Kingston A400 SATA SSD 480GB 2.5" Internal SA400S37/480G vs WD Green 240GB SSD – SATA/M.2, 545 MB/s

Overall winner: Kingston A400 SATA SSD 480GB 2.5" Internal SA400S37/480G

Key Differences

Kingston A400 (480GB, 2.5") offers a larger capacity and is presented as a value-oriented SATA SSD with higher absolute review counts; pick Kingston if you want more storage and a standard 2.5" form factor. WD Green (240GB, M.2 2280 option) uses SLC caching and lower power draw and is a better pick if you need an M.2 2280 module or slightly better power efficiency

Kingston A400 SATA SSD 480GB 2.5" Internal SA400S37/480G

Kingston A400 SATA SSD 480GB 2.5" Internal SA400S37/480G

Kingston • ★ 4.6/5 • Mid-Range

SATA III 2.5" internal SSD with 480GB capacity for system performance upgrades. Customers note fast boot and quick Windows setup as a key benefit, with mixed reliability feedback

Pros

  • Fast start up and quick file transfers
  • 7 mm form factor fits slim systems
  • Multiple capacities for upgrades
  • Reliable performance vs HDD (per user insight)

Cons

  • Mixed reliability reports after extended use
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WD Green 240GB SSD – SATA/M.2, 545 MB/s

WD Green 240GB SSD – SATA/M.2, 545 MB/s

Western Digital • ★ 4.5/5 • Budget

WD Green 240GB SSD with SATA III and M.2 2280 form factors. Provides efficient performance and easy installation. Customer note: solid read/write speeds and quick boot times, plus value for money

Pros

  • SLC caching boosts write performance
  • Shock-resistant and reliability certified
  • Ultra-low power draw
  • Available in 2.5"/7mm and M.2 2280 form factors

Cons

  • Mixed durability reports from customers
  • Some users experienced failures after 1.5 months
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Head-to-Head

CriteriaWinner
Price Kingston
Durability Tie
Versatility Kingston
User Reviews Kingston