SSDs / Compare

Samsung Portable SSD T5 EVO vs Sandisk Professional PRO-G40 SSD

A

Product A: Samsung

Portable SSD T5 EVO

33 of 63 known

Change Samsung Portable SSD T5 EVO

Compare the Sandisk Professional PRO-G40 SSD with

Search SSDs

B

Product B: Sandisk

Professional PRO-G40 SSD

30 of 63 known

Change Sandisk Professional PRO-G40 SSD

Compare the Samsung Portable SSD T5 EVO with

Search SSDs

All 63 fields

Every value links to where we found it.

Only differences

ASamsung Portable SSD T5 EVO

BSandisk Professional PRO-G40 SSD

General

4 of 9 differ

Series

Not available

Not available

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

MU-PH2T0S/WW, MU-PH2T0S/AM, MU-PH2T0S/EU, MU-PH4T0S/WW, MU-PH4T0S/AM, MU-PH4T0S/EU, MU-PH8T0S/WW, MU-PH8T0S/AM, MU-PH8T0S/EU2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 2026Product line-up: MU-PH8T0, MU-PH4T0 and MU-PH2T0 with the codes /WW, /AM and /EU

SDPS31H-001T-GBC1D, SDPS31H-002T-GBC1D, SDPS31H-004T-GBC1D, SDPS31H-001T-GBCND, SDPS31H-002T-GBCND1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Worldwide SKU table: SDPS31H-001T-GBC1D, SDPS31H-002T-GBC1D and SDPS31H-004T-GBC1D. The 2022 launch part numbers SDPS31H-001T-GBCND and SDPS31H-002T-GBCND come from Tom's Hardware's spec table. The sheet also lists China SKUs ending ZBC1D, which are not stored

GTIN / EAN

887276746197, 887276746203, 8872767462107Maker spec sheet (PDF)image-us.samsung.com/SamsungUS/business/solutions/industries/government/msrp-price-sheets/10092025/Samsung-Memory_Storage-MSRP-Price-File-(September-2025).pdfRead 15 October 2026Samsung US MSRP price file effective September 2025, UPC Code column: MU-PH2T0S/AM 887276746197, MU-PH4T0S/AM 887276746203 and MU-PH8T0S/AM 887276746210. These are the US codes only. No /WW or /EU codes were found

619659209599, 619659209568, 6196592096121Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026UPC column for the worldwide SKUs: 6 19659 20959 9 (1TB), 6 19659 20956 8 (2TB) and 6 19659 20961 2 (4TB). Stored as 12-digit UPC. The sheet gives no GTINs for the GBCND launch parts

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

14 November 20234Press releasenews.samsung.com/global/samsung-unveils-new-portable-ssd-t5-evo-that-offers-8tb-capacity-in-a-compact-designRead 15 October 2026Global release dated November 15, 2023 in Korea. The US release is dated 11/14/2023, so 2023-11-14 is stored5Press releasenews.samsung.com/us/samsung-introduces-t5-evo-portable-ssdRead 15 October 2026US release dated 11/14/2023

5 October 20223Press releasewesterndigital.com/de-at/company/newsroom/press-releases/2022/2022-10-05-western-digital-turbocharges-versatility-with-new-sandisk-professional-pro-g40-ssdRead 15 October 2026Western Digital press release dated 2022-10-05, San Jose, California

Status

Available1Maker product pagesamsung.com/us/computing/memory-storage/portable-solid-state-drives/portable-ssd-t5-evo-usb-3-2-8tb-black-mu-ph8t0s-amRead 15 October 2026On 2026-10-15 the page lists the 8TB at $1,119.99 and the 2TB at $289.99, both marked out of stock, and the 4TB at $579.99. Current prices are not stored. Samsung's US price file of September 2025 marks the 4TB as EOL and the 2TB and 8TB as price changes. Samsung's Irish business page lists all three capacities3Maker product pagesamsung.com/ie/business/memory-storage/portable-ssd/portable-ssd-t5-evo-8tb-black-mu-ph8t0s-euRead 15 October 2026Samsung Ireland business store lists the 2TB, 4TB and 8TB7Maker spec sheet (PDF)image-us.samsung.com/SamsungUS/business/solutions/industries/government/msrp-price-sheets/10092025/Samsung-Memory_Storage-MSRP-Price-File-(September-2025).pdfRead 15 October 2026Change column: 2TB Price Change, 4TB EOL, 8TB Price Change. The file lists new MSRPs of $199.99, $374.99 and $689.99, which are not launch prices

Available2Maker product pagesandisk.com/products/ssd/external-ssd/sandisk-professional-pro-g40-ssdRead 15 October 2026The page is live in October 2026 with the three GBC1D SKUs. Amazon US showed the 4TB at rank 51 in External Solid State Drives with 1,098 reviews

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.

$189.994Press releasenews.samsung.com/global/samsung-unveils-new-portable-ssd-t5-evo-that-offers-8tb-capacity-in-a-compact-designRead 15 October 2026MSRP $189.99 for the 2TB, $349.99 for the 4TB and $649.99 for the 8TB. US. The base price is the 2TB model5Press releasenews.samsung.com/us/samsung-introduces-t5-evo-portable-ssdRead 15 October 2026MSRP $189.99 for the 2TB, $349.99 for the 4TB and $649.99 for the 8TB

From $299.991Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 20263Press releasewesterndigital.com/de-at/company/newsroom/press-releases/2022/2022-10-05-western-digital-turbocharges-versatility-with-new-sandisk-professional-pro-g40-ssdRead 15 October 20264Press articlestoragereview.com/review/sandisk-professional-pro-g40-reviewRead 15 October 20265Press articlecomputerbase.de/2022-10/sandisk-professional-externe-pro-g40-ssd-ist-schnell-und-teuerRead 15 October 20266Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 20267Measurementtomshardware.com/reviews/sandisk-pro-g40-ssd-review/3Read 15 October 20268Measurementtomshardware.com/reviews/sandisk-pro-g40-ssd-review/2Read 15 October 2026

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

€172.26Press releasenews.samsung.com/at/samsung-stellt-die-neue-portable-ssd-t5-evo-vor-mit-8-tb-speicherkapazitat-und-einem-kompakten-designRead 15 October 2026Samsung Austria release of 15 November 2023: available in Austria from EUR 172,20 (2TB, UVP), EUR 317,23 (4TB, UVP) and EUR 588,79 (8TB, UVP). Austria, with VAT as published. Samsung Germany published no euro price that could be found. PC Games Hardware reported German UVPs of about 180, 320 and 590 euros, which are rounded and not stored. The base price is the 2TB model

From €4711Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 20263Press releasewesterndigital.com/de-at/company/newsroom/press-releases/2022/2022-10-05-western-digital-turbocharges-versatility-with-new-sandisk-professional-pro-g40-ssdRead 15 October 20264Press articlestoragereview.com/review/sandisk-professional-pro-g40-reviewRead 15 October 20265Press articlecomputerbase.de/2022-10/sandisk-professional-externe-pro-g40-ssd-ist-schnell-und-teuerRead 15 October 20266Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 20267Measurementtomshardware.com/reviews/sandisk-pro-g40-ssd-review/3Read 15 October 20268Measurementtomshardware.com/reviews/sandisk-pro-g40-ssd-review/2Read 15 October 2026

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

Black4Press releasenews.samsung.com/global/samsung-unveils-new-portable-ssd-t5-evo-that-offers-8tb-capacity-in-a-compact-designRead 15 October 2026Black body with a titan gray ring

Black1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Color column reads Black for every SKU

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.

External2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 2026Samsung Portable SSD in its own case with a Type-C port, connected by cable

External1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Portable SSD in a rugged case that connects by a USB-C port, so stored as external

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 TB, 8 TB1Maker product pagesamsung.com/us/computing/memory-storage/portable-solid-state-drives/portable-ssd-t5-evo-usb-3-2-8tb-black-mu-ph8t0s-amRead 15 October 2026Storage selector 2 TB, 4 TB and 8 TB2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 2026Capacities 2 TB / 4 TB / 8 TB. Footnote 1: 1 GB = 1,000,000,000 bytes, 1 TB = 1,000,000,000,000 bytes

1 TB, 2 TB, 4 TB1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Capacity column: 1TB, 2TB and 4TB. Footnote: 1 TB = 1 trillion bytes

Interface

1 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.

USB 3.2 Gen 1 (5 Gbps)2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 2026Interface row reads USB 3.2 Gen 1 (5 Gbps)

Thunderbolt 31Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Interface row reads Thunderbolt 3 (40Gbps) and SuperSpeed USB 10Gbps (USB 3.2 Gen 2). Stored as the highest mode, Thunderbolt 3

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

Not available

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

Not available

Not available

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.

Yes3Maker product pagesamsung.com/ie/business/memory-storage/portable-ssd/portable-ssd-t5-evo-8tb-black-mu-ph8t0s-euRead 15 October 2026The box holds a separate USB Type-C to C cable and the drive has a Type-C port

Yes6Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 2026The drive has a reinforced USB-C port and a Type-C to Type-C cable is in the box

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.

Samsung Metis9Reviewtomshardware.com/reviews/samsung-t50-evoRead 15 October 2026Spec table lists Samsung Metis as the controller of the 2TB, 4TB and 8TB. Review dated 14 November 2023, 8TB sample12Reviewanandtech.com/show/21135Read 15 October 2026AnandTech teardown of the 8TB: the SATA controller is the Samsung S4LR069 Metis, the same as in the 870 QVO. A separate ASMedia ASM235CM bridges SATA to USB 3.2 Gen 1, which is not stored. AnandTech's site now redirects to its forum, so the text was read from search result excerpts on 2026-10-15

Sandisk in-house6Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 2026Spec table row Controller reads SanDisk Proprietary, written as Sandisk in-house like the Optimus GX PRO 850X. Text: the SSD inside is the SN750E, with the same controller as the WD Red SN700. The review tested the 2022 launch drive. No teardown of a GBC1D drive was found. Bridge chips: Intel Titan Ridge JHL7440 for Thunderbolt 3 and the ASMedia ASM2362 for USB 3.2 Gen 2. TheSSDReview names the same chips9Reviewthessdreview.com/hardware/portable-ssds/sandisk-professional-pro-g40-thunderbolt-3-dual-mode-portable-ssd-review-unbelievable-3-1gb-s-data-transfer-speedsRead 15 October 2026The review could not open the case. It says the drive uses a SanDisk SN750e M.2 SSD with an Intel JHL7440 Thunderbolt 3 controller and an ASMedia ASM2362 USB 3.2 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.

QLC9Reviewtomshardware.com/reviews/samsung-t50-evoRead 15 October 2026Spec table reads Samsung QLC for all three capacities. StorageReview and TechRadar also say QLC. NASCompares writes 64-layer 3D V-NAND TLC, which looks copied from the 2017 T5 and is not stored10Reviewstoragereview.com/review/samsung-t5-evo-8tb-portable-ssd-reviewRead 15 October 2026The T5 EVO uses QLC. It also says the drive has an internal SATA interface behind USB 3.2 Gen 1. Review dated November 14, 202311Reviewtechradar.com/pro/samsung-portable-ssd-t5-evo-8tb-reviewRead 15 October 2026Says an AnandTech teardown showed the drive looks like a repackaged 870 QVO with QLC NAND chips

TLC6Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 2026Text: 1TB of 96-layer BiCS4 TLC in two 512GB packages

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

Samsung V-NAND QLC9Reviewtomshardware.com/reviews/samsung-t50-evoRead 15 October 2026Spec table reads Samsung QLC. Samsung's release names V-NAND. No layer count is stored, since no source states one

Sandisk BiCS4 TLC6Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 2026Spec table row Memory reads SanDisk 96-Layer BiCS4, the same for 1TB and 2TB. Stored for the base 2TB as the maker for all capacities. Not checked on a GBC1D drive

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

Not available

966Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 202696 layers from the Memory row

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.

DRAM12Reviewanandtech.com/show/21135Read 15 October 2026The 8TB board carries 8GB of LPDDR4 for the flash translation layer, per the same excerpt. Stored as a DRAM drive. Only the 8TB was torn down

DRAM6Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 2026Spec table row DRAM reads DDR4 for both capacities. Text: the drive has DRAM, so no Host Memory Buffer

DRAM cache sizeiSize of the DRAM on the drive. Any DRAM type counts, such as DDR4 or LPDDR4X. Host memory buffer (HMB) is not DRAM on the drive.

Not available

Not available

Component sidesiWhether chips sit on one or both sides of the board. Thin laptops and some handhelds need single-sided drives. M.2 drives only. The M.2 module code states it: S is single-sided and D is double-sided, e.g. 2280-S3-M or 2280-D5-M.

Not available

Not available

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.

460MB/s2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 2026Up to 460 MB/sec for all capacities. Footnote 3: measured by Samsung's internal testing standards with the enclosed cable. Samsung's product page adds that the host and the cable must support USB 3.2 Gen 1 and UASP mode must be enabled

3,000MB/s1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Data Transfer Rate row, Thunderbolt 3: up to 3000MB/s read. USB-C: up to 1050MB/s read, not stored. Footnote: internal testing, 1 MB/s = 1 million bytes per second, performance may vary by host device, usage conditions and drive capacity. The same figure is given for all three capacities

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

460MB/s2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 2026Up to 460 MB/sec for all capacities, same conditions as read

2,500MB/s1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Thunderbolt 3: up to 2500MB/s write. USB-C: up to 1000MB/s write, not stored. Same figure for all three capacities

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.

Not available

Not available

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.

Not available

Not available

Endurance and reliability

1 of 3 differ

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

Not available

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.

Not available

Not available

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

Min0Max60°C2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 2026Operating 0 C to 60 C. Footnote 6: Tc is measured at the hottest point on the case. Non-operating -40 C to 85 C is not stored

Min5Max35°C1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Operating Temperature row: 41 to 95 F | 5 to 35 C

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.

Not available

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.

Not available

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.

Not available

Not available

Measured

4 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.

468MB/s13Reviewssd-tester.com/samsung_portable_ssd_t5_evo_2tb.htmlRead 15 October 20262TB (MU-PH2T0S/EU), tested on 6 July 2026. CrystalDiskMark SEQ1M Q8T1 read 468.38 MB/s, stored as 468. No preferred reviewer covers CrystalDiskMark for this drive. The test file size and the drive fill are not stated on the page. The page refers to the site's homepage for the test system

Not available

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

466MB/s13Reviewssd-tester.com/samsung_portable_ssd_t5_evo_2tb.htmlRead 15 October 2026SEQ1M Q8T1 write 466.32 MB/s, stored as 466

Not available

Random 4K read at queue depth 1 (measured)iCrystalDiskMark RND4K Q1T1 read result from a reviewer. Small reads one at a time, close to everyday use. KitGuru's 4K QD1 1 Thread test counts as RND4K Q1T1. A CrystalDiskMark result printed in IOPS is stored as IOPS x 4096 / 1,000,000 MB/s, the way CrystalDiskMark converts.

28.25MB/s13Reviewssd-tester.com/samsung_portable_ssd_t5_evo_2tb.htmlRead 15 October 2026RND4K Q1T1 read 28.25 MB/s, which the page also prints as 6,896 IOPS

Not available

Random 4K write at queue depth 1 (measured)iCrystalDiskMark RND4K Q1T1 write result from a reviewer. A CrystalDiskMark result printed in IOPS is stored as IOPS x 4096 / 1,000,000 MB/s, the way CrystalDiskMark converts.

64.35MB/s13Reviewssd-tester.com/samsung_portable_ssd_t5_evo_2tb.htmlRead 15 October 2026RND4K Q1T1 write 64.35 MB/s, which the page also prints as 15,710 IOPS. Tom's Hardware charts only 313.72 IOPS for the 8TB, which is not used

Not available

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

Not available

Not available

Write speed after the cache (measured)iWrite speed in the first state after the fast cache is full, when the drive writes straight to TLC or QLC. Tom's Hardware calls it TLC mode. The slower folding state and the lowest dip are not stored. Only from a long sequential write test.

Not available

Not available

3DMark Storage BenchmarkiOverall score measured by a reviewer. Host and slot are in the source note. From StorageReview only. Tom's Hardware scores the same drive about 30 percent higher, so other reviewers are not mixed in.

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.

Not available

Not available

Idle power (measured)iReviewer's idle reading. Power-saving settings such as ASPM are in the source note. A value read from a chart image counts when the source note says "read from chart".

Not available

Not available

Cooling and build

2 of 4 differ

HeatsinkiVersions sold. The base lists every version and each variant row lists its own. A water block or a cooler with a fan counts as a heatsink. A thermal pad or label alone is bare. A heatsink in the box that the buyer fits, as on the XPG MARS 980 BLADE, counts as with heatsink.

Not available

Not available

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

IP681Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Key features: high-level IP68 dust/water resistance

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

2m2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 2026Drop Resistant up to 2 m. Footnote 4: free-fall to a metal plate from a 2-meter height under controlled conditions. Damage by drops is not covered under warranty

3m1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Key features: up to 3m drop protection, footnote 3 based on internal testing. The surface is not stated in the sheet. The 2022 press release says the drop was onto a carpeted concrete floor3Press releasewesterndigital.com/de-at/company/newsroom/press-releases/2022/2022-10-05-western-digital-turbocharges-versatility-with-new-sandisk-professional-pro-g40-ssdRead 15 October 2026Footnote says the 3m drop was tested on a carpeted concrete floor. Launch speeds in the release were up to 2700MB/s read and 1900MB/s write over Thunderbolt 3

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 encryption2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 2026Encryption row reads AES 256-bit hardware encryption9Reviewtomshardware.com/reviews/samsung-t50-evoRead 15 October 2026Spec table: 256-bit AES hardware encryption

Not available

Software

Samsung Magician2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 2026Software row lists Samsung Portable SSD 1.0 and Samsung Magician Software. Samsung's support pages offer Samsung Magician, which is stored8Maker product pagesamsung.com/sg/support/model/MU-PH8T0S/WWRead 15 October 2026Samsung support page for the MU-PH8T0S offers Samsung Magician 9.0 for Windows, macOS and Android. It lists no user manual

SanDisk SSD Dashboard6Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 2026Text: SanDisk also provides its own SSD Dashboard software

Compatibility

1 of 1 differ

PlatformsiPlatforms the maker names for this drive. A PS5 needs a heatsink on an internal drive. PC is for a maker that writes Client PCs or PC without naming an operating system. Handheld PCs go in Other with a source note.

Windows, macOS, Android2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 2026Footnote 5: minimum system requirements Windows 7 or higher, Mac OS X 10.10 or higher and Android Lollipop or higher. The sheet names no console3Maker product pagesamsung.com/ie/business/memory-storage/portable-ssd/portable-ssd-t5-evo-8tb-black-mu-ph8t0s-euRead 15 October 2026Compatible Devices: PCs, Laptops, Android smart phones and tablets, Game consoles, Smart TVs, Cameras. OS Compatibility: Windows, macOS, Android. No console is named4Press releasenews.samsung.com/global/samsung-unveils-new-portable-ssd-t5-evo-that-offers-8tb-capacity-in-a-compact-designRead 15 October 2026Compatible with macOS, Windows, smartphones and tablets and gaming consoles. Samsung Magician works on Windows, macOS and Android8Maker product pagesamsung.com/sg/support/model/MU-PH8T0S/WWRead 15 October 2026Magician installers for Windows 10, macOS and Android

Windows, macOS1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Operating Systems row: macOS 10.13+ (Time Machine compatible), Windows 10+. The drive ships formatted exFAT, APFS via reformat

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.

Length95Width40Height17mm(3.7 × 1.6 × 0.7 in)2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 202640 x 95 x 17 mm. Samsung's product page labels the order W x H x D, so 95 mm is the long side, 40 mm the width and 17 mm the thickness3Maker product pagesamsung.com/ie/business/memory-storage/portable-ssd/portable-ssd-t5-evo-8tb-black-mu-ph8t0s-euRead 15 October 2026Dimension (WxHxD) 40 x 95 x 17 mm

Length111Width58Height12mm(4.4 × 2.3 × 0.5 in)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Size (LxWxH) row: 4.36 x 2.28 x 0.47 in | 111 x 58 x 12 mm. The store page prints 4.37 x 2.28 x 0.47 in

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.

102g(3.6 oz)2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 2026102 grams. Footnote 2: exact weight may vary by capacity. Samsung's pages for the 2TB, 4TB and 8TB each say 102 grams3Maker product pagesamsung.com/ie/business/memory-storage/portable-ssd/portable-ssd-t5-evo-8tb-black-mu-ph8t0s-euRead 15 October 2026Specifications of the 2TB, 4TB and 8TB pages each read 102 grams

122.3g(4.3 oz)1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Weight row: 1TB 121.2 g, 2TB 122.3 g and 4TB 123.1 g. Base value is the 2TB model

In the box

2 of 2 differ

In the box

Samsung Portable SSD T5 EVO, USB Type-C to C cable, Quick User Manual & Warranty Statement2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 2026Box contents: Samsung Portable SSD T5 EVO, USB Type-C to C cable, Quick User Manual & Warranty Statement

PRO-G40 SSD, Thunderbolt 3 (40Gbps) Cable, Quick Start Guide1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Box contents row: PRO-G40 SSD, Thunderbolt 3 (40Gbps) Cable and Quick Start Guide

Cables includediCables supplied with an external drive.

ASamsung Portable SSD T5 EVO

Type	Count
USB-C to USB-C	1

Source4Press releasenews.samsung.com/global/samsung-unveils-new-portable-ssd-t5-evo-that-offers-8tb-capacity-in-a-compact-designRead 15 October 2026Comes with a USB Type-C-to-C cable. The cable length is not stated

BSandisk Professional PRO-G40 SSD

Type	Length (m)	Count
USB-C to USB-C	0.2	1

Source6Reviewtomshardware.com/reviews/sandisk-pro-g40-ssd-reviewRead 15 October 2026Text: a relatively short 20cm (about 8 inch) USB Type-C to Type-C cable. TheSSDReview also says 20cm / 8 inch9Reviewthessdreview.com/hardware/portable-ssds/sandisk-professional-pro-g40-thunderbolt-3-dual-mode-portable-ssd-review-unbelievable-3-1gb-s-data-transfer-speedsRead 15 October 2026Comes with a 20cm / 8 inch Thunderbolt 3 cable

Links

Not compared

Product page

www.samsung.com/us/computing/memory-storage/portable-solid-state-drives/portable-ssd-t5-evo-usb-3-2-8tb-black-mu-ph8t0s-am1Maker product pagesamsung.com/us/computing/memory-storage/portable-solid-state-drives/portable-ssd-t5-evo-usb-3-2-8tb-black-mu-ph8t0s-amRead 15 October 2026Samsung US page of the 8TB, MU-PH8T0S/AM. The 2TB, 4TB and 8TB are selectable

www.sandisk.com/products/ssd/external-ssd/sandisk-professional-pro-g40-ssd2Maker product pagesandisk.com/products/ssd/external-ssd/sandisk-professional-pro-g40-ssdRead 15 October 2026SanDisk US product page for the PRO-G40 SSD with a capacity picker for 1TB, 2TB and 4TB. Its spec table repeats the data sheet: up to 3000MB/s read and 2500MB/s write, Thunderbolt 3 and USB 3.2 Gen 2, 5-year limited warranty and the GBC1D part numbers

Spec sheet

download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdf2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 2026Samsung Portable SSD T5 EVO 2023 Data Sheet, Revision 1.0, on Samsung's data sheet server. Copies on Ingram Micro and Tehnoteka read the same

documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdf1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 2026Two-page SanDisk data sheet for the PRO-G40 SSD, PDF created 2023-12-01, on documents.sandisk.com. It lists 1TB, 2TB and 4TB with the GBC1D part numbers

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

1 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.

3years2Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_Portable_SSD_T5_EVO_Datasheet_Rev1.0.pdfRead 15 October 2026Three (3) Year Limited Warranty. The data sheet is global and names no market

5years1Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk-pro/product/portable-drives/pro-g40-ssd/data-sheet-sandisk-professional-pro-g40-ssd.pdfRead 15 October 20265 YR limited warranty. The sheet points to sandisk.com/wug for terms and names no market

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