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Sandisk Extreme PRO Portable SSD with USB4 vs Western Digital WD_BLACK P40 Game Drive SSD

A

Product A: Sandisk

Extreme PRO Portable SSD with USB4

30 of 63 known

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B

Product B: Western Digital

WD_BLACK P40 Game Drive SSD

27 of 63 known

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All 63 fields

Every value links to where we found it.

Only differences

ASandisk Extreme PRO Portable SSD with USB4

BWestern Digital WD_BLACK P40 Game Drive SSD

General

4 of 9 differ

Series

Not available

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.

SDSSDE82-2T00-G25, SDSSDE82-4T00-G252Maker product pagesandisk.com/products/ssd/external-ssd/sandisk-extreme-pro-usb-4-portable-ssdRead 14 October 2026SanDisk's own links for the page carry sku=SDSSDE82-2T00-G25 and sku=SDSSDE82-4T00-G25. TechRadar's spec table also reads SDSSDE82-2T00-G25

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

619659194376, 6196591944069Spec databasecamelcamelcamel.com/product/B0DN6DK3X4Read 14 October 2026Search summary of the 4TB SDSSDE82-4T00-G25 listing gives UPC 619659194406 and retailers list EAN 0619659194406. Search summary of Farnell Ireland's listing for the 2TB SDSSDE82-2T00-G25 gives 0619659194376, which is UPC 619659194376. Both pages block direct fetches. Both codes have valid check digits

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.

November 20248Press articlechargerlab.com/sandisk-unveils-extreme-pro-usb4-portable-ssd-high-speed-durable-storage-up-to-4tbRead 14 October 2026ChargerLAB article dated 22 November 2024 says SanDisk introduced its first USB4 portable SSD. It gives no ship date or price. Forbes places the announcement in November 2024 alongside other Western Digital flash products, but its page could not be fetched

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

Available2Maker product pagesandisk.com/products/ssd/external-ssd/sandisk-extreme-pro-usb-4-portable-ssdRead 14 October 2026The page is live for the 2TB and 4TB with a sku selector

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.

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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

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Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$279.993Reviewtomshardware.com/pc-components/external-ssds/sandisk-extreme-pro-with-usb4-2-tb-reviewRead 14 October 2026Spec table price $279 (2TB) and $429 (4TB), which are Amazon prices at review time and not stated as MSRP6Reviewthessdreview.com/hardware/portable-ssds/sandisk-extreme-pro-usb-4-portable-ssd-reviewRead 14 October 2026Review of 3 May 2025 states MSRP $279.99 US for the 2TB and 429.99 US for the 4TB. No maker page states a price7Reviewtechradar.com/pro/sandisk-extreme-pro-with-usb4-reviewRead 14 October 2026Asking price $279.99 (2TB) and $429.99 (4TB) in the US at review time

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.

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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.

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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 spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Form Factor row reads Portable SSD

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.

2 TB, 4 TB1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Available Capacities row reads 2TB and 4TB. Footnote 2 says 1TB equals 1,000,000,000,000 bytes

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 spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Interface row reads USB4 Gen 3x2 (40Gb/s). The highlights say the drive supports Thunderbolt 4 hosts and works with older USB 3.2 and USB 2.0 devices

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.

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

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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.

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

Yes3Reviewtomshardware.com/pc-components/external-ssds/sandisk-extreme-pro-with-usb4-2-tb-reviewRead 14 October 2026The cable is a separate item in the box and the drive has a USB-C port7Reviewtechradar.com/pro/sandisk-extreme-pro-with-usb4-reviewRead 14 October 2026The cable is separate from the drive. No USB-A adapter is included

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.

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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.

Not available

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.

Not available

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.

3,800MB/s1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Data Transfer Rates row reads up to 3800MB/s read. Footnote 1: based on internal testing, performance may be lower depending on host device, interface, usage conditions and other factors. 1MB is 1,000,000 bytes. The same figure is given for 2TB and 4TB

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.

3,700MB/s1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Up to 3700MB/s write, same footnote and same figure for 2TB and 4TB

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.

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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.

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

Min5Max45°C1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Operating Temperature 5 C to 45 C. The storage range of -20 C to 85 C is 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

None of 6 known

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.

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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.

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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.

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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.

3,717MB/s4Reviewssd-tester.com/sandisk_extreme_pro_mit_usb4_2tb.htmlRead 14 October 20262TB (SDSSDE82-2T00-G25), tested on 9 February 2026. CrystalDiskMark 7.0 SEQ1M Q8T1 read 3,717.23 MB/s. KitGuru has not reviewed this drive, so another reviewer is used. The test file size and the drive fill are not stated. The site says its tests since 2023 use an AMD Ryzen 9 7900 PC that can test USB4 drives, and it does not name the port. Tom's Hardware printed 3,716.62 MB/s read and 3,710.54 MB/s write in CrystalDiskMark 8 default settings on a Ryzen 7600X system, and TechRadar printed 3,810 and 3,662 MB/s, which agree within 3 percent

Not available

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

3,704MB/s4Reviewssd-tester.com/sandisk_extreme_pro_mit_usb4_2tb.htmlRead 14 October 20262TB. CrystalDiskMark SEQ1M Q8T1 write 3,703.80 MB/s, same conditions

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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.

56.39MB/s4Reviewssd-tester.com/sandisk_extreme_pro_mit_usb4_2tb.htmlRead 14 October 20262TB. CrystalDiskMark RND4K Q1T1 read 56.39 MB/s, printed as 13,766.4 IOPS in the same table. 13,766.4 x 4096 / 1,000,000 gives 56.39

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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.

19.4MB/s4Reviewssd-tester.com/sandisk_extreme_pro_mit_usb4_2tb.htmlRead 14 October 20262TB. CrystalDiskMark RND4K Q1T1 write 19.40 MB/s, printed as 4,736.3 IOPS. 4,736.3 x 4096 / 1,000,000 gives 19.40. ServeTheHome says the drive sustains 19 MB/second in 4K random writes

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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.

1,100MB/s3Reviewtomshardware.com/pc-components/external-ssds/sandisk-extreme-pro-with-usb4-2-tb-reviewRead 14 October 20262TB. Iometer sequential write, 1MiB blocks, queue depth 32, 15 minutes. Text says the drive writes just below 3,500 MB/s for almost three minutes, then drops to around 1,100 MB/s for about five minutes, then to around 800 MB/s for the rest. The chart shows the plateau at about 1,150 MB/s. The first drop is stored. The 800 MB/s state is not. Cache size in GB is not printed, so it is not stored. PC Gamer saw a different pattern in its own 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.

1,370points5Reviewstoragereview.com/review/sandisk-extreme-pro-with-usb4-review-fast-rugged-hugeRead 14 October 20262TB (1862GB exFAT partition). 3DMark Storage Benchmark overall score 1,370, average 229.23 MB/s at 128 microseconds. Test host: AMD Ryzen 7 9800X3D, Asus ROG Crosshair X870E Hero, DDR5-6000, RTX 4090, Windows 11 Pro. The USB port used is not stated

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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

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.

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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.

Not available

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.

IP653Reviewtomshardware.com/pc-components/external-ssds/sandisk-extreme-pro-with-usb4-2-tb-reviewRead 14 October 2026Text says SanDisk states an IP65 rating for water resistance7Reviewtechradar.com/pro/sandisk-extreme-pro-with-usb4-reviewRead 14 October 2026Says SanDisk tested the drive to IEC 60529 IP65, where it withstood water flow (30 kPa) for 3 minutes

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

2m3Reviewtomshardware.com/pc-components/external-ssds/sandisk-extreme-pro-with-usb4-2-tb-reviewRead 14 October 2026Text says SanDisk says the drive should survive drops up to two meters. The surface is not stated7Reviewtechradar.com/pro/sandisk-extreme-pro-with-usb4-reviewRead 14 October 2026Says the drive can survive a fall of 2 meters, and the claim does not detail what it fell onto

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.

AES 256-bit hardware encryption, Password protection6Reviewthessdreview.com/hardware/portable-ssds/sandisk-extreme-pro-usb-4-portable-ssd-reviewRead 14 October 2026States the drive supports hardware encryption. The review gives no key length7Reviewtechradar.com/pro/sandisk-extreme-pro-with-usb4-reviewRead 14 October 2026Spec table Encryption row reads Hardware. Text says the drive supports hardware encryption8Press articlechargerlab.com/sandisk-unveils-extreme-pro-usb4-portable-ssd-high-speed-durable-storage-up-to-4tbRead 14 October 2026Reads 256-bit AES hardware encryption with password protection. No maker document for this model confirms it, and TechRadar and TheSSDReview confirm hardware encryption

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Software

SanDisk Memory Zone8Press articlechargerlab.com/sandisk-unveils-extreme-pro-usb4-portable-ssd-high-speed-durable-storage-up-to-4tbRead 14 October 2026Reads the drive works with the SanDisk Memory Zone app on Android. The page also says drop protection up to 3 meters, which conflicts with the 2 m in SanDisk's product title and is not used

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, PS5, Xbox Series X|S1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026System Requirements row reads Windows 10+ | macOS 14+ | Xbox Series X|S | PS5. The Compatibility row names USB Type-C devices such as laptops and tablets without naming an operating system

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.

Length140Width68.7Height11.9mm(5.5 × 2.7 × 0.5 in)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Product Dimensions row reads 5.51 x 2.70 x 0.47 in | 140.00 x 68.70 x 11.90 mm. Tom's Hardware prints 140 x 68.58 x 11.94 mm, which is the same size in inches

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.

172g(6.1 oz)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Product Weight row reads 0.38 lb | 172 g

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

USB Type-C cable3Reviewtomshardware.com/pc-components/external-ssds/sandisk-extreme-pro-with-usb4-2-tb-reviewRead 14 October 2026Spec table row Included: USB Type-C cable. Text says the box holds the drive, a roughly 11-inch USB-C-to-USB-C cable and paperwork

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.

ASandisk Extreme PRO Portable SSD with USB4

Type	Length (m)	Count
USB-C to USB-C	0.28	1

Source3Reviewtomshardware.com/pc-components/external-ssds/sandisk-extreme-pro-with-usb4-2-tb-reviewRead 14 October 2026Roughly 11-inch USB-C-to-USB-C cable, which is about 28 cm. TechRadar says the cable is 28cm long and TheSSDReview says 12 inches6Reviewthessdreview.com/hardware/portable-ssds/sandisk-extreme-pro-usb-4-portable-ssd-reviewRead 14 October 202612-inch USB4 Type-C to Type-C cable that also powers the drive7Reviewtechradar.com/pro/sandisk-extreme-pro-with-usb4-reviewRead 14 October 2026The 28cm long USB-C cable is the only accessory

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

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Product page

www.sandisk.com/products/ssd/external-ssd/sandisk-extreme-pro-usb-4-portable-ssd2Maker product pagesandisk.com/products/ssd/external-ssd/sandisk-extreme-pro-usb-4-portable-ssdRead 14 October 2026The SanDisk product page loads its content with scripts, so only its title (2TB SanDisk Extreme PRO with USB4) could be read. The data sheet and reviews carry the specs

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

documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdf1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 2026Two-page SanDisk data sheet for the Extreme PRO with USB4, copyright 2024, hosted on documents.sandisk.com

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 spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/portable-drives/extreme-pro-usb-4-portable-ssd/data-sheet-sandisk-extreme-pro-usb-4-portable-ssd.pdfRead 14 October 20265 year limited warranty. The data sheet names no market and points to sandisk.com/wug for terms

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.