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Sandisk 520 SATA SSD

SandiskSSD

520 SATA SSD

Released May 2026.3Press articleithome.com/0/956/269.htmRead 14 October 2026IT Home on 2026-05-28 reports the 520 and 320 spotted on overseas shopping sites. No price or release date was published by Sandisk. Retail listings followed, for example Japanese sales of the 2TB from 2026-09-17 reported by the retailer Tsukumo. The first listing month is used Last checked 14 October 2026.

Interface
SATA
Form factor
2.5-inch
Capacity
500 GB, 1 TB, 2 TB, 4 TB
Read speed
560MB/s

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All specs

SourceCalculated

General

Series
Not available
Model numbers
SDSS51500GAB-000G0, SDSS51100TAB-000G0, SDSS51200TAB-000G0, SDSS51400TAB-000G01Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 2026Model Numbers list: 500GB SDSS51500GAB-000G0, 1TB SDSS51100TAB-000G0, 2TB SDSS51200TAB-000G0, 4TB SDSS51400TAB-000G0. The store page showed an out of stock state in one snapshot, while retailers list the drive
GTIN / EAN
619659231767, 6196592317504Retailer pageshop.tsukumo.co.jp/goods/0619659231767Read 14 October 2026Tsukumo Japan listing for SDSS51200TAB-000G0, with EAN-13 0619659231767 in its address, which is UPC 619659231767. The 4TB code 619659231750 was seen only in a search summary of a Sumillion listing that no longer loads. Both have valid check digits. The 500GB and 1TB codes were not found
Announced
Not available
Status
Available1Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 2026The page lists the 520 as a current product. The store showed it out of stock in one snapshot. Search results show retailer listings such as Adorama and Proshop, which were not opened, and Tsukumo Japan sold the 2TB from 2026-09-17
Predecessor
Not available
Successor
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Markets
Not available
Colours
Not available
Form factor
2.5-inch1Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 20262.5-inch form factor2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 20262.5 inch, 7 mm cased
Capacity
500 GB, 1 TB, 2 TB, 4 TB1Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 2026Capacities 500GB, 1TB, 2TB and 4TB. Footnote says 1GB is 1 billion bytes

Interface

Interface
SATA1Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 20262Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 2026SATA III 6 Gbps, backwards compatible with SATA I and II. Footnote also says secure boot and secure firmware update are supported, which has no schema option
PCIe generation
Not available
PCIe lanes
Not available
NVMe version
Not available
Detachable cable
Not available

Hardware

Controller
Not available
Flash type
TLC1Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 2026Page says built with trusted SANDISK 3D NAND. The datasheet table says SANDISK TLC 3D NAND2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 2026
Flash memory
Sandisk 3D TLC2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 2026Row NAND TYPE reads SANDISK TLC 3D NAND. No generation or layer count is published
Flash layers
Not available
DRAM cache
None2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 2026Datasheet table: DRAM No, SLC cache Yes. SATA has no host memory buffer, so the value is none
DRAM cache size
Not available
Component sides
Not available

Performance

Sequential read (claimed)
560MB/s1Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 2026Per-capacity specifications: read 560 MB/s at every capacity, write 510 (500GB), 520 (1TB), 520 (2TB) and 525 (4TB). The page footnote says the speeds are based on internal testing with no tool or host named
Sequential write (claimed)
520MB/s1Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 20262Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 2026
Random 4K read (claimed)
89,000IOPS2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 2026Random read up to 78K, 89K, 89K and 85K IOPS and random write up to 73K, 74K, 75K and 76K for 500GB, 1TB, 2TB and 4TB. Queue depth and threads are not stated
Random 4K write (claimed)
75,000IOPS2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 2026

Endurance and reliability

Endurance (TBW)
700TB1Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 2026Endurance (TBW) 300, 400, 700 and 1,000 for 500GB, 1TB, 2TB and 4TB. TBW follows JEDEC client workload JESD2192Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 2026
MTBF or MTTF (claimed)
2,250,000h1Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 2026Page says up to 2.25M hours MTTF. Published as MTTF, stored as MTBF2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 2026MTTF up to 2.25M hours, based on Telcordia SR-332 stress testing at 25 C. Stored as MTBF
Operating temperature
Min0Max70°C1Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 20262Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 20260 to 70 C as reported by the drive. Non-operating -55 to 85 C, shock 1,500 G at 0.5 ms and vibration figures are not stored

Power

Power while reading (claimed)
Not available
Power while writing (claimed)
Not available
Max power consumption (claimed)
2.59W2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 2026Max Read Operating 1.51, 1.49, 1.52 and 1.8 W. Max Write Operating 1.7, 1.8, 2.59 and 4.65 W. The higher write figure is stored. Footnote 3 says IOMeter with DIPM enabled, averaged over 10 microsecond intervals during continuous sequential read or write. Average Active Power of 0.97, 1.01, 1.05 and 1.09 W is not stored, since its workload is not stated
Average power in light use (claimed)
Not available
Idle power (claimed)
Not available
Sleep power (claimed)
9mW2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 2026DevSlp 9, 10, 9 and 10 mW for 500GB, 1TB, 2TB and 4TB. Slumber of 31, 31, 34 and 31 mW is a SATA link state and is not stored

Measured

We could not find any of these 9 fields. Show them
Sequential read (measured)
Not available
Sequential write (measured)
Not available
Random 4K read at queue depth 1 (measured)
Not available
Random 4K write at queue depth 1 (measured)
Not available
Write cache size (measured)
Not available
Write speed after the cache (measured)
Not available
3DMark Storage Benchmark
Not available
Highest temperature under load (measured)
Not available
Idle power (measured)
Not available

Cooling and build

We could not find any of these 4 fields. Show them
Heatsink
Not available
RGB lighting
Not available
Dust and water rating
Not available
Drop test height
Not available

Security and software

Security
Not available
Software
SanDisk Dashboard1Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 2026Page names the downloadable SANDISK Dashboard (Windows only) and the free Acronis True Image for SANDISK migration software2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 2026

Compatibility

We could not find any of these 1 fields. Show them
Platforms
Not available

Dimensions and weight

Front and side, drawn to scale.

Dimensions
Length100.5Width69.85Height7mm(4 × 2.8 × 0.3 in)1Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 2026Page prints 3.95 x 2.75 x 0.28 inches. The datasheet gives 100.50 x 69.85 x 7.0 mm, which is stored2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 2026SIZE row 100.50 x 69.85 x 7.0 mm, weight 34.5 g. Footnote 9 says length and width vary by 0.15 mm and weight by 1 g
Weight
34.5g(1.2 oz)1Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 202634.5 g for every capacity2Maker spec sheet (PDF)documents.sandisk.com/content/dam/asset-library/en_us/assets/public/sandisk/product/internal-drives/520-sata-ssd/data-sheet-520-sata-ssd.pdfRead 14 October 2026

In the box

In the box
SANDISK 520 SATA SSD1Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 2026In The Box row: SANDISK 520 SATA SSD
Cables included
Not available

Warranty

Manufacturer warranty (source market)
5years1Maker product pagesandisk.com/products/ssd/internal-ssd/sandisk-520-sata-ssdRead 14 October 20265-year limited warranty, or the TBW limit, whichever occurs first

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Variants

Each variant lists only what differs from the specs above.

Model numberGTIN / EANCapacitySequential read (claimed)Sequential write (claimed)Random 4K read (claimed)Random 4K write (claimed)Endurance (TBW)Max power consumption (claimed)Sleep power (claimed)
SDSS51500GAB-000G0Not available500 GB560 MB/s510 MB/s78,000 IOPS73,000 IOPS300 TB1.7 W9 mW
SDSS51100TAB-000G0Not available1 TB560 MB/s520 MB/s89,000 IOPS74,000 IOPS400 TB1.8 W10 mW
SDSS51200TAB-000G06196592317672 TB560 MB/s520 MB/s89,000 IOPS75,000 IOPS700 TB2.59 W9 mW
SDSS51400TAB-000G06196592317504 TB560 MB/s525 MB/s85,000 IOPS76,000 IOPS1,000 TB4.65 W10 mW

Sources

We read 4 sources for this SSD. The numbers match the markers in the sheet.

  1. Read 14 October 2026Backs 18 fields
  2. Read 14 October 2026Backs 18 fields
  3. Read 14 October 2026Backs 1 field
  4. Read 14 October 2026Backs 1 field

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