SSDs / Compare

CORSAIR EX400U SURVIVOR vs Western Digital WD_BLACK P40 Game Drive SSD

A

Product A: CORSAIR

EX400U SURVIVOR

28 of 63 known

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B

Product B: Western Digital

WD_BLACK P40 Game Drive SSD

27 of 63 known

Change Western Digital WD_BLACK P40 Game Drive SSD

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All 63 fields

Every value links to where we found it.

Only differences

ACORSAIR EX400U SURVIVOR

BWestern Digital WD_BLACK P40 Game Drive SSD

General

4 of 9 differ

Series

EX400U4Maker product pagecorsair.com/us/en/explorer/diy-builder/storage/corsair-ex400u-survivor-everything-you-need-to-knowRead 15 October 2026Blog compares the drive with the original EX400U and calls the Survivor the latest addition to the portable SSD lineup

WD_BLACK1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026Page and data sheet use the WD_BLACK brand line for the P40 Game Drive SSD

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

CSSD-EX400US1TB, CSSD-EX400US2TB, CSSD-EX400US4TB1Maker product pagecorsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tbRead 15 October 2026SKU CSSD-EX400US2TB on the 2TB page. The capacity selector offers 1 TB, 2 TB and 4 TB, each with its own page and SKU (CSSD-EX400US1TB, CSSD-EX400US4TB). The 1TB and 4TB pages showed Out Of Stock on 2026-10-15

WDBAWY5000ABK-WESN, WDBAWY0010BBK-WESN, WDBAWY0020BBK-WESN1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026Specifications list WDBAWY0010BBK-WESN (1TB) and WDBAWY0020BBK-WESN (2TB). The 500GB number WDBAWY5000ABK-WESN comes from the data sheet family code and retailer listings. The last part is a region code

GTIN / EAN

Not available

619659189235, 6196591892421Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026The page's offer data carries UPC 619659189235 for 1TB WDBAWY0010BBK-WESN and 619659189242 for 2TB WDBAWY0020BBK-WESN. Both pass the UPC check digit. No code was found for the 500GB7Retailer pageoffice-partner.de/wd-blacktm-p40-game-drive-ssd-2-tb-24324822Read 15 October 2026EAN 0619659189242 for the 2TB WDBAWY0020BBK-WESN, which is UPC 619659189242, the same as the maker page's offer data

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

23 October 20255Press releasecorsair.com/newsroom/press-release/corsair-adds-rugged-performance-and-mobile-convenience-to-its-storage-portfolioRead 15 October 2026Press release dated 2025-10-23, announcing the EX400U SURVIVOR and the EX300U

9 May 20223Press releasestoragereview.com/news/western-digital-announces-new-wd_black-gaming-ssdsRead 15 October 2026News post dated 9 May 2022 that carries WD's What's Next release. WD_BLACK P40 in 500GB, 1TB and 2TB

Status

Available1Maker product pagecorsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tbRead 15 October 20262TB page showed In Stock on 2026-10-155Press releasecorsair.com/newsroom/press-release/corsair-adds-rugged-performance-and-mobile-convenience-to-its-storage-portfolioRead 15 October 2026Available at launch. Corsair's store still lists the SKUs in 2026

Available1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026The page says the product is no longer available on Sandisk.com and points to support pages, so the maker no longer sells it in its own store. Retailers still list it. Stored as available since the drive is still listed at retail, but the stock is not confirmed8Retailer pageamazon.com/WD_BLACK-1TB-Game-Drive-WDBAWY0010BBK-WESN/dp/B09ZRD38D8Read 15 October 2026Amazon US listing for the 1TB WDBAWY0010BBK-WESN is live and sold by a third-party seller. The page did not show stock or price in the text that could be read, so availability is not confirmed

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.

$254.996Press articlegdm.or.jp/pressrelease/2025/1024/609408Read 15 October 2026Japanese reprint of Corsair's 2025-10-23 announcement lists the US direct-sale prices in USD at launch: 1TB 144.99, 2TB 254.99, 4TB 409.99. Excl. sales tax. IT Home reports the same three prices. No EUR launch price was found. Base value is the 2TB7Press articleithome.com/0/891/958.htmRead 15 October 2026Chinese report of the same announcement: 144.99 / 254.99 / 409.99 USD for the three capacities, with a five-year warranty

From $119.991Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 20262Maker spec sheet (PDF)doc.moyo.ua/13913916_1675069326.pdfRead 15 October 20263Press releasestoragereview.com/news/western-digital-announces-new-wd_black-gaming-ssdsRead 15 October 20267Retailer pageoffice-partner.de/wd-blacktm-p40-game-drive-ssd-2-tb-24324822Read 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

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MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

Not available

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ColoursiThe maker's own colour names

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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.

External1Maker product pagecorsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tbRead 15 October 2026

External1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026Portable drive in its own case with a USB-C connector

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-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tbRead 15 October 2026Capacity selector offers 1 TB, 2 TB and 4 TB

500 GB, 1 TB, 2 TB1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026Specifications list 1TB and 2TB. The data sheet adds 500GB. The data sheet says 1TB is 1 trillion bytes2Maker spec sheet (PDF)doc.moyo.ua/13913916_1675069326.pdfRead 15 October 2026Western Digital data sheet 02-00-WW-04-00066-AA00 dated June 2022, copied on a Ukrainian retailer's document host. The data sheet link on WD's own page now returns 404. Capacities 500GB, 1TB and 2TB. Its model lines repeat WDBAWY5000ABK for the 2TB, which is a typo4Reviewthessdreview.com/hardware/portable-ssds/wd_black-p40-game-drive-portable-ssd-reviewRead 15 October 2026Review of 5 November 2022 lists 500GB, 1TB and 2TB. CrystalDiskInfo shows an SN560 NVMe SSD inside with NVMe 1.4 and TRIM

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.

USB41Maker product pagecorsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tbRead 15 October 2026Page says blazing-fast USB4 up to 40Gbps, USB4/Thunderbolt 4/iOS compatible and backwards compatible with USB 3.2 Type-C. Maximum performance needs a USB4 or higher connection. Stored as USB4, since Corsair does not call the drive a Thunderbolt device4Maker product pagecorsair.com/us/en/explorer/diy-builder/storage/corsair-ex400u-survivor-everything-you-need-to-knowRead 15 October 2026Table row Interface: USB4 Type-C, backward compatible with USB 3.2

USB 3.2 Gen 2x2 (20 Gbps)1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026Specifications and features read USB 3.2 Gen 2 x2 with speeds up to 2,000MB/s. The data sheet's interface line says SuperSpeed USB 10Gb/s, which does not fit 2,000MB/s and its own feature bullet, so it is not used

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.

Not available

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

Not available

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

Not available

Not available

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

Yes1Maker product pagecorsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tbRead 15 October 2026One USB Type-C cable handles power and data and is listed in the package contents as a separate item

Yes1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026A separate Type-C to Type-C cable is in the box4Reviewthessdreview.com/hardware/portable-ssds/wd_black-p40-game-drive-portable-ssd-reviewRead 15 October 2026Box has a Type-C to Type-C cable, a Type-C to Type-A adapter, a user manual and a PS5 folded sheet. The review says the cable is 2 feet, which conflicts with 30 cm in two other reviews, so no cable length comes from it

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.

Phison PS2251-214Maker product pagecorsair.com/us/en/explorer/diy-builder/storage/corsair-ex400u-survivor-everything-you-need-to-knowRead 15 October 2026Text says the Survivor uses the same controller and NAND as the EX400U. The EX400U's controller is the Phison PS2251-216Press articlegdm.or.jp/pressrelease/2025/1024/609408Read 15 October 2026Phison PS2251-218Reviewsmartworld.it/recensioni/corsair-ex400u-survivorRead 15 October 2026Spec table: Phison PS2251-219Reviewprofesionalreview.com/2025/11/29/corsair-ex400u-survivor-review/ampRead 15 October 2026Phison PS2251-2111Reviewguiahardware.es/corsair-ex400u-survivor-analisis-a-fondo-de-un-ssd-usb4-todoterrenoRead 15 October 2026Controller Phison PS2251-21. The review's weight of 149 g is the old launch figure

Not available

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.

TLC4Maker product pagecorsair.com/us/en/explorer/diy-builder/storage/corsair-ex400u-survivor-everything-you-need-to-knowRead 15 October 2026Text says the same controller and NAND as the EX400U. The SSD Review reads KIOXIA TLC memory for the EX400U10Reviewthessdreview.com/hardware/portable-ssds/corsair-ex400u-usb4-external-ssd-reviewRead 15 October 2026Review of the non-rugged EX400U, which Corsair says shares its controller and NAND with the SURVIVOR: Phison PS2251-21 USB4 controller with KIOXIA TLC memory. No review of the SURVIVOR opened the drive, so this is the sibling's reading, backed by Corsair's statement and GuiaHardware's reading of the SURVIVOR11Reviewguiahardware.es/corsair-ex400u-survivor-analisis-a-fondo-de-un-ssd-usb4-todoterrenoRead 15 October 2026Spec list for the 2TB SURVIVOR: NAND Flash TLC (Kioxia)

TLC5Reviewblog.kowatek.comRead 15 October 2026Machine-translated copy of the AnandTech review of 6 January 2023. Its table names the rated storage as Western Digital SN560E PCIe 3.0 x4 M.2 2280 NVMe, SanDisk/Toshiba BiCS 5 112L 3D TLC. The AnandTech original returned a browser check, so the copy was used

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

Kioxia TLC9Reviewprofesionalreview.com/2025/11/29/corsair-ex400u-survivor-review/ampRead 15 October 2026Says the drive uses KIOXIA 3D NAND and that the maker does not say TLC or QLC10Reviewthessdreview.com/hardware/portable-ssds/corsair-ex400u-usb4-external-ssd-reviewRead 15 October 2026KIOXIA TLC memory. No layer count or generation is published11Reviewguiahardware.es/corsair-ex400u-survivor-analisis-a-fondo-de-un-ssd-usb4-todoterrenoRead 15 October 2026Kioxia TLC

Sandisk BiCS5 TLC5Reviewblog.kowatek.comRead 15 October 2026SanDisk/Toshiba BiCS 5 112L 3D TLC, written Sandisk BiCS5 TLC as on the WD Blue SN5000 entry. The controller of the SN560E is not named in any source found, so the controller field is empty. The USB bridge chip is an ASMedia ASM2364

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

Not available

1125Reviewblog.kowatek.comRead 15 October 2026BiCS 5 112L

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.

Not available

None, HMB not stated5Reviewblog.kowatek.comRead 15 October 2026Text says the P40 uses the DRAM-less SN560E. No source says whether host memory is used, and an NVMe SSD behind a USB bridge has no host memory buffer path, so dramless

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.

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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.

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Performance

2 of 4 differ

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

4,000MB/s1Maker product pagecorsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tbRead 15 October 2026Page says up to 4,000MB/sec read and 3,600MB/sec write, with the note that performance varies by capacity. No test tool, host or queue depth is given. The 1TB and 4TB pages show the same figures4Maker product pagecorsair.com/us/en/explorer/diy-builder/storage/corsair-ex400u-survivor-everything-you-need-to-knowRead 15 October 2026Peak sequential performance of up to 4,000MB/s reads and 3,600MB/s writes when connected to a USB4 host

2,000MB/s1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026Sequential read 2000MB/s for 1TB and 2TB. Footnote on the data sheet: based on internal testing, 1 MB/s is 1 million bytes per second, performance varies by host2Maker spec sheet (PDF)doc.moyo.ua/13913916_1675069326.pdfRead 15 October 2026Sequential read 2,000MB/s for 500GB, 1TB and 2TB. Footnote: based on internal testing

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

3,600MB/s1Maker product pagecorsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tbRead 15 October 2026Up to 3,600MB/sec. Kakaku.com lists 3,500 MB/s write for the 1TB, which conflicts with the 1TB page and is not used4Maker product pagecorsair.com/us/en/explorer/diy-builder/storage/corsair-ex400u-survivor-everything-you-need-to-knowRead 15 October 2026Up to 3,600MB/s on a USB4 host

2,000MB/s1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026Sequential write 2000MB/s for 1TB and 2TB2Maker spec sheet (PDF)doc.moyo.ua/13913916_1675069326.pdfRead 15 October 2026Sequential write 2TB 2,000MB/s, 1TB 2,000MB/s, 500GB 1,950MB/s

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.

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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.

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Endurance and reliability

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

500TB6Press articlegdm.or.jp/pressrelease/2025/1024/609408Read 15 October 2026Write endurance 250 TBW (1TB), 500 TBW (2TB), 1,000 TBW (4TB). The base value is the 2TB. SmartWorld and Profesional Review give the same three figures

Not available

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.

1,400,000h6Press articlegdm.or.jp/pressrelease/2025/1024/609408Read 15 October 2026MTBF 1.4 million hours, the same for all capacities8Reviewsmartworld.it/recensioni/corsair-ex400u-survivorRead 15 October 2026Spec table: MTBF 1,400,000 hours12Spec databasekakaku.com/item/K0001723770/specRead 15 October 2026MTBF 140万時間 (1.4 million hours) for the 2TB. The 1TB and 4TB pages say the same. The 1TB page lists write 3500 MB/s, which conflicts with Corsair's 3,600 and is not used. Japanese release date on the site is 2025-12-18

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

Min0Max70°C8Reviewsmartworld.it/recensioni/corsair-ex400u-survivorRead 15 October 2026Spec table: operating temperature 0 C to 70 C9Reviewprofesionalreview.com/2025/11/29/corsair-ex400u-survivor-review/ampRead 15 October 2026Operating 0 C to 70 C and storage -40 C to 85 C, from the maker's resistance specs. Storage range not stored

Min0Max45°C1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026Operating temperature 0C to 45C and non-operating -20C to 65C, same for 1TB and 2TB. The June 2022 data sheet says 0C to 85C operating, which is a conflict between two maker documents. 0C to 45C is stored because the data sheet's interface line is also wrong and retailer spec sheets copy 0C to 45C. The storage range is not stored

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.

4.5W4Maker product pagecorsair.com/us/en/explorer/diy-builder/storage/corsair-ex400u-survivor-everything-you-need-to-knowRead 15 October 2026Comparison table: Power Active Read 4.5 W. SmartWorld lists 4.5 W too8Reviewsmartworld.it/recensioni/corsair-ex400u-survivorRead 15 October 2026Spec table: power use 4.5 W, which matches Corsair's active read figure

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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.

4.1W4Maker product pagecorsair.com/us/en/explorer/diy-builder/storage/corsair-ex400u-survivor-everything-you-need-to-knowRead 15 October 2026Comparison table: Power Active Write 4.1 W

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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

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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.

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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.

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

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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.

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

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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.

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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.

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

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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.

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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.

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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.

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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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Yes1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026Page says the RGB lighting is customised with the downloadable WD_BLACK Dashboard3Press releasestoragereview.com/news/western-digital-announces-new-wd_black-gaming-ssdsRead 15 October 2026Release names customizable RGB lighting, Windows only

Dust and water ratingiPublished IP rating of an external drive.

IP551Maker product pagecorsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tbRead 15 October 2026Page says a rugged, environmentally sealed enclosure (IP55)4Maker product pagecorsair.com/us/en/explorer/diy-builder/storage/corsair-ex400u-survivor-everything-you-need-to-knowRead 15 October 2026Comparison table IP Rating: IP55. Text: partial dust protection and protection against water jets from any direction, not submersion5Press releasecorsair.com/newsroom/press-release/corsair-adds-rugged-performance-and-mobile-convenience-to-its-storage-portfolioRead 15 October 2026Durable, impact-resistant IP55-rated housing

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

Not available

2m1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026Shock-resistant structure that can survive a drop of up to two meters. The surface is not stated2Maker spec sheet (PDF)doc.moyo.ua/13913916_1675069326.pdfRead 15 October 2026Can survive a drop of up to two meters

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.

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Software

Corsair SSD Toolbox1Maker product pagecorsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tbRead 15 October 2026Downloads list CORSAIR SSD Toolbox 2.0 Preview and the EX400U/EX400U SURVIVOR firmware update utility5Press releasecorsair.com/newsroom/press-release/corsair-adds-rugged-performance-and-mobile-convenience-to-its-storage-portfolioRead 15 October 2026Says the drive includes CORSAIR SSD Toolbox software for secure erase and firmware updates

WD_BLACK Dashboard1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026Downloadable WD_BLACK Dashboard, Windows only

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.

Windows, macOS, iOS, iPadOS1Maker product pagecorsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tbRead 15 October 2026Page names USB4/Thunderbolt 4 laptop and desktop hosts and iOS/iPadOS 13 and later with USB Type-C. The blog names Windows, macOS, iOS and iPadOS4Maker product pagecorsair.com/us/en/explorer/diy-builder/storage/corsair-ex400u-survivor-everything-you-need-to-knowRead 15 October 2026Text: a wide range of devices and operating systems, including Windows, macOS, iOS, and iPadOS. Works with Thunderbolt 4 and Thunderbolt 5

Windows, macOS, PS4, PS5, Xbox One, Xbox Series X|S1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026Compatibility lists PlayStation 5 (play and store PS4 games, archive PS5 games), Xbox Series X|S (play and store Xbox One games, archive optimized games), PS4 Pro or PS4 with system software 4.50 or higher, Xbox One, Windows 10 and 8.1 and macOS 10.11+. The data sheet adds Windows 112Maker spec sheet (PDF)doc.moyo.ua/13913916_1675069326.pdfRead 15 October 2026PlayStation 5, Xbox Series X|S, PS4 Pro or PS4, Xbox One, Windows 11, 10, 8.1 and macOS 10.11+

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.

Length82.1Width40Height17.1mm(3.2 × 1.6 × 0.7 in)4Maker product pagecorsair.com/us/en/explorer/diy-builder/storage/corsair-ex400u-survivor-everything-you-need-to-knowRead 15 October 2026Comparison table: 82.1 x 40 x 17.1 mm, written L x W x H. The launch spec in the Japanese press release agrees (width 40, depth 82.1, height 17.1)6Press articlegdm.or.jp/pressrelease/2025/1024/609408Read 15 October 2026Width 40 mm, depth 82.1 mm, height 17.1 mm. The same listing gives 149 g, which Corsair later replaced with 80 g9Reviewprofesionalreview.com/2025/11/29/corsair-ex400u-survivor-review/ampRead 15 October 2026About 8.2 x 4 x 1.7 cm and about 80 g

Length106.98Width50.82Height13mm(4.2 × 2 × 0.5 in)1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026Page prints 4.21 x 2 x 0.51 in. The data sheet gives 106.98 x 50.82 x 13.00 mm2Maker spec sheet (PDF)doc.moyo.ua/13913916_1675069326.pdfRead 15 October 2026Length 106.98 mm, width 50.82 mm, height 13.00 mm6Reviewtechradar.com/gaming/wd-black-p40-game-drive-reviewRead 15 October 2026Spec table reads 4.2 x 2 x 0.51 in / 106.98 x 50.82 x 13 mm, the same as the data sheet

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.

80g(2.8 oz)4Maker product pagecorsair.com/us/en/explorer/diy-builder/storage/corsair-ex400u-survivor-everything-you-need-to-knowRead 15 October 2026Comparison table: 80 g (2.8 oz). The blog is dated as updated 2025-12-03. The launch spec reprinted by GDM gave 149 g, and Phototrend and GuiaHardware repeat 149 g. SmartWorld gives 83 g and a Phototrend reader measured 82.44 g for a 1TB drive. The later maker figure of 80 g is stored

78.5g(2.8 oz)1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 202678.5gms for both capacities2Maker spec sheet (PDF)doc.moyo.ua/13913916_1675069326.pdfRead 15 October 202678.5 g5Reviewblog.kowatek.comRead 15 October 202679 grams without cable, which matches the data sheet's 78.5 g

In the box

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In the box

EX400U Survivor External SSD, USB-C to USB-C cable (30cm, 40Gb)1Maker product pagecorsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tbRead 15 October 2026Package Contents row reads EX400U Survivor External SSD, USB-C to USB-C cable (30cm, 40Gb). Stored as two items

WD_BLACK P40 Game Drive SSD, USB Type-C to Type-C cable, USB Type-C to Type-A cable, Quick Install Guide1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026In The Box: WD_BLACK P40 Game Drive SSD, USB Type-C to Type-C cable, USB Type-C to Type-A cable, Quick Install Guide. Reviewers call the Type-A item an adapter that clips to the Type-C cable

Cables includediCables supplied with an external drive.

ACORSAIR EX400U SURVIVOR

Type	Length (m)	Count
USB-C to USB-C	0.3	1

Source1Maker product pagecorsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tbRead 15 October 2026Package contents list a USB-C to USB-C cable of 30cm that carries 40Gb

BWestern Digital WD_BLACK P40 Game Drive SSD

Type	Length (m)	Count
USB-C to USB-C	0.3	1

Source5Reviewblog.kowatek.comRead 15 October 2026Table reads a 30cm USB 3.2 Gen 2x2 Type-C to Type-C cable and a Type-C to Type-A adapter, 33 cm in total. TechRadar says an 11in / 300mm Type-C cable. The Type-A item is not stored as a cable because the review calls it an adapter6Reviewtechradar.com/gaming/wd-black-p40-game-drive-reviewRead 15 October 2026Says the drive connects through a Type-C port with an included 11in / 300mm Type-C cable and a Type-A to Type-C adapter

Links

Not compared

Product page

www.corsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tb1Maker product pagecorsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tbRead 15 October 2026

www.westerndigital.com/products/portable-drives/wd-black-p40-game-drive-ssd1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 2026WD_BLACK P40 page on westerndigital.com, now served by Sandisk (page title WD_BLACK P40 Game Drive SSD | Sandisk). The page lists the 1TB and 2TB only

Spec sheet

Not available

Not available

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

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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 product pagecorsair.com/us/en/p/data-storage/cssd-ex400us2tb/ex400u-survivor-2tb-usb4-external-ssd-cssd-ex400us2tbRead 15 October 2026Page says a five-year warranty4Maker product pagecorsair.com/us/en/explorer/diy-builder/storage/corsair-ex400u-survivor-everything-you-need-to-knowRead 15 October 2026Comparison table: 5 years, against 3 years for the EX400U5Press releasecorsair.com/newsroom/press-release/corsair-adds-rugged-performance-and-mobile-convenience-to-its-storage-portfolioRead 15 October 2026Five-year limited warranty

5years1Maker product pagewesterndigital.com/products/portable-drives/wd-black-p40-game-drive-ssdRead 15 October 20265-Year Limited Warranty. The data sheet points to support.wdc.com for regional terms2Maker spec sheet (PDF)doc.moyo.ua/13913916_1675069326.pdfRead 15 October 20265 years, see support.wdc.com for regional terms

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