Seagate FireCuda 520 500Gb SSD technical specs

Posted on November 07, 2022 by Raymond Chen

Seagate's FireCuda 520 SSD works on PCIe M.2 4.0 x 4 bus. Read below about this NVMe on this site.

Seagate FireCuda 520 500Gb SSD technical specs

FireCuda 520 (500Gb) produced by Seagate works on Phison PS5016-E16. This drive has Dynamic-Random Access Memory Nanya DDR4 to keep a map of where data is located on the NVMe. The FireCuda 520 comes equipped with Toshiba 3D TLC memory. This NVMe is offered also in 1 Tb and 2 Tb capacities.

Performance and benchmarks

Storage use PCIe M.2 4.0 x 4 with maximum read speeds 5000 Mbps, and sequential write speeds equals to 4400 MB/s. This model has input/output performance 700000 on writing and 750000 on reading operations.

Endurance and warranty

Seagate provide 5 years warranty for this product that limited by 850 Total Bytes Written. As well it has 1.8 million hours mean time between failure.


Category Value
Capacity 500 Gb
Interface M.2 4.0 x 4
Controller Phison PS5016-E16
Memory type Toshiba 3D TLC
Read speed (Mb/s) 5000
Write speed (Mb/s) 4400
Read IOPS 750000
Write IOPS 700000
Endurance (TBW) 850
MTBF (million hours) 1.8
Warranty (years) 5


FireCuda 520 (500Gb) produced by Seagate support PCIe 4 that is undoubtedly faster than PCIe Gen3. The maximum write speed is 4400 Mbps, that is pretty good for this computer expansion bus standard. The Internal SSD has endurance 850 TBW, that is good compared to nearest rivals. Overall, our editor highly recommend to have Seagate FireCuda 520 500Gb for your PC.

+ Pros

  • Good writing speed
  • PCIe 4.0
  • Endurance

- Cons

  • Capacity

Buy this or similar SSD:

Video Review

Could This Be The FASTEST NVMe SSD Yet? Seagate Firecuda 520


The Seagate FireCuda 520 has Nanya DDR4. DRAM in their controller help to increase input/output performance and endurance.

The FireCuda 520 500Gb due to the low density of memory chips can function with no extra heat sinks. Some motherboards or laptops already has additional cooling below and above the SSD for better performance during times of heavy loads.

The Seagate FireCuda 520 has maximum write speed 4400 Mb/s, sequential read speed 5000 Mb per second. It works on Phison PS5016-E16 controller and M.2 4.0 x 4 interface standard. The NAND memory type is Toshiba 3D TLC.
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