SSDs / Compare

Kingston A400 vs Western Digital WD Blue SA510

A

Product A: Kingston

A400

23 of 63 known

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B

Product B: Western Digital

WD Blue SA510

29 of 63 known

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Only differences

AKingston A400

BWestern Digital WD Blue SA510

General

3 of 9 differ

Series

Not available

WD Blue1Maker product pagesandisk.com/products/ssd/internal-ssd/wd-blue-sa510-sata-2-5-ssdRead 20 October 2026The page title and copy name the drive WD Blue SA510 SATA SSD, part of the WD Blue range

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

SA400S37/240G, SA400S37/480G, SA400S37/960G1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026Part Numbers table lists SA400S37/240G, SA400S37/480G and SA400S37/960G for the 2.5 inch standalone drive. The 2022 US datasheet also lists SA400S37/120G and the M.2 2280 model SA400M8. The M.2 model is a different form factor and is not stored here. A 1920GB model, SA400S37/1920G, is sold by retailers but is not on this datasheet2Maker spec sheet (PDF)kingston.com/datasheets/SA400S37_us.pdfRead 15 October 20262022 US datasheet MKD-393.5US lists SA400S37/120G, /240G, /480G and /960G, and the M.2 parts SA400M8/240G and SA400M8/480G. The 120GB is not on the 2024 datasheet and is not stored

WDS250G3B0A, WDS500G3B0A, WDS100T3B0A, WDS200T3B0A, WDS400T3B0A, WDS500G5B0A, WDS100T5B0A, WDS200T5B0A, WDS400T5B0A1Maker product pagesandisk.com/products/ssd/internal-ssd/wd-blue-sa510-sata-2-5-ssdRead 20 October 2026Spec blocks list WDS250G3B0A (250GB), WDS500G5B0A (500GB), WDS100T5B0A (1TB), WDS200T5B0A (2TB) and WDS400T3B0A (4TB). The store SKU suffixes -00AXR0, -00LMP0 and -00C7K0 are not stored. The 5B0A codes are a newer series than the 3B0A codes of the 2022 product brief. Both series are stored as variant rows because their claims differ3Maker spec sheet (PDF)media.bechtle.com/asrc/180712/1c4b3d4ee288fc9434f5175bf56070570/c3/-/30f4e0dd49fc49b18a552c4c9448d267/wd-blue-sa510-2-tb-ssd-datenblatt-1Read 20 October 2026German copy of the Western Digital product brief for the WD Blue SA510 (document code 02-00-WW-04-000064-AE02, September 2022, PDF made 2023-05-18), hosted by the retailer Bechtle. The maker's own copy returned 404. It lists the 2.5 inch codes WDS250G3B0A, WDS500G3B0A, WDS100T3B0A, WDS200T3B0A and WDS400T3B0A, and the M.2 2280 codes WDS...3B0B, which are another product

GTIN / EAN

740617261219, 740617263442, 7406172773576Retailer pagescan.co.uk/products/240gb-kingston-a400-ssd-25-sata-iii-6-g-bs-up-to-500mb-s-read-up-to-350mb-s-write-speedRead 15 October 2026GTIN row reads 0740617261219, which is UPC 740617261219, for SA400S37/240G7Retailer pagescan.co.uk/products/480gb-kingston-a400-25-ssd-7mm-sata-iii-6gb-s-3d-nand-tlc-500mb-s-read-450mb-s-write-retailRead 15 October 2026GTIN listed as 740617263442 for SA400S37/480G8Retailer pagescan.co.uk/products/960gb-kingston-a400-25-ssd-sata-iii-6gb-s-2ch-tlc-500mb-s-read-450mb-s-write-retailRead 15 October 2026GTIN row reads 0740617277357, which is UPC 740617277357, for SA400S37/960G. A search result for an eBay Germany listing shows the same EAN

718037884622, 718037884639, 7180378846536Retailer pageldlc.com/en/product/PB00503709.htmlRead 20 October 2026LDLC sheet for WDS100T3B0A (1TB, 2.5 inch). The EAN 0718037884653 is the UPC 7180378846537Retailer pageldlc.com/en/product/PB00503711.htmlRead 20 October 2026LDLC sheet for WDS500G3B0A-00AXR0 (500GB, 2.5 inch). The EAN 0718037884639 is the UPC 7180378846398Retailer pagekomputronik.pl/product/773712/wd-blue-sa510-250gb.htmlRead 20 October 2026Komputronik sheet for WDS250G3B0A (250GB), EAN 718037884622. No GTIN was found for the 2TB, 4TB or the 5B0A codes

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

3 April 20175Press articleweekly.ascii.jp/elem/000/001/462/1462208Read 15 October 20263 April 2017, the Japan announcement. No global Kingston press release was readable

Not available

Status

Available1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026The current Kingston datasheet and product page title cover the drive, and Kingston's May 2026 press release marks 100 million units shipped4Press articlethemachinemaker.com/news/kingston-surpasses-100-million-a400-sata-ssd-shipments-worldwideRead 15 October 2026Trade coverage dated 3 June 2026 of Kingston's press release that more than 100 million A400 SATA SSDs have shipped since the 2017 launch. Kingston's own release is behind a Cloudflare challenge

Available1Maker product pagesandisk.com/products/ssd/internal-ssd/wd-blue-sa510-sata-2-5-ssdRead 20 October 2026The Sandisk US page lists the drive with per-capacity spec blocks and a data sheet link. Western Digital sold this drive. The page is now on sandisk.com and says Powered by Sandisk

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.

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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.

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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.

2.5-inch1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026Form factor row reads 2.5 inch. Key Features says a 2.5 inch 7 mm form factor

2.5-inch1Maker product pagesandisk.com/products/ssd/internal-ssd/wd-blue-sa510-sata-2-5-ssdRead 20 October 20262.5-Inch row in every block. The title reads 2.5 inch 7mm cased. The M.2 2280 SA510 (WDS...3B0B) is a separate product

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.

240, 480, 960GB1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026Capacities row reads 240GB, 480GB, 960GB. Kingston's flash guide footnote says part of the listed capacity is used for formatting. The 2022 US datasheet also lists 120GB2Maker spec sheet (PDF)kingston.com/datasheets/SA400S37_us.pdfRead 15 October 2026Lists 120GB, 240GB, 480GB and 960GB. The 120GB model is left out because the 2024 datasheet no longer lists it

250 GB, 500 GB, 1 TB, 2 TB, 4 TB1Maker product pagesandisk.com/products/ssd/internal-ssd/wd-blue-sa510-sata-2-5-ssdRead 20 October 2026Capacity rows: 250GB, 500GB, 1TB, 2TB, 4TB. Data sheet footnote: 1GB = 1 billion bytes and 1TB = 1 trillion bytes

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.

SATA1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026Interface row reads SATA Rev. 3.0 (6Gb/s) with backwards compatibility to SATA Rev. 2.0 (3Gb/s)

SATA1Maker product pagesandisk.com/products/ssd/internal-ssd/wd-blue-sa510-sata-2-5-ssdRead 20 October 2026Interface row reads SATA. The data sheet gives SATA III 6 Gb/s

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.

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Hardware

2 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.

Not available

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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.

TLC5Press articleweekly.ascii.jp/elem/000/001/462/1462208Read 15 October 2026Article describes a 2-channel controller and TLC NAND, and says the controller and NAND used to meet the specs may vary with production date6Retailer pagescan.co.uk/products/240gb-kingston-a400-ssd-25-sata-iii-6-g-bs-up-to-500mb-s-read-up-to-350mb-s-write-speedRead 15 October 2026Flash Memory Type row reads TLC7Retailer pagescan.co.uk/products/480gb-kingston-a400-25-ssd-7mm-sata-iii-6gb-s-3d-nand-tlc-500mb-s-read-450mb-s-write-retailRead 15 October 2026Flash Memory Type row reads TLC, with 3D NAND in the overview8Retailer pagescan.co.uk/products/960gb-kingston-a400-25-ssd-sata-iii-6gb-s-2ch-tlc-500mb-s-read-450mb-s-write-retailRead 15 October 2026Flash Memory Type row reads TLC

TLC2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026NAND Type row: SANDISK TLC 3D NAND for every capacity

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

Not available

Sandisk 3D TLC2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026The same row names the flash as SANDISK TLC 3D NAND. The data sheet gives no layer count and no flash generation. Third-party sites guess Kioxia BiCS5. None is a maker statement, so it is not stored

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.

None6Retailer pagescan.co.uk/products/240gb-kingston-a400-ssd-25-sata-iii-6-g-bs-up-to-500mb-s-read-up-to-350mb-s-write-speedRead 15 October 2026DRAM Cache Memory row reads N/A. The controller row reads 2Ch. SATA has no host memory buffer, so the value is none7Retailer pagescan.co.uk/products/480gb-kingston-a400-25-ssd-7mm-sata-iii-6gb-s-3d-nand-tlc-500mb-s-read-450mb-s-write-retailRead 15 October 2026DRAM Cache Memory row reads N/A8Retailer pagescan.co.uk/products/960gb-kingston-a400-25-ssd-sata-iii-6gb-s-2ch-tlc-500mb-s-read-450mb-s-write-retailRead 15 October 2026DRAM Cache Memory row reads N/A9Retailer pageinet.se/produkt/4300499/kingston-a400-480gb-2-5Read 15 October 2026A customer Q&A on the 480GB page, written for the 120GB model, says the A400 has no DRAM cache and uses a pseudo-SLC cache for write speed. Memory type row reads TLC

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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

4 of 4 differ

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

500MB/s1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026Baseline performance, data transfer (ATTO): up to 500 MB/s read for 240GB, 480GB and 960GB. Footnote 1: out-of-box performance on a SATA Rev. 3.0 motherboard. Host not named2Maker spec sheet (PDF)kingston.com/datasheets/SA400S37_us.pdfRead 15 October 2026Same ATTO figures as the 2024 datasheet: up to 500 MB/s read

560MB/s2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026Sequential Read up to 560 MB/s for every capacity. Footnote 2: 1 MB/s = 1 million bytes per second, based on internal testing. The host and the tool are not named3Maker spec sheet (PDF)media.bechtle.com/asrc/180712/1c4b3d4ee288fc9434f5175bf56070570/c3/-/30f4e0dd49fc49b18a552c4c9448d267/wd-blue-sa510-2-tb-ssd-datenblatt-1Read 20 October 2026Sequential reads up to 555 MB/s (250GB) and 560 MB/s (500GB to 4TB). Footnote 6: based on internal testing, 1 MB/s = 1 million bytes per second

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

450MB/s1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026ATTO: 350 MB/s (240GB), 450 MB/s (480GB), 450 MB/s (960GB). Same test conditions as read. Base value is the 960GB model, the largest capacity on the datasheet2Maker spec sheet (PDF)kingston.com/datasheets/SA400S37_us.pdfRead 15 October 2026Same ATTO figures: 350 MB/s (240GB) and 450 MB/s (480GB and 960GB). 120GB is 320 MB/s

520MB/s2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026Sequential Write up to 525 (4TB), 520 (2TB), 520 (1TB) and 510 (500GB) MB/s3Maker spec sheet (PDF)media.bechtle.com/asrc/180712/1c4b3d4ee288fc9434f5175bf56070570/c3/-/30f4e0dd49fc49b18a552c4c9448d267/wd-blue-sa510-2-tb-ssd-datenblatt-1Read 20 October 2026Sequential writes up to 440 (250GB), 510 (500GB) and 520 (1TB, 2TB, 4TB) MB/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.

Not available

89,000IOPS2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026Random Read up to 85K (4TB), 89K (2TB), 89K (1TB) and 78K (500GB) IOPS. No queue depth is named3Maker spec sheet (PDF)media.bechtle.com/asrc/180712/1c4b3d4ee288fc9434f5175bf56070570/c3/-/30f4e0dd49fc49b18a552c4c9448d267/wd-blue-sa510-2-tb-ssd-datenblatt-1Read 20 October 2026Random reads up to 80,000 (250GB) and 90,000 IOPS (500GB to 4TB). No queue depth is named

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

75,000IOPS2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026Random Write up to 76K (4TB), 75K (2TB), 74K (1TB) and 73K (500GB) IOPS. No queue depth is named3Maker spec sheet (PDF)media.bechtle.com/asrc/180712/1c4b3d4ee288fc9434f5175bf56070570/c3/-/30f4e0dd49fc49b18a552c4c9448d267/wd-blue-sa510-2-tb-ssd-datenblatt-1Read 20 October 2026Random writes up to 78,000 (250GB), 82,000 (500GB and 1TB) and 87,000 IOPS (2TB and 4TB)

Endurance and reliability

2 of 3 differ

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

300TB1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026TBW row: 240GB 80 TB, 480GB 160 TB, 960GB 300 TB. Footnote 4: derived from the JEDEC workload JESD219A. Base value is the 960GB model2Maker spec sheet (PDF)kingston.com/datasheets/SA400S37_us.pdfRead 15 October 2026Same TBW: 80 TB, 160 TB and 300 TB. 120GB is 40 TB

700TB2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026Endurance (TBW): 1000 (4TB), 700 (2TB), 400 (1TB), 300 (500GB). Footnote 4: JEDEC client workload JESD219. Footnote 5: the warranty ends at 5 years or the TBW limit, whichever comes first3Maker spec sheet (PDF)media.bechtle.com/asrc/180712/1c4b3d4ee288fc9434f5175bf56070570/c3/-/30f4e0dd49fc49b18a552c4c9448d267/wd-blue-sa510-2-tb-ssd-datenblatt-1Read 20 October 2026Endurance (TBW): 100 (250GB), 200 (500GB), 400 (1TB), 500 (2TB), 600 (4TB). Footnote 7: JEDEC client workload JESD219

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.

2,000,000h1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026Life expectancy row reads 2 million hours MTBF. The 2022 US and Latin America datasheets (MKD-393.5US) read 1 million hours MTBF, and retailer copies also say 1,000,000. The newest datasheet is stored2Maker spec sheet (PDF)kingston.com/datasheets/SA400S37_us.pdfRead 15 October 2026Life expectancy 1 million hours MTBF. This disagrees with the 2024 datasheet, which reads 2 million hours. The 2024 value is stored

2,250,000h2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026MTTF (up to hours) 2.25M for every capacity. Footnote 4: Mean Time To Failure from Telcordia SR-332 stress testing at 25 C, not a warranty. Stored as MTTF3Maker spec sheet (PDF)media.bechtle.com/asrc/180712/1c4b3d4ee288fc9434f5175bf56070570/c3/-/30f4e0dd49fc49b18a552c4c9448d267/wd-blue-sa510-2-tb-ssd-datenblatt-1Read 20 October 2026MTTF up to 1.75 million hours for every capacity. Footnote 8: Telcordia stress tests, sample based, not a warranty. Stored as MTTF

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

Min0Max70°C1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026Operating temperature 0 to 70 C. Storage range of -40 to 85 C is not stored2Maker spec sheet (PDF)kingston.com/datasheets/SA400S37_us.pdfRead 15 October 20260 to 70 C, same as the 2024 datasheet

Min0Max70°C2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026Operating temperatures 0 C to 70 C. The non-operating range of -55 C to 85 C is not stored. Footnote 8: operating temperature is the temperature the drive reports3Maker spec sheet (PDF)media.bechtle.com/asrc/180712/1c4b3d4ee288fc9434f5175bf56070570/c3/-/30f4e0dd49fc49b18a552c4c9448d267/wd-blue-sa510-2-tb-ssd-datenblatt-1Read 20 October 2026Operating temperatures 0 C to 70 C. Footnote 12: the SSD box is rated up to 60 C

Power

6 of 6 differ

Power while reading (claimed)iMaker's average power during sequential reads, including a figure given at the full read speed. A single average or active figure with no read and write split, such as Corsair's, is stored in both read and write, and the source note says so. A maximum figure, such as Kingston's (MAX) Read, is a peak and is not stored.

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1.05W2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026Average Active Power: 1090 (4TB), 1050 (2TB), 1010 (1TB) and 970 (500GB) mW. Footnote 3: measured during continuous sequential read or write activity, averaged over 10 microsecond intervals, with IOMeter and DIPM on. The row has no read and write split, so the figure is stored in both read and write

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

1.05W2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026Same Average Active Power figure as the read field. The data sheet gives no read and write split

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.

1.535W1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026Power consumption row reads 0.195W idle / 0.279W avg / 0.642W (MAX) read / 1.535W (MAX) write. The higher max figure is stored, 1.535 W for write. The max read figure is 0.642 W. The datasheet gives no test tool, so the figures are as published2Maker spec sheet (PDF)kingston.com/datasheets/SA400S37_us.pdfRead 15 October 2026Same power row: 0.642 W max read and 1.535 W max write

2.59W2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026Max Read Operating and Max Write Operating, in mW. 4TB: 1800 and 4650. 2TB: 1520 and 2590. 1TB: 1490 and 1800. 500GB: 1510 and 1700. The higher one is stored3Maker spec sheet (PDF)media.bechtle.com/asrc/180712/1c4b3d4ee288fc9434f5175bf56070570/c3/-/30f4e0dd49fc49b18a552c4c9448d267/wd-blue-sa510-2-tb-ssd-datenblatt-1Read 20 October 2026Max read operating and max write operating, in mW. 250GB, 500GB, 1TB: 1800 and 2000. 2TB: 1600 and 1500. 4TB: 1500 and 1500. Footnote 11: measured during continuous sequential read or write, averaged over 1 second intervals. The higher one is stored

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.

279mW1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 20260.279W Avg is stored as 279 mW. The A400 datasheet does not name the workload behind the average. The 0.195 W idle figure is not stored, since the datasheet names no low-power state2Maker spec sheet (PDF)kingston.com/datasheets/SA400S37_us.pdfRead 15 October 2026Same 0.279 W avg figure

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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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34mW2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026Slumber: 33 (4TB), 34 (2TB), 31 (1TB) and 31 (500GB) mW. Slumber is the SATA low-power idle state3Maker spec sheet (PDF)media.bechtle.com/asrc/180712/1c4b3d4ee288fc9434f5175bf56070570/c3/-/30f4e0dd49fc49b18a552c4c9448d267/wd-blue-sa510-2-tb-ssd-datenblatt-1Read 20 October 2026Slumber: 36 mW (250GB to 1TB), 62 (2TB) and 63 (4TB)

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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9mW2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026DevSlp: 10 (4TB), 9 (2TB), 10 (1TB) and 9 (500GB) mW. DevSleep is the SATA deepest sleep state3Maker spec sheet (PDF)media.bechtle.com/asrc/180712/1c4b3d4ee288fc9434f5175bf56070570/c3/-/30f4e0dd49fc49b18a552c4c9448d267/wd-blue-sa510-2-tb-ssd-datenblatt-1Read 20 October 2026DevSlp: 12 mW (250GB to 1TB) and 5 mW (2TB and 4TB)

Measured

None of 9 known

Sequential read (measured)iCrystalDiskMark SEQ1M Q8T1 read result from a reviewer. Host and slot are in the source note. KitGuru's default profile counts as SEQ1M Q8T1.

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

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

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

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

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

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

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Highest temperature under load (measured)iHighest drive sensor reading in a sustained write test of 10 minutes or more, on the bare drive unless the row is a heatsink version. Short benchmark runs do not count. Heatsink, airflow and room temperature go in the source note.

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

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Cooling and build

None of 4 known

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

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RGB lightingiAny version sold has lighting the user can set. A status LED alone does not count. Leave it out when no version has lighting. The Heatsink rows show which version has it.

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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.

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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.

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Software

Kingston SSD Manager1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026Footnote 3 says the SSD Life Remaining value can be read with Kingston SSD Manager

SanDisk Dashboard1Maker product pagesandisk.com/products/ssd/internal-ssd/wd-blue-sa510-sata-2-5-ssdRead 20 October 2026Page: free downloadable Sandisk Dashboard (Windows only) that monitors performance, temperature and used and available space. Acronis True Image for Sandisk data migration software is also offered as a download2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026Highlights name the downloadable Sandisk Dashboard application (Windows only) and the Acronis True Image for Sandisk data migration software

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.

PC (no OS named)1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026Text says the drive is designed for desktop and notebook computer workloads and not for server environments. Stored as PC, since no operating system is named

Windows1Maker product pagesandisk.com/products/ssd/internal-ssd/wd-blue-sa510-sata-2-5-ssdRead 20 October 2026Each block lists Compatibility Windows 10+. The page names no other system

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.

Length100Width69.9Height7mm(3.9 × 2.8 × 0.3 in)1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026Dimensions row reads 100.0mm x 69.9mm x 7.0mm (2.5 inch)2Maker spec sheet (PDF)kingston.com/datasheets/SA400S37_us.pdfRead 15 October 2026100.0mm x 69.9mm x 7.0mm for the 2.5 inch drive

Length100.25Width69.9Height7mm(3.9 × 2.8 × 0.3 in)2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026Physical Dimensions row: 100.25 mm x 69.9 mm x 7 mm for every capacity. Footnote 10: length, width and thickness may vary by plus or minus 0.1 mm. The row does not name the axes, so 100.25 is the length, 69.9 the width and 7 the thickness3Maker spec sheet (PDF)media.bechtle.com/asrc/180712/1c4b3d4ee288fc9434f5175bf56070570/c3/-/30f4e0dd49fc49b18a552c4c9448d267/wd-blue-sa510-2-tb-ssd-datenblatt-1Read 20 October 20262.5 inch size 100.2 mm x 69.85 mm x 7 mm. The axes are not named, so 100.2 is the length, 69.85 the width and 7 the thickness

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.

41.9g(1.5 oz)1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026Weight row: 41 g (240-480GB), 41.9 g (960GB). Base value is the 960GB model2Maker spec sheet (PDF)kingston.com/datasheets/SA400S37_us.pdfRead 15 October 202641g (240-480GB) and 41.9g (960GB). 39 g for the 120GB 2.5 inch

33.3g(1.2 oz)2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026Weight row: 34.5 g (4TB), 33.3 g (2TB), 33.1 g (1TB) and 33 g (500GB), plus or minus 1 g. The Sandisk page prints 34.5 g for the 500GB, 1TB and 2TB blocks. The data sheet is preferred. The base is the 2TB column3Maker spec sheet (PDF)media.bechtle.com/asrc/180712/1c4b3d4ee288fc9434f5175bf56070570/c3/-/30f4e0dd49fc49b18a552c4c9448d267/wd-blue-sa510-2-tb-ssd-datenblatt-1Read 20 October 20262.5 inch weight 34.6 g plus or minus 1 g for every capacity

In the box

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In the box

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WD Blue SA510 2.5” SATA SSD1Maker product pagesandisk.com/products/ssd/internal-ssd/wd-blue-sa510-sata-2-5-ssdRead 20 October 2026In The Box row reads WD Blue SA510 2.5 inch SATA SSD. The Acronis True Image data migration software is a download, not a box item

Cables includediCables supplied with an external drive.

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Links

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Product page

www.kingston.com/en/ssd/a400-solid-state-drive3Maker product pagekingston.com/en/ssd/a400-solid-state-driveRead 15 October 2026The page returned a Cloudflare challenge on 2026-10-15, so it was not read. The URL is the maker's product page for the A400, as shown in search results with the title A400 Solid State Drive - 240GB-960GB, which matches the 2024 datasheet title

www.sandisk.com/products/ssd/internal-ssd/wd-blue-sa510-sata-2-5-ssd1Maker product pagesandisk.com/products/ssd/internal-ssd/wd-blue-sa510-sata-2-5-ssdRead 20 October 2026

Spec sheet

www.kingston.com/datasheets/sa400_en.pdf1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026Kingston datasheet MKD-01032024, PDF created March 2024, titled A400 Solid State Drive - 240GB-960GB. It is the current global datasheet

documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdf2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026Sandisk data sheet for the WD Blue SA510 SATA SSD, dated January 2026. It lists 500GB, 1TB, 2TB and 4TB with the 5B0A codes WDS500G5B0A, WDS100T5B0A, WDS200T5B0A and WDS400T5B0A. It has no 250GB column. The base values of this product are the 2TB WDS200T5B0A column

Manual

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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.

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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.

3years1Maker spec sheet (PDF)kingston.com/datasheets/sa400_en.pdfRead 15 October 2026Limited 3-year warranty with free technical support. Footnote 3 adds that the warranty runs 3 years or until Life Remaining is used up. The datasheet is global and names no market2Maker spec sheet (PDF)kingston.com/datasheets/SA400S37_us.pdfRead 15 October 2026Limited 3-year warranty with free technical support

5years1Maker product pagesandisk.com/products/ssd/internal-ssd/wd-blue-sa510-sata-2-5-ssdRead 20 October 20265-Year Limited Warranty in every block. The data sheet adds: 5 years or the TBW limit, whichever comes first. Regional terms are on the Sandisk support site2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/wd-blue-ssd/data-sheet-wd-blue-sa510-sata-ssd.pdfRead 20 October 2026Limited Warranty row: 5 years

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