Western Digital WD Green
Score: 63/100
WD_BLACK SN770
Score: 80/100Rankings
The WD_BLACK SN770 2TB is a DRAM-less PCIe Gen4 SSD delivering up to 5150 MB/s reads and 4850 MB/s writes with a robust 1200 TBW endurance. Its budget-friendly price and low power draw come at the cost of no onboard DRAM and no included heatsink, which can limit sustained performance under heavy loads. Ideal for gamers and mainstream builders seeking fast sequential performance without the premium price.
The WD Green 1TB SATA SSD offers up to 545 MB/s sequential reads with ultra-low power consumption, making it a cost-effective choice for laptops and secondary storage. Its DRAM-less architecture and modest 400 TBW endurance limit performance for demanding tasks, and it's less suited as a primary boot drive. Best for budget-conscious users needing basic storage and long battery life.
| Attribute | | |
|---|---|---|
1,000 GB | 2,000 GBbest | |
545 MB/s | 5,150 MB/sbest | |
525 MB/s | 4,850 MB/sbest | |
— | 650,000 IOPSbest | |
— | 800,000 IOPSbest | |
400 TB | 1,200 TBbest | |
1,000,000 hoursbest | — | |
0 MBbest | 0 MBbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Connectivity(1) | ||
Interface | SATA III 6Gb/s | PCIe Gen4 x4 NVMe 1.4 |
Performance(2) | ||
Sequential Read Speed (MB/s) | 545 MB/s | 5150 MB/s |
Sequential Write Speed (MB/s) | 525 MB/s | 4850 MB/s |
Storage(1) | ||
Storage Capacity (GB) | 1000 GB | 2000 GB |
General(1) | ||
Warranty (years) | 3 years | 5 years |
Reliability(1) | ||
Total Bytes Written (Endurance) (TB) | 400 TB | 1200 TB |
Power & Reliability(1) | ||
Idle Power Consumption (W) | 0.03 W | 0.0033 W |
Design & Build(3) | ||
Form Factor | 2.5" 7mm | M.2 2280 |
Weight (g) | 32.6586 g | 5.5 g |
Dimensions (L×W×H) (mm) | 100.6x69.9x7.1 mm mm | 80x22x2.4 mm mm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers position the WD Green 1TB as a budget-oriented SATA SSD that excels in power efficiency and price, but its DRAM-less design and modest endurance make it unsuitable for high-performance or write-heavy scenarios.
General users praise the drive for its rapid game loading, smooth everyday performance, and easy installation, seeing it as a solid value for a 2 TB capacity. Recurring concerns revolve around thermal throttling without a heatsink and occasional slowdowns during long write operations, especially for those expecting flagship-level consistency.
“Fast game loading and smooth performance in PCs/PlayStation 5”
Professional reviewers regard the WD_BLACK SN770 as a compelling budget-friendly PCIe Gen4 SSD that punches above its weight class, delivering flagship-like sequential speeds and solid endurance while keeping costs low. They commend its value, fast load times, and low power draw, but warn that the DRAM-less design and lack of a heatsink could limit sustained performance in demanding scenarios.
General users praise the drive for its rapid game loading, smooth everyday performance, and easy installation, seeing it as a solid value for a 2 TB capacity. Recurring concerns revolve around thermal throttling without a heatsink and occasional slowdowns during long write operations, especially for those expecting flagship-level consistency.
