not available

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-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Form factor row reads M.2 2280-S3-M for 1TB and 2TB and M.2 2280-D5-M for 4TB and 8TB4Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850x-internal-nvme-ssdRead 14 October 2026Form Factor reads M.2 2280 S3-M for 1TB and 2TB and M.2 2280 D5-M for 4TB and 8TB

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.

1 TB, 2 TB, 4 TB, 8 TB1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 20261GB = 1 billion bytes and 1TB = 1 trillion bytes. Capacities 1TB, 2TB, 4TB and 8TB4Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850x-internal-nvme-ssdRead 14 October 20261TB, 2TB, 4TB, 8TB

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

0 of 5 differ

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-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Interface row reads PCIe 4.0 x4 NVMe 1.4. Footnote 11: backwards compatible with PCIe 3.0 x4, 3.0 x2, 3.0 x1, 2.0 x4, 2.0 x2 and 2.0 x1

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-pro/data-sheet-optimus-gx-pro-850x-internal-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-pro/data-sheet-optimus-gx-pro-850x-internal-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.

1.41Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Interface row reads PCIe 4.0 x4 NVMe 1.4

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

5 of 7 differ

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 in-house7Reviewtomshardware.com/reviews/wd-black-sn850x-ssd-review-back-in-blackRead 14 October 2026Table reads WD Proprietary. Text: updated version of the SN850 controller, still eight-channel. Maker names no controller9Reviewtomshardware.com/pc-components/ssds/wd-black-sn850x-8tb-ssd-review-the-no-compromise-8tb-championRead 14 October 2026Controller code A101-000292-B2 on the 8TB and 20-82-20035-V2 on the original. Review says SanDisk technology, an update with a higher bus rate11Reviewkitguru.net/components/ssd-drives/simon-crisp/wd-black-sn850x-with-heatsink-2tb-ssd-review/all/1Read 14 October 2026Review calls it an 8-channel Gen 4 WD controller, probably an updated version of the in-house G2 controller. Part code 20-82-20035-B213Reviewthessdreview.com/our-reviews/nvme/wd_black-sn850x-gen4-8tb-ssd-reviewRead 14 October 2026Review of the 8TB calls it a SanDisk in-house Gen 4 8-channel SSD controller

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-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026NAND row reads SANDISK TLC 3D NAND. The datasheet names the flash only as SANDISK BiCS TLC 3D NAND, with no generation

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 BiCS5 TLC7Reviewtomshardware.com/reviews/wd-black-sn850x-ssd-review-back-in-blackRead 14 October 2026Table reads 112-Layer BiCS5 TLC for 1TB, 2TB and 4TB. Sandisk's datasheet names only BiCS TLC9Reviewtomshardware.com/pc-components/ssds/wd-black-sn850x-8tb-ssd-review-the-no-compromise-8tb-championRead 14 October 20268TB table row reads Kioxia 162-Layer TLC (BiCS6), with 112-layer BiCS5 on 1TB to 4TB. Decoded from the flash marking. The review says BiCS6 may reach the smaller capacities later

Not available

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

1127Reviewtomshardware.com/reviews/wd-black-sn850x-ssd-review-back-in-blackRead 14 October 2026112 layers, BiCS5, for 1TB, 2TB and 4TB9Reviewtomshardware.com/pc-components/ssds/wd-black-sn850x-8tb-ssd-review-the-no-compromise-8tb-championRead 14 October 2026162 layers for the 8TB

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.

DRAM1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026DRAM cache row reads Yes. The datasheet gives no size4Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850x-internal-nvme-ssdRead 14 October 2026DRAM Cache: Yes

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.

2GB7Reviewtomshardware.com/reviews/wd-black-sn850x-ssd-review-back-in-blackRead 14 October 20262TB sample: DRAM module D9XPG, a 16Gb DDR4 module from Micron with 16-bit width, 2GB of memory. Other capacities not stated11Reviewkitguru.net/components/ssd-drives/simon-crisp/wd-black-sn850x-with-heatsink-2tb-ssd-review/all/1Read 14 October 20262TB sample has a 2GB DDR4 cache chip

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-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Module code in the form factor row: S means single-sided and D means double-sided. 1TB and 2TB are 2280-S3-M, 4TB and 8TB are 2280-D5-M4Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850x-internal-nvme-ssdRead 14 October 2026S3-M for 1TB and 2TB, D5-M for 4TB and 8TB7Reviewtomshardware.com/reviews/wd-black-sn850x-ssd-review-back-in-blackRead 14 October 2026Review calls the drive single-sided (2TB bare sample) and says 1Tb dies were needed to keep the 4TB single-sided. Sandisk's module code reads D5-M (double-sided) for 4TB, which is stored9Reviewtomshardware.com/pc-components/ssds/wd-black-sn850x-8tb-ssd-review-the-no-compromise-8tb-championRead 14 October 2026Review says the 8TB and the 4TB are both double-sided

Not available

Performance

4 of 4 differ

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

7,300MB/s1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Up to 7,300 MB/s for 1TB, 2TB and 4TB and 7,200 MB/s for 8TB. Sequential read 1MB at queue depth 8, 1 thread. 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.

6,600MB/s1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Up to 6,300 MB/s (1TB) and 6,600 MB/s (2TB, 4TB, 8TB). Queue depth 8, 1 thread. Internal testing, so inside the fast write cache

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.

1,200,000IOPS1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Random read 4KB up to 800K (1TB) and 1.2M (2TB, 4TB, 8TB). Queue depth 32, 16 threads. 1.2M is 1200000

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.

1,100,000IOPS1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Random write 4KB up to 1.1M (1TB, 2TB, 4TB) and 1.2M (8TB). Queue depth 32, 16 threads

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

3 of 3 differ

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-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026600 TB (1TB), 1,200 TB (2TB), 2,400 TB (4TB), 4,800 TB (8TB). JEDEC client workload JESD219. Warranty is 5 years or the TBW limit, 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-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Published as MTTF up to 1.75M hours, Telcordia SR-332 stress testing at 25 C. Stored as 1750000

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-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 202632 to 185 F (0 to 85 C), as reported by the drive. The non-operating range of -40 to 85 C 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

3 of 6 differ

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.

7.5W1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Average Power Read: 7.2 W (1TB), 7.5 W (2TB), 8 W (4TB), 6.7 W (8TB). Footnote 3: IOMeter 1.1.0 during a burst sequential read, moving average over 10 seconds

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.

7W1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Average Power Write: 6.2 W (1TB), 7 W (2TB), 7.2 W (4TB), 8 W (8TB). Same method as read

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-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Sleep (PS4) 5 mW on every capacity

Not available

Measured

7 of 9 differ

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.

7,377MB/s11Reviewkitguru.net/components/ssd-drives/simon-crisp/wd-black-sn850x-with-heatsink-2tb-ssd-review/all/1Read 14 October 20262TB with heatsink sample (WDS200T2XHE), CrystalDiskMark 8.0.4 default profile (NVMe settings), SEQ1M Q8T1 read 7377.06 MB/s. AMD Ryzen 5 3600X, MSI MPG X570 Gaming Edge Wifi, drive wiped with HDDerase v4, 1GiB test size, 5 runs. The result goes in the heatsink 2TB row, which is the tested drive, and in the base as the 2TB result

Not available

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

6,688MB/s11Reviewkitguru.net/components/ssd-drives/simon-crisp/wd-black-sn850x-with-heatsink-2tb-ssd-review/all/1Read 14 October 2026SEQ1M Q8T1 write 6687.54 MB/s, same run. The review text quotes 6,696 MB/s with the 0 fill profile, which is not stored

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.

86.74MB/s11Reviewkitguru.net/components/ssd-drives/simon-crisp/wd-black-sn850x-with-heatsink-2tb-ssd-review/all/1Read 14 October 2026RND4K Q1T1 read 86.74 MB/s, same default run, read from the CrystalDiskMark screenshot and confirmed in the review text

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.

267.88MB/s11Reviewkitguru.net/components/ssd-drives/simon-crisp/wd-black-sn850x-with-heatsink-2tb-ssd-review/all/1Read 14 October 2026RND4K Q1T1 write 267.88 MB/s, same run

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.

Not available

Not available

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.

3,962points12Reviewstoragereview.com/review/sandisk-wd_black-sn8100-review-elite-performance-in-a-gen5-ssdRead 14 October 2026WD SN850X 2TB overall score 3,962 in the 3DMark Storage table of the SN8100 review dated 13 May 2025. AMD Ryzen 7 9800X3D, Asus ROG Crosshair X870E Hero, G.Skill DDR5-6000, RTX 4090, Windows 11 Pro. The review does not say if the sample had a heatsink, so it is placed in the bare 2TB row

Not available

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.

85°C8Reviewtomshardware.com/reviews/wd-black-sn850x-ssd-review-back-in-black/3Read 14 October 20262TB, bare drive, tested without a heatsink or extra airflow. Writing the entire cache (15-minute Iometer sequential write) got the S.M.A.R.T. reported temperature into a throttling range between 78 and 85 C, so the top of the range is stored. Idle was 48 C. Intel Core i9-11900K, ASRock Z590 Taichi, Windows 10 Pro, drive prefilled to 50% and tested as a secondary device10Reviewtomshardware.com/pc-components/ssds/wd-black-sn850x-8tb-ssd-review-the-no-compromise-8tb-champion/2Read 14 October 20268TB, bare non-heatsink drive: maximum 68 C on the primary composite sensor, about 22 C ambient, active cooling unless noted. Intel Core i9-12900K, Asus ROG Maximus Z790 Hero, Windows 11 Pro, drive prefilled to 50%, tested as a secondary drive. Stored in the 8TB row

Not available

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".

1,124mW8Reviewtomshardware.com/reviews/wd-black-sn850x-ssd-review-back-in-black/3Read 14 October 20262TB, bare. Quarch HD Programmable Power Module, idle power with ASPM/LPM disabled: 1,124 mW with Game Mode off and 1,052 mW with Game Mode on. Game Mode off is stored. Value printed on the chart. The review also says the cache is almost 600 GB and the post-cache speed is below 2,000 MB/s on a chart, which are not stored as exact numbers10Reviewtomshardware.com/pc-components/ssds/wd-black-sn850x-8tb-ssd-review-the-no-compromise-8tb-champion/2Read 14 October 20268TB, Quarch idle power with ASPM/LPM disabled: 1,085 mW, printed on the chart. Stored in the 8TB row

Not available

Cooling and build

2 of 4 differ

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 heatsink, With heatsink1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026This datasheet covers the bare drives. Heatsink versions have their own datasheet2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-heatsink-ssd.pdfRead 14 October 2026Datasheet title reads SANDISK Optimus GX PRO 850X with Heatsink3Maker 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-sn850x-nvme-ssd.pdfRead 14 October 2026All capacities have an optional 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.

Yes3Maker 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-sn850x-nvme-ssd.pdfRead 14 October 2026Dashboard text: customize your RGB lighting (heatsink versions only). The Optimus datasheets do not mention RGB7Reviewtomshardware.com/reviews/wd-black-sn850x-ssd-review-back-in-blackRead 14 October 2026Optional heatsink with RGB for the 1TB and 2TB models

Not available

Dust and water ratingiPublished IP rating of an external drive.

Not available

Not available

Drop test heightiMaker-published tested height. Surface and conditions are in the source note.

Not available

Not available

Security and software

2 of 2 differ

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

TCG Opal 2.01Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Security row reads TCG OPAL 2.01. Footnote: requires motherboard BIOS or third-party software to enable

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-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Featured software row reads SANDISK Dashboard (Windows only) and Acronis True Image for SANDISK software

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

1 of 1 differ

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.

Windows, PS52Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-heatsink-ssd.pdfRead 14 October 2026The heatsink text reads compatible with PS5 and PS5 Pro consoles. The PS5 line is for the heatsink models only, the bare drive is listed for Windows3Maker 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-sn850x-nvme-ssd.pdfRead 14 October 2026System compatibility row reads Windows 10+ and PlayStation 5 (heatsink model only)4Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850x-internal-nvme-ssdRead 14 October 2026Compatibility reads Windows 10+, PCIe 4.0 x4 interface and M.2 2280 port. The heatsink text reads compatible with PS5 and PS5 Pro

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

2 of 2 differ

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-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Bare drive, length 80 mm and width 22 mm for all capacities. Height 2.38 mm for 1TB and 2TB, 3.88 mm for 4TB and 8TB. Footnote 8: length and width vary by +/-0.15 mm. Base is the 2TB bare drive2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-heatsink-ssd.pdfRead 14 October 2026Heatsink models, rounded: 80 x 23 x 8.90 mm for 1TB and 2TB, 80 x 24 x 10.31 mm for 4TB and 8TB. The WD_BLACK SN850X datasheet gives 23.40 and 24.46 mm widths, which are stored3Maker 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-sn850x-nvme-ssd.pdfRead 14 October 2026Heatsink models: 80 +/-0.20 x 23.40 +/-0.40 x 8.90 +/-0.40 mm for 1TB and 2TB, 80 +/-0.20 x 24.46 +/-0.48 x 10.31 +/-0.50 mm for 4TB and 8TB. Bare drives 80 x 22 x 2.38 mm (1TB, 2TB) and 3.88 mm (4TB, 8TB)

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.

7.5g(0.3 oz)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 20267.5 g for 1TB and 2TB and 8.6 g for 4TB and 8TB. Footnote 8: weight varies by +/-1 g2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-heatsink-ssd.pdfRead 14 October 202624 g for 1TB and 2TB and 30.4 g for 4TB and 8TB, heatsink models3Maker 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-sn850x-nvme-ssd.pdfRead 14 October 2026Heatsink models 24 g +/-3 g (1TB, 2TB) and 30.4 g +/-3 g (4TB, 8TB). Bare 7.5 g +/-1 g and 8.6 g +/-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

1 of 2 differ

In the box

SANDISK Optimus GX PRO 850X NVMe SSD4Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850x-internal-nvme-ssdRead 14 October 2026In The Box reads SANDISK Optimus GX PRO 850X NVMe SSD, the same on every SKU

Not available

Cables includediCables supplied with an external drive.

Not available

Not available

Links

Not compared

Product page

www.sandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850x-internal-nvme-ssd4Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850x-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-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdf1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 2026Optimus datasheet, product page link named SANDISK Optimus GX PRO 850X data sheet

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

Not available

Not available

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.

Not available

Not available

Warranty

0 of 1 differ

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-pro/data-sheet-optimus-gx-pro-850x-internal-ssd.pdfRead 14 October 20265 years or the maximum endurance (TBW) limit, whichever occurs first. The datasheet is global and names no market

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.