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Samsung Portable SSD T5 EVO vs Silicon Power Ace A55

A

Product A: Samsung

Portable SSD T5 EVO

33 of 63 known

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B

Product B: Silicon Power

Ace A55

19 of 63 known

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Every value links to where we found it.

Only differences

ASamsung Portable SSD T5 EVO

BSilicon Power Ace A55

General

6 of 9 differ

Series

Not available

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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

SP128GBSS3A55S25, SPJ128GBSS3A55B, SU128GBSS3A55S25EU, SP256GBSS3A55S25, SPJ256GBSS3A55B, SU256GBSS3A55S25EU, SU256GBSS3A55S25AH, SP512GBSS3A55S25, SPJ512GBSS3A55B, SU512GBSS3A55S25EU, SP001TBSS3A55S25, SPJ001TBSS3A55B, SU001TBSS3A55S25EU, SU001TBSS3A55S25AC, SP002TBSS3A55S25, SPJ002TBSS3A55B, SU002TBSS3A55S25EU, SU002TBSS3A55S25SN, SP004TBSS3A55S25, SPJ004TBSS3A55B, SP004TBSS3A55S25AY, SP008TBSS3A55S25, SP016TBSS3A55S251Maker product pagesilicon-power.com/product-detail/Ace_A55Read 15 October 2026The price table lists a P/N per capacity. Each capacity has an SP, an SPJ and an SU code, and some have a regional suffix such as EU, AC, SN or AY. The page does not say what the prefixes and suffixes mean. They are stored as one list per capacity.2Maker spec sheet (PDF)silicon-power.com/download-detail/edm-ace-a55Read 15 October 2026Ordering Information lists only 2TB SP002TBSS3A55S25, 4TB SP004TBSS3A55S25, 8TB SP008TBSS3A55S25 and 16TB SP016TBSS3A55S25, and says more part numbers are available from sales.3Maker product pageweb.archive.org/web/20251216203842/https://sp-siliconpower.com/products/a55-128gb-2tb-sata-iii-2-5-inch-internal-solid-state-driveRead 21 October 2026The US store sells the 256GB as SU256GBSS3A55S25AH, a code that the global page does not list. It is added to the 256GB list

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

886576030425, 886576078304, 886576030449, 886576030456, 886576037912, 8865760696783Maker product pageweb.archive.org/web/20251216203842/https://sp-siliconpower.com/products/a55-128gb-2tb-sata-iii-2-5-inch-internal-solid-state-driveRead 21 October 2026Variant barcodes from the store page data of the same capture: 886576030425 (128GB, SP128GBSS3A55S25), 886576078304 (256GB, SU256GBSS3A55S25AH), 886576030449 (512GB, SP512GBSS3A55S25), 886576030456 (1TB, SP001TBSS3A55S25), 886576037912 (2TB, SP002TBSS3A55S25), 886576069678 (4TB, SP004TBSS3A55S25). These are 12-digit UPCs for the US store. EAN barcodes for other markets are not stored, since the retailer listings that show them disagree on the part number

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

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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

Available1Maker product pagesilicon-power.com/product-detail/Ace_A55Read 15 October 2026The page is live and lists the drive with a purchase tab.

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.

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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.

$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

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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

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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

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

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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.

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

2.5-inch1Maker product pagesilicon-power.com/product-detail/Ace_A55Read 15 October 20262Maker spec sheet (PDF)silicon-power.com/download-detail/edm-ace-a55Read 15 October 2026

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

128 GB, 256 GB, 512 GB, 1 TB, 2 TB, 4 TB, 8 TB, 16 TB1Maker product pagesilicon-power.com/product-detail/Ace_A55Read 15 October 2026Capacity row reads 128GB, 256GB, 512GB, 1TB, 2TB, 4TB, 8TB, 16TB. The datasheet footnote says 1GB equals 1 billion bytes.2Maker spec sheet (PDF)silicon-power.com/download-detail/edm-ace-a55Read 15 October 2026

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.

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)

SATA1Maker product pagesilicon-power.com/product-detail/Ace_A55Read 15 October 20262Maker spec sheet (PDF)silicon-power.com/download-detail/edm-ace-a55Read 15 October 2026

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.

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

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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.

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

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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.

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

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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

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

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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

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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

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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

500MB/s1Maker product pagesilicon-power.com/product-detail/Ace_A55Read 15 October 2026Performance Read (max.) row: 460 MB/s for 128GB and 256GB, 500 MB/s for 512GB and up. The base is the 2TB model. No test tool or host is named. The page note says results vary with platform, software, interface and capacity.2Maker spec sheet (PDF)silicon-power.com/download-detail/edm-ace-a55Read 15 October 2026

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

450MB/s1Maker product pagesilicon-power.com/product-detail/Ace_A55Read 15 October 2026Performance Write (max.) row: 360 MB/s for 128GB, 450 MB/s for 256GB and up. The base is the 2TB model.2Maker spec sheet (PDF)silicon-power.com/download-detail/edm-ace-a55Read 15 October 2026

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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600TB4Maker spec sheet (PDF)silicon-power.com/document/ssd_tbwRead 15 October 2026Silicon Power SSD TBW table, file dated 2026-08-05. The A55 row of the SATA III 2.5 inch table lists 37 TB (128GB), 75 (256GB), 150 (512GB), 300 (1TB), 600 (2TB), 1200 (4TB) and 2400 (8TB). 16TB is not in the table. The separate A55 M.2 row is a different product.

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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1,500,000h1Maker product pagesilicon-power.com/product-detail/Ace_A55Read 15 October 2026MTBF (est) row reads 1,500,000 hours. The datasheet row says MTBF (test) with the same value. Stored as MTBF.2Maker spec sheet (PDF)silicon-power.com/download-detail/edm-ace-a55Read 15 October 2026MTBF (test) 1,500,000 hours.

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

Min0Max70°C3Maker product pageweb.archive.org/web/20251216203842/https://sp-siliconpower.com/products/a55-128gb-2tb-sata-iii-2-5-inch-internal-solid-state-driveRead 21 October 2026Silicon Power's own US store page for the A55 128GB-4TB, archived 2025-12-16, Product Specifications: Operating temperature 0 C to 70 C and storage temperature -40 C to 85 C (only the operating range is stored). The same page lists the same MTBF, shock and vibration ratings and warranty as the 2026 global page. The global page and the 2026 flyer no longer print a temperature range, and the live US page no longer shows it either

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.

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

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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

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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.

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

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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.

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

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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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Without heatsink1Maker product pagesilicon-power.com/product-detail/Ace_A55Read 15 October 2026The page shows one plain 2.5 inch case and lists no heatsink version.

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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Dust and water ratingiPublished IP rating of an external drive.

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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

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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 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

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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

SP ToolBox1Maker product pagesilicon-power.com/product-detail/Ace_A55Read 15 October 2026Free download of SP ToolBox for disk information, SMART report, wear extent and diagnostics. The datasheet says the performance test and secure erase features are for industrial SSDs 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, 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

PC (no OS named)1Maker product pagesilicon-power.com/product-detail/Ace_A55Read 15 October 2026Page title reads SP Ace A55 2.5" SATA SSD for Laptops & PCs. No operating system is named, so PC is stored

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.

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

Length100Width69.9Height7mm(3.9 × 2.8 × 0.3 in)1Maker product pagesilicon-power.com/product-detail/Ace_A55Read 15 October 2026Dimensions row reads 100.0 x 69.9 x 7.0 mm. One value for every capacity.2Maker spec sheet (PDF)silicon-power.com/download-detail/edm-ace-a55Read 15 October 2026

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

63g(2.2 oz)1Maker product pagesilicon-power.com/product-detail/Ace_A55Read 15 October 2026Weight row reads 63g (max.). One value for every capacity. A 2.5 inch case weighs more than an M.2 drive.2Maker spec sheet (PDF)silicon-power.com/download-detail/edm-ace-a55Read 15 October 2026

In the box

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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

Not available

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

BSilicon Power Ace A55

Not available

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.silicon-power.com/product-detail/Ace_A551Maker product pagesilicon-power.com/product-detail/Ace_A55Read 15 October 2026

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

www.silicon-power.com/download-detail/edm-ace-a552Maker spec sheet (PDF)silicon-power.com/download-detail/edm-ace-a55Read 15 October 2026One-page eDM flyer issued Feb 13, 2026. It is the only datasheet on the product page. It has no controller, flash, DRAM, IOPS, temperature or TBW values.

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.

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

3years1Maker product pagesilicon-power.com/product-detail/Ace_A55Read 15 October 20263-year limited warranty. The page says the warranty is based on the TBW or the warranty period.2Maker spec sheet (PDF)silicon-power.com/download-detail/edm-ace-a55Read 15 October 2026

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