Kingston A400 480GB
Score: 54/100
Samsung 870 EVO 500GB
Score: 78/100Rankings
The Samsung 870 EVO 500GB SATA SSD provides dependable SATA III performance, strong random IOPS, and robust encryption, making it a solid upgrade for legacy PCs and laptops.
The Kingston A400 480 GB SATA SSD delivers budget-friendly performance improvements over mechanical drives, offering up to 500 MB/s reads and 450 MB/s writes with low power draw. It is ideal for older desktops and laptops that need a simple, cost-effective upgrade.
| Attribute | | |
|---|---|---|
480 GB | 500 GBbest | |
500 MB/s | 560 MB/sbest | |
450 MB/s | 530 MB/sbest | |
— | 98,000 IOPSbest | |
— | 88,000 IOPSbest | |
160 TBW | 300 TBWbest | |
3 yearsbest | 3 yearsbest | |
| ↓ lower better | 0.279 Wbest | 2.2 W |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(3) | ||
Sequential Read Speed (MB/s) | 500 MB/s | 560 MB/s |
Sequential Write Speed (MB/s) | 450 MB/s | 530 MB/s |
Interface | SATA III | SATA 6 Gb/s |
Storage(4) | ||
Capacity (GB) | 480 GB | 500 GB |
NAND Type | 3D TLC | 3-bit MLC |
Endurance (TBW) (TBW) | 160 TBW | 300 TBW |
MTBF (hours) | 1000000 hours | 1500000 hours |
Power & Energy(2) | ||
Idle Power Consumption (W) | 0.195 W | 0.03 W |
Active Power Consumption (W) | 0.279 W | 2.2 W |
Design & Build(2) | ||
Weight (g) | 41 g | 45.0 g |
Thickness (mm) | 7 mm | 69.85 mm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers position the A400 as a budget-friendly, value-driven SSD that revitalises older PCs. They praise its durability, low power draw and ease of installation, while noting the 2-channel controller limits peak performance and that it falls short of premium SATA or NVMe drives in speed and endurance.
Everyday users overwhelmingly appreciate the noticeable speed uplift and simple upgrade path, calling it a "no-brainer" for aging laptops. Common complaints revolve around occasional performance slowdown over time, missing mounting screws, and the drive's unsuitability for heavy-duty tasks.
“No-brainer upgrade for aging laptops.”
“Great value for a simple SSD swap.”
“Performance slowed after months of heavy use.”
The 870 EVO is ideal for users who want premium SATA performance and longevity; the A400 is sufficient for budget-conscious users upgrading from HDDs.
Professional reviewers praise the 870 EVO as a top-tier SATA SSD with excellent performance, high endurance, and strong reliability thanks to Samsung's V-NAND and MKX controller.
Users report dramatic speed gains after upgrading from HDDs, noting near-instant boot times and smoother applications, while noting the SATA speed ceiling and missing accessories.
