Seagate FireCuda 520 SSD with PCIe Gen4 x4 interface is our fastest solid state drive — nearly 45% faster sequential reads/writes than the previous generation. It provides plug-and-play compatibility with all PCIe 4.0 motherboards, and delivers an extreme boost in performance with the latest 3D TLC NAND technology. Upgrading to the FireCuda 520 unlocks Gen4 speed and supplies up to 9x faster sequential reads than SATA SSDs.
Creative professional systems
High-performance PCs and workstations
Leverage sequential read/write performance up to 5,000/4,400 MB/s, and random read/write up to 760K/700K IOPS.
Take advantage of up to 45% more speed than Gen3 M.2 NVMe and up to 9x faster sequential reads than SATA SSDs.
Utilise an E16 controller that is fully aligned with AMD X570 chipset motherboards and able to reach up to 5 GB/s reads/4.4 GB/s writes.
Easily upgrade to a drive that’s compatible with Gen4 motherboards and fully backwards compatible with all PCIe 3.0 platforms.
Enjoy the latest NAND technology, which provides the most advanced speed and durability for your money.
Choose from multiple capacities (up to 2 TB), and store your gaming library on your boot drive.
Download our free SeaTools SSD software to take advantage of drive performance reporting, S.M.A.R.T. attributes, health monitoring, firmware updates, diagnostics,
managing logs — and multiple gamer theme options.
PCIe Gen4 x4 NVMe SSD
Sequential Read & Write
Read: 5000 MB/s
Write: 4400 MB/s
Lifetime Work Rate
Physical Drive Size
Dimensions (W x H x D)
22.15 X 2.23 X 80.15mm
Seagate 1TB FireCuda 520 M.2 Gen 4 NVMe SSD