ADATA Legend 840 512Gb SSD technical specifications

Posted on February 05, 2024 by Raymond Chen

Should you buy Legend 840 (512Gb) produced by ADATA and another specs explore on our page.

ADATA Legend 840 512Gb SSD technical specifications

Legend 840 (512Gb) produced by ADATA is powered by Innogrit IG5220. The Legend 840 comes equipped with 3D Nand flash memory. This drive also available in 1 Tb capacity.

🚀 Performance and benchmarks

SSD works on PCIe M.2 4.0 x 4 bus with write speeds 4500 Mbps, and read speeds 5000 Mbps. This model has input/output performance 600000 on writing and 650000 on reading operations.

🖥️ Endurance and warranty

Manufacturer provide 5 years of warranty that limited by endurance 650 TBW.

📊 Specs

Category Value
Capacity 512 Gb
Interface M.2 4.0 x 4
Controller Innogrit IG5220
Memory type 3D Nand
DRAM n/a
Read speed (Mb/s) 5000
Write speed (Mb/s) 4500
Read IOPS 650000
Write IOPS 600000
Endurance (TBW) 650
MTBF (million hours) n/a
Warranty (years) 5


Legend 840 (512Gb) produced by ADATA may work on PCIe 4 that is undoubtedly faster than PCIe 3. The sequential write speed is 4500 Mbps, that is okay for this computer expansion bus standard. The SSD can write 650 TBW, that is pretty good against nearest competitors. Weighing all these factors, we advise to buy ADATA Legend 840 512Gb for your PC.

+ Pros

  • Good writing speed
  • PCIe 4.0
  • Endurance

- Cons

  • Capacity

🛒 Buy this or similar SSD Storage:

Samsung 980 Pro 2 Tb

-57% $165
List Price: $379.99

Buy on Amazon

✨ Video Review

The Most Affordable PCIE Gen4x4 SSD with 5,000MB/s Read Speed - ADATA Legend 840

⁉️ FAQ

The ADATA Legend 840 is DRAMless SSD or data about it is unknown. DRAM makes storage work faster, but also more expensive.

The Legend 840 512Gb due to the low density of memory chips may run with no further cooling systems. Some motherboards or laptops designed with additional cooling above and below the SSD to enhance productivity during times of heavy loads.

The ADATA Legend 840 has maximum write speed 4500 Mbps, read speed 5000 Mb per second. NVMe run on Innogrit IG5220 controller and M.2 4.0 x 4 high-speed serial computer expansion bus standard. The flash memory type is 3D Nand.
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