SSDs / Compare

CORSAIR MP700 PRO XT vs Sandisk Optimus GX PRO 850P

A

Product A: CORSAIR

MP700 PRO XT

44 of 63 known

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B

Product B: Sandisk

Optimus GX PRO 850P

42 of 63 known

Change Sandisk Optimus GX PRO 850P

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Only differences

ACORSAIR MP700 PRO XT

BSandisk Optimus GX PRO 850P

General

4 of 9 differ

Series

MP7006Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026Review calls the drive the latest model of Corsair's Gen 5 MP700 series

Optimus GX PRO2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850p-ps5-nvme-ssdRead 23 October 2026Maker line name is SANDISK Optimus GX PRO

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

CSSD-F10GBMP700PXNH, CSSD-F20GBMP700PXNH, CSSD-F40GBMP700PXNH1Maker product pagecorsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssdRead 14 October 2026SKU on the 2TB page. The capacity selector links the 1TB (CSSD-F10GBMP700PXNH) and 4TB (CSSD-F40GBMP700PXNH) pages. All three were shown out of stock in the Corsair store on 2026-10-14

SDSG81100TAH-000E0, SDSG81100TAH, SDSG81200TAH-000E0, SDSG81200TAH, SDSG81400TAH-000E0, SDSG81400TAH, SDSG81800TAH-000E0, SDSG81800TAH, WDBBYV0010BNC-WRSN, WDBBYV0020BNC-WRSN, WDBBYV0040BNC-WRSN1Maker 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-850p-nvme-ssd.pdfRead 23 October 2026Model numbers SDSG81100TAH, SDSG81200TAH, SDSG81400TAH and SDSG81800TAH. The product page adds the -000E0 suffix. The WD_BLACK SN850P numbers are from the Western Digital data sheet2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850p-ps5-nvme-ssdRead 23 October 2026SKUs SDSG81100TAH-000E0, SDSG81200TAH-000E0, SDSG81400TAH-000E0 and SDSG81800TAH-000E03Maker spec sheet (PDF)cdn.thefpsreview.com/wp-content/uploads/2023/06/WD_BLACK-SN850P-Datasheet.pdfRead 23 October 2026WD_BLACK SN850P NVMe SSD for PS5 consoles data sheet (June 2023, copy hosted by The FPS Review): 1TB WDBBYV0010BNC-WRSN, 2TB WDBBYV0020BNC-WRSN, 4TB WDBBYV0040BNC-WRSN. Same speeds, TBW and 5-year warranty as the Sandisk data sheet. The 8TB model of that line is not in this data sheet and its number is not stored

GTIN / EAN

Not available

619659232054, 619659232047, 619659232030, 6196592320232Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850p-ps5-nvme-ssdRead 23 October 2026UPC in the page data: 619659232054 (1TB), 619659232047 (2TB), 619659232030 (4TB), 619659232023 (8TB)

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

28 October 20253Press articletomshardware.com/pc-components/ssds/corsair-rolls-out-dynamic-duo-of-chart-topping-pcie-5-0-ssds-mp700-pro-xt-for-performance-enthusiasts-and-mp700-micro-for-compact-systemsRead 14 October 2026Article dated 2025-10-28, Corsair announcement. The SSD Review and Igor's Lab published their reviews the same day

7 June 20234Press articlethefpsreview.com/2023/06/08/western-digital-launches-wd_black-sn850p-nvme-ssd-for-ps5-consoles-including-4-tb-version-for-549-99Read 23 October 2026The FPS Review, 8 June 2023: Western Digital launches the WD_BLACK SN850P, available through its web store and participating retailers, 4TB at $549.99. TechRadar and ComputerBase published on 7 June 2023, which is stored

Status

Available3Press articletomshardware.com/pc-components/ssds/corsair-rolls-out-dynamic-duo-of-chart-topping-pcie-5-0-ssds-mp700-pro-xt-for-performance-enthusiasts-and-mp700-micro-for-compact-systemsRead 14 October 2026Retailers still list the drive in 2026 and Amazon US listed the 2TB at $259.99 in the December 2025 review. The Corsair store showed all capacities out of stock on 2026-10-14

Available2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850p-ps5-nvme-ssdRead 23 October 2026Product page lists four capacities. The page prices are current store prices and are not used

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.

$249.993Press articletomshardware.com/pc-components/ssds/corsair-rolls-out-dynamic-duo-of-chart-topping-pcie-5-0-ssds-mp700-pro-xt-for-performance-enthusiasts-and-mp700-micro-for-compact-systemsRead 14 October 2026US launch prices 1TB $159.99, 2TB $249.99, 4TB $459.99. The 2025-12-17 review calls them MSRP. Excl. sales tax4Reviewtomshardware.com/pc-components/ssds/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026Spec table prices $159.99, $249.99, $459.99. Text says this is MSRP

$249.995Press articletechradar.com/news/wd-blacks-latest-ssd-for-ps5-is-here-and-its-not-cheapRead 23 October 2026TechRadar, 7 June 2023: 1TB $159.99, 2TB $249.99, 4TB $549.99, US. Tom's Guide reported $149 and $229 for 1TB and 2TB at the same launch, which differs. Not stated as MSRP, but the launch price of the WD_BLACK SN850P. Sandisk's 2026 Optimus listing prices are higher and are not launch prices of this hardware

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

€221.996Press articlecomputerbase.de/2023-06/wd-black-sn850p-die-sn850x-ssd-kostet-mit-ps5-lizenz-deutlich-mehrRead 23 October 2026ComputerBase, 7 June 2023: the WD_BLACK SN850P is available from the maker's shop at 138.99 EUR (1TB), 221.99 EUR (2TB) and 463.99 EUR (4TB), Germany, including VAT. No euro price found for the 8TB

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 product pagecorsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssdRead 14 October 2026

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-850p-nvme-ssd.pdfRead 23 October 2026Form factor row reads M.2 2280-S3-M for 1TB and 2TB and M.2 2280-D5-M for 4TB and 8TB

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 TB1Maker product pagecorsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssdRead 14 October 2026Capacity selector offers 1 TB, 2 TB and 4 TB. Page footnote says 1 GB is 1 billion bytes

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-850p-nvme-ssd.pdfRead 23 October 20261GB = 1 billion bytes and 1TB = 1 trillion bytes. Capacities 1TB, 2TB, 4TB, 8TB

Interface

2 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 product pagecorsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssdRead 14 October 2026

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-850p-nvme-ssd.pdfRead 23 October 2026Interface row reads PCIe 4.0 x4 NVMe 1.4. Footnote 9: backwards compatible with PCIe 3.0 x4, 3.0 x2, 3.0 x1, 2.0 x4, 2.0 x2 and 2.0 x1

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.

51Maker product pagecorsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssdRead 14 October 2026

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-850p-nvme-ssd.pdfRead 23 October 2026

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

41Maker product pagecorsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssdRead 14 October 2026

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-850p-nvme-ssd.pdfRead 23 October 2026

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

2.01Maker product pagecorsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssdRead 14 October 2026Page says NVMe 2.0 protocol

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-850p-nvme-ssd.pdfRead 23 October 2026Interface row reads PCIe 4.0 x4 NVMe 1.4

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

Not available

Not available

Hardware

4 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.

Phison E284Reviewtomshardware.com/pc-components/ssds/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026Spec table reads Phison E28 for all capacities. Review dated 2025-12-176Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026Phison PS5028-E28, 8-channel, 6 nm9Reviewpcgameshardware.de/SSD-Hardware-255552/Tests/Corsair-MP700-Pro-XT-Phison-Controller-2TB-1485264/4Read 14 October 2026Phison PS5028-E28, firmware ESFM10.1

Sandisk in-house9Reviewtomshardware.com/pc-components/ssds/sandisk-optimus-gx-pro-850p-2tb-ssd-reviewRead 23 October 2026Specifications table reads Sandisk Proprietary for every capacity. The maker names no controller

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 product pagecorsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssdRead 14 October 2026Page says high-density 3D TLC NAND

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-850p-nvme-ssd.pdfRead 23 October 2026NAND row reads SANDISK TLC 3D NAND. The data sheet gives no flash generation or layer count

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

Kioxia/Sandisk BiCS8 TLC4Reviewtomshardware.com/pc-components/ssds/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026Spec table reads Kioxia/Sandisk 218-Layer TLC (BiCS8). The teardown says Kioxia flash in 8Tb (1TB) packages, two NAND packages on the 2TB6Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026

Not available

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

2184Reviewtomshardware.com/pc-components/ssds/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026218 layers, BiCS86Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026BiCS8 218-layer 3D TLC NAND, two 1TB packages on the 2TB

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.

DRAM4Reviewtomshardware.com/pc-components/ssds/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026One SK hynix LPDDR4X package on the 2TB board6Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026

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-850p-nvme-ssd.pdfRead 23 October 2026DRAM cache row reads Yes. The data sheet gives no 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.

2GB2Reviewigorslab.de/en/corsair-mp700-pro-xt-2tb-nvme-ssd-in-test-really-fast-but-only-on-the-rocks-or-with-potent-coolerRead 14 October 2026LPDDR4: 1 GB, 2 GB and 4 GB for 1TB, 2TB and 4TB4Reviewtomshardware.com/pc-components/ssds/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026LPDDR4x on all capacities6Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 20262GB LPDDR4 on the 2TB, sized 1GB per 1TB

1GB9Reviewtomshardware.com/pc-components/ssds/sandisk-optimus-gx-pro-850p-2tb-ssd-reviewRead 23 October 20262TB sample has 1GB of DDR4 DRAM, half the usual 2GB and half of the review's 2TB WD_BLACK SN850X sample. Other capacities are not stated. The flash is likely BiCS5, but the review hedges and says BiCS6 is possible, so no flash generation is stored

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-sided4Reviewtomshardware.com/pc-components/ssds/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026The 2TB is a single-sided drive. The review only guesses that the 4TB is also single-sided from its equal dimensions, so only the 2TB row states it6Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 20262TB is built on a single-sided format. Product label has a copper layer and there is no heatsink

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-850p-nvme-ssd.pdfRead 23 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-M. Tom's Hardware also says the bare drive is single-sided at 1TB and 2TB and double-sided at 4TB and 8TB

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.

14,900MB/s1Maker product pagecorsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssdRead 14 October 2026

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-850p-nvme-ssd.pdfRead 23 October 2026Up to 7,300 MB/s for 1TB, 2TB and 4TB and 7,200 MB/s for 8TB. Sequential read 1MB, queue depth 8, 1 thread. Based on internal testing, host not named

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

14,500MB/s1Maker product pagecorsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssdRead 14 October 2026Page says up to 14,500 MB/s write and up to 14,900 MB/s read for the line, and that speeds vary by capacity. Footnote: random performance tested with FIO on X670, sequential with CrystalDiskMark on W790, endurance per JEDEC JESD218 client workload. The 1TB and 4TB pages (cssd-f10gbmp700pxnh, cssd-f40gbmp700pxnh) read the same2Reviewigorslab.de/en/corsair-mp700-pro-xt-2tb-nvme-ssd-in-test-really-fast-but-only-on-the-rocks-or-with-potent-coolerRead 14 October 202614,200 (1TB), 14,500 (2TB), 14,400 (4TB) MB/s3Press articletomshardware.com/pc-components/ssds/corsair-rolls-out-dynamic-duo-of-chart-topping-pcie-5-0-ssds-mp700-pro-xt-for-performance-enthusiasts-and-mp700-micro-for-compact-systemsRead 14 October 202614,500 MB/s for 2TB, 14,400 for 4TB, 14,200 for 1TB6Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026Up to 14,200 (1TB), 14,500 (2TB) and 14,400 MB/s (4TB)

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-850p-nvme-ssd.pdfRead 23 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

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.

2,700,000IOPS2Reviewigorslab.de/en/corsair-mp700-pro-xt-2tb-nvme-ssd-in-test-really-fast-but-only-on-the-rocks-or-with-potent-coolerRead 14 October 20261.5M (1TB), 2.7M (2TB), 2.7M (4TB), 4K random. Corsair's page footnote says random performance was tested with FIO on X6703Press articletomshardware.com/pc-components/ssds/corsair-rolls-out-dynamic-duo-of-chart-topping-pcie-5-0-ssds-mp700-pro-xt-for-performance-enthusiasts-and-mp700-micro-for-compact-systemsRead 14 October 20266Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026Up to 1.5M (1TB) and 2.7M (2TB, 4TB) IOPS

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-850p-nvme-ssd.pdfRead 23 October 2026Random read 4KB up to 800K IOPS (1TB) and 1.2M IOPS (2TB, 4TB, 8TB). Queue depth 32, 16 threads. 1.2M is 1200000

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.

3,300,000IOPS2Reviewigorslab.de/en/corsair-mp700-pro-xt-2tb-nvme-ssd-in-test-really-fast-but-only-on-the-rocks-or-with-potent-coolerRead 14 October 20263.3M for all capacities3Press articletomshardware.com/pc-components/ssds/corsair-rolls-out-dynamic-duo-of-chart-topping-pcie-5-0-ssds-mp700-pro-xt-for-performance-enthusiasts-and-mp700-micro-for-compact-systemsRead 14 October 2026

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-850p-nvme-ssd.pdfRead 23 October 2026Random write 4KB up to 1.1M IOPS (1TB, 2TB, 4TB) and 1.2M IOPS (8TB). Queue depth 32, 16 threads

Endurance and reliability

3 of 3 differ

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

1,400TB2Reviewigorslab.de/en/corsair-mp700-pro-xt-2tb-nvme-ssd-in-test-really-fast-but-only-on-the-rocks-or-with-potent-coolerRead 14 October 2026Table headed manufacturer's specifications: 700 TB (1TB), 1,400 TB (2TB), 2,800 TB (4TB). Corsair's own page says only up to 5,600 TB for the line, which is not a per-capacity rating and is not stored3Press articletomshardware.com/pc-components/ssds/corsair-rolls-out-dynamic-duo-of-chart-topping-pcie-5-0-ssds-mp700-pro-xt-for-performance-enthusiasts-and-mp700-micro-for-compact-systemsRead 14 October 2026700, 1,400 and 2,800 TBW6Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 20261,400 TBW for 2TB, 700 for 1TB, 2,800 for 4TB, 5-year warranty

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-850p-nvme-ssd.pdfRead 23 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

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.

1,500,000h2Reviewigorslab.de/en/corsair-mp700-pro-xt-2tb-nvme-ssd-in-test-really-fast-but-only-on-the-rocks-or-with-potent-coolerRead 14 October 2026Published as MTBF, 1,500,000 h for all three capacities. The 4TB retailer listing at avadirect.com agrees8Retailer pageavadirect.com/4TB-MP700-PRO-XT-14900-14400-MB-s-3D-TLC-NAND-PCIe-NVMe-5-0-x4-M-2-2280-SSD/Product/19622878Read 14 October 20261,500,000 hours on the 4TB listing9Reviewpcgameshardware.de/SSD-Hardware-255552/Tests/Corsair-MP700-Pro-XT-Phison-Controller-2TB-1485264/4Read 14 October 2026MTBF 1.5 million hours, 5-year warranty with 1,400 TBW for the 2TB

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-850p-nvme-ssd.pdfRead 23 October 2026Published as MTTF up to 1.75M hours, Telcordia SR-332 stress testing at 25 C. Stored as 1750000

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

Min0Max70°C2Reviewigorslab.de/en/corsair-mp700-pro-xt-2tb-nvme-ssd-in-test-really-fast-but-only-on-the-rocks-or-with-potent-coolerRead 14 October 20260 to 70 C for all capacities. The storage range of -40 to 85 C 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-850p-nvme-ssd.pdfRead 23 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

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.

6.5W2Reviewigorslab.de/en/corsair-mp700-pro-xt-2tb-nvme-ssd-in-test-really-fast-but-only-on-the-rocks-or-with-potent-coolerRead 14 October 2026Manufacturer table: 6.2 W (1TB), 6.5 W (2TB), 6.5 W (4TB). KitGuru and PCGH also give 6.5 W for the 2TB. Tom's Hardware's spec table gives 6.2 W for the 2TB, which conflicts4Reviewtomshardware.com/pc-components/ssds/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026Spec table lists Active Power 6.2 W (1TB), 6.2 W (2TB), 6.5 W (4TB). This differs from Igor's Lab, KitGuru and PCGH for the 2TB, which give 6.5 W. The review text says 6.5 W active at 4TB. The 6.5 W value is stored. Sequential write for the 4TB reads 14,700 MB/s in this table, but Corsair's page says up to 14,500 MB/s for the line and the Corsair-fed retailer listings (Scan, AvaDirect), Igor's Lab and KitGuru give 14,400 MB/s, so 14,400 is stored6Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026Corsair gives up to 6.5 W average for both active reads and writes on the 2TB, with Dev Slp power under 5 mW9Reviewpcgameshardware.de/SSD-Hardware-255552/Tests/Corsair-MP700-Pro-XT-Phison-Controller-2TB-1485264/4Read 14 October 2026Spec table: 6.5 W in operation, under 5 mW sleep, for the 2TB

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.

6.5W2Reviewigorslab.de/en/corsair-mp700-pro-xt-2tb-nvme-ssd-in-test-really-fast-but-only-on-the-rocks-or-with-potent-coolerRead 14 October 2026Manufacturer table: 6.2 W (1TB), 6.5 W (2TB and 4TB), same as the read column6Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026

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.

5mW2Reviewigorslab.de/en/corsair-mp700-pro-xt-2tb-nvme-ssd-in-test-really-fast-but-only-on-the-rocks-or-with-potent-coolerRead 14 October 2026Published as Dev Slp less than 5 mW for all capacities. Stored as 5

Not available

Measured

8 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.

14,861MB/s7Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-review/4Read 14 October 20262TB, CrystalDiskMark 8.0.5 default profile with NVMe settings, 5 runs, 1 GiB test size, drive 0% filled. SEQ1M Q8T1 read 14,860.87 MB/s, read from the screenshot. Test bench AMD Ryzen 7 7700X, Gigabyte X670E Aorus Xtreme, drive wiped with HDDerase v4 and sitting under the board's heatsink

6,978MB/s10Reviewtomshardware.com/pc-components/ssds/sandisk-optimus-gx-pro-850p-2tb-ssd-review/2Read 23 October 20262TB with the PlayStation heatsink. CrystalDiskMark peak sequential read 1MB QD8: 6,978 MB/s, read from the chart. KitGuru has no review of this drive, so Tom's Hardware is the CrystalDiskMark source. Intel Core i9-12900K, Asus ROG Maximus Z790 Hero, drive prefilled to 50 percent and tested as a secondary drive with active cooling. The test file size is not stated in the review

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

14,078MB/s7Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-review/4Read 14 October 2026SEQ1M Q8T1 write 14,077.74 MB/s in the same screenshot. The text rounds it to 14,077

6,391MB/s10Reviewtomshardware.com/pc-components/ssds/sandisk-optimus-gx-pro-850p-2tb-ssd-review/2Read 23 October 2026Peak sequential write 1MB QD8: 6,391 MB/s, same bench

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.

103.53MB/s7Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-review/4Read 14 October 2026RND4K Q1T1 read 103.53 MB/s, same screenshot

95.56MB/s10Reviewtomshardware.com/pc-components/ssds/sandisk-optimus-gx-pro-850p-2tb-ssd-review/2Read 23 October 2026Random read 4KB QD1: 23,329 IOPS, read from the chart, stored as IOPS x 4096 / 1,000,000, which is 95.56 MB/s

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.

264.64MB/s7Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-review/4Read 14 October 2026RND4K Q1T1 write 264.64 MB/s, same screenshot

403.61MB/s10Reviewtomshardware.com/pc-components/ssds/sandisk-optimus-gx-pro-850p-2tb-ssd-review/2Read 23 October 2026Random write 4KB QD1: 98,538 IOPS, read from the chart, stored as 403.61 MB/s

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

211GB5Reviewtomshardware.com/pc-components/ssds/corsair-mp700-pro-xt-2tb-ssd-review/2Read 14 October 20262TB. 15-minute Iometer sequential write. pSLC mode at 13.17 GB/s for 16 seconds, which the review calls a cache of around 211. The review prints the unit as TB, which cannot be right for a 2TB drive. 13.17 GB/s for 16 s is about 211 GB, so 211 GB is stored. Intel Core i9-12900K, Asus ROG Maximus Z790 Hero, drive prefilled to 50% and tested as a secondary device

595GB10Reviewtomshardware.com/pc-components/ssds/sandisk-optimus-gx-pro-850p-2tb-ssd-review/2Read 23 October 20262TB. Iometer sequential write for 15 minutes: over 6.46 GB/s for just over 92 seconds, a cache of 595GB

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.

4,200MB/s5Reviewtomshardware.com/pc-components/ssds/corsair-mp700-pro-xt-2tb-ssd-review/2Read 14 October 20262TB, same 15-minute Iometer sequential write. Review says the drive hits and holds TLC at 4.2 GB/s for a prolonged period. Stored as 4200. The later folding state at 1.96 GB/s is not stored

1,600MB/s10Reviewtomshardware.com/pc-components/ssds/sandisk-optimus-gx-pro-850p-2tb-ssd-review/2Read 23 October 2026After the cache the drive writes to native TLC at 1.6 GB/s. The text gives a rounded figure

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.

Not available

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.

59°C5Reviewtomshardware.com/pc-components/ssds/corsair-mp700-pro-xt-2tb-ssd-review/2Read 14 October 20262TB, bare drive without a heatsink. Maximum reading 59 C, primary composite sensor, about 22 C ambient, active cooling unless noted, same bench and 50% prefill. The review says it can run without a heatsink. KitGuru logged 47 C under a motherboard heatsink in short runs, a different method

54°C10Reviewtomshardware.com/pc-components/ssds/sandisk-optimus-gx-pro-850p-2tb-ssd-review/2Read 23 October 20262TB with the heatsink fitted: maximum temperature 54 C on the drive's primary composite sensor, about 22 C ambient, active cooling on the bench. The review does not describe the test behind the figure. Tom's Hardware runs its 15-minute sequential write test on every drive and says its testing is meant to heat the drive to a realistic ceiling

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".

1,326mW5Reviewtomshardware.com/pc-components/ssds/corsair-mp700-pro-xt-2tb-ssd-review/2Read 14 October 20262TB, read from chart. Quarch PPM idle power with ASPM/LPM disabled, 1,326 mW. Same bench

1,220mW10Reviewtomshardware.com/pc-components/ssds/sandisk-optimus-gx-pro-850p-2tb-ssd-review/2Read 23 October 20262TB. Quarch PPM idle power with ASPM/LPM disabled, 1,220 mW, read from chart

Cooling and build

1 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 heatsink1Maker product pagecorsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssdRead 14 October 2026Package contents say no heatsink is included and separate cooling is required. No heatsink version is listed

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-850p-nvme-ssd.pdfRead 23 October 2026Every model has the exclusive PlayStation heatsink. No bare version is sold

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.

Not available

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.

AES 256-bit hardware encryption2Reviewigorslab.de/en/corsair-mp700-pro-xt-2tb-nvme-ssd-in-test-really-fast-but-only-on-the-rocks-or-with-potent-coolerRead 14 October 2026Encryption row reads AES 256-bit for every capacity. TCG Opal is not named by the maker4Reviewtomshardware.com/pc-components/ssds/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026Review says Corsair states AES 256-bit encryption support. It adds that the E28 can support TCG Opal, which Corsair does not state

Not available

Software

Corsair SSD Toolbox1Maker product pagecorsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssdRead 14 October 2026Utility listed as CORSAIR SSD Toolbox 2.0 Preview4Reviewtomshardware.com/pc-components/ssds/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026Review describes Corsair SSD Toolbox

SanDisk Dashboard9Reviewtomshardware.com/pc-components/ssds/sandisk-optimus-gx-pro-850p-2tb-ssd-reviewRead 23 October 2026Sandisk Dashboard, an SSD toolbox, and Acronis True Image for Sandisk. The heatsink has no RGB

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.

Not available

PS5, Windows1Maker 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-850p-nvme-ssd.pdfRead 23 October 2026System compatibility row reads PlayStation 5, PlayStation 5 Pro, Windows 10+. Footnote 10: PC compatibility is not tested or endorsed by Sony Interactive Entertainment

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.

Length80Width22Height2.4mm(3.1 × 0.9 × 0.1 in)2Reviewigorslab.de/en/corsair-mp700-pro-xt-2tb-nvme-ssd-in-test-really-fast-but-only-on-the-rocks-or-with-potent-coolerRead 14 October 202680 x 22 x 2.4 mm for all capacities, written L x W x H6Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 202622 x 80 x 2.4 mm

Length80Width24.46Height9.89mm(3.1 × 1 × 0.4 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-850p-nvme-ssd.pdfRead 23 October 2026Drive with its PlayStation heatsink. Length 80 mm and width 24.46 mm for every capacity, height 9.89 mm for 1TB and 2TB and 10.31 mm for 4TB and 8TB. Footnote 8: length and width vary by +/-0.5 mm. Base is the 2TB

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.

7g(0.2 oz)6Reviewkitguru.net/components/simon-crisp/corsair-mp700-pro-xt-2tb-ssd-reviewRead 14 October 2026Physical Specifications list reads Drive Weight 7g for the 2TB, beside dimensions of 22 x 80 x 2.4 mm that match Corsair's. KitGuru does not say whether it weighed the drive. No Corsair page states a weight. Memory Express (33 g) and Scan (75 g) list weights that look like shipping weights, so 7 g is stored as the drive alone. It stays a doubt because no maker page states a weight

24g(0.8 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-850p-nvme-ssd.pdfRead 23 October 202624 g for 1TB and 2TB and 30.4 g for 4TB and 8TB, with heatsink. Footnote 8: weight varies by +/-10 percent. The Sandisk product page and the WD_BLACK SN850P data sheet give 30.4 g for 1TB and 2TB as well. The newer Sandisk data sheet is stored

In the box

1 of 2 differ

In the box

MP700 PRO XT M.2 SSD (no included heatsink, separate cooling required)1Maker product pagecorsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssdRead 14 October 2026Package Contents row, verbatim

SANDISK Optimus GX PRO 850P NVMe SSD2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850p-ps5-nvme-ssdRead 23 October 2026In The Box reads SANDISK Optimus GX PRO 850P NVMe SSD, the same on every capacity

Cables includediCables supplied with an external drive.

Not available

Not available

Links

Not compared

Product page

www.corsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssd1Maker product pagecorsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssdRead 14 October 2026

www.sandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850p-ps5-nvme-ssd2Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-optimus-gx-pro-850p-ps5-nvme-ssdRead 23 October 2026

Spec sheet

Not available

documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/sandisk-optimus-gx-pro/data-sheet-optimus-gx-pro-850p-nvme-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-850p-nvme-ssd.pdfRead 23 October 2026SANDISK Optimus GX PRO 850P data sheet, 2026 copyright. It covers 1TB, 2TB, 4TB and 8TB. The product line was sold as the WD_BLACK SN850P from June 2023, see the Western Digital data sheet source

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 product pagecorsair.com/us/en/p/data-storage/cssd-f20gbmp700pxnh/mp700-pro-xt-2tb-pcie-5-0-x4-nvme-m-2-ssdRead 14 October 2026Five years

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-850p-nvme-ssd.pdfRead 23 October 20265 years or the maximum endurance (TBW) limit, whichever occurs first. The data sheet is global and names no market

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