Seagate FireCuda 520 1Tb SSD technical specs

Posted on November 07, 2022 by Raymond Chen

Seagate's FireCuda 520 use PCIe M.2 4.0 x 4 interface. More details about this SSD on this site.

Seagate FireCuda 520 1Tb SSD technical specs

Seagate's 1Tb FireCuda 520 SSD works on Phison PS5016-E16 controller. The internal SSD write a data location map on DRAM Nanya DDR4 to open a files without delays. The FireCuda 520 comes equipped with Toshiba 3D TLC memory. This NVMe also available in 500 Gb and 2 Tb capacities.

Performance and benchmarks

Seagate FireCuda 520 works on PCIe M.2 4.0 x 4 interface with sequential write speeds equals to 4400 MB/s, and sequential read speeds 5000 Mbps. FireCuda 520 has IOPS 750000 on reading and 700000 on writing operations per second.

Endurance and warranty

Seagate provide 5 years warranty period limited by 1767 TBW. As well it has 1.8 million hours mean time between failure.


Category Value
Capacity 1 Tb
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) 1767
MTBF (million hours) 1.8
Warranty (years) 5


FireCuda 520 (1Tb) produced by Seagate support PCIe 4 that is undoubtedly faster than PCIe 3. The sequential write speed is 4400 Mb/s, that is average value for this interface. The SSD provide possibility to write 1767 TBW, that is pretty well against closest competitors. Weighing all these factors, our site highly recommend to buy Seagate FireCuda 520 1Tb for your PC.

+ Pros

  • Good writing speed
  • PCIe 4.0
  • Capacity
  • Endurance

- Cons

  • None

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. Dynamic Random-Access Memory makes drive faster, but also more expensive.

The Seagate FireCuda 520 1Tb due to the low density of memory chips may function without extra cooling systems. Some motherboards or laptops already has thermal pads below or above the storage to improve performance during times of heavy loads.

The FireCuda 520 1Tb has maximum write speed 4400 Mb per second, sequential read speed 5000 Mb per second. Storage operate 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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