Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
ADATA
Pricing is still being verified
Performance, endurance, NAND architecture, thermals, and compatibility.
About This Product
The ADATA LEGEND 820 is a 2TB M.2 2230 PCIe 4.0 x4 NVMe SSD. It offers sequential read and write speeds typical of mid-range PCIe Gen 4 drives, suitable for general computing and gaming. While it provides a performance uplift over PCIe 3.0 SSDs, it does not match the peak performance of high-end Gen 4 or Gen 5 drives.
Verdict
“Good for users needing a compact PCIe 4.0 SSD for general use and gaming.”
Performance, endurance, NAND architecture, thermals, and compatibility.
Sequential, random, and sustained speeds.
Sequential Read
5,000 MB/s
Sequential Write
3,200 MB/s
How long the drive lasts under sustained writes.
TBW (lifetime writes)
450 TB
Drive Writes/Day
0.12 DWPD
calculated from TBW
MTBF
1.5M hours
Warranty
5 years
Controller, NAND, and cache — what most retailers don't show you.
NAND Type
3D NAND
DRAM Cache
No
Critical for Gen5 drives and laptops.
Max Temp
70°C
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