Kingmax PX4480 1Tb NVMe SSD technical specs

Posted on November 07, 2022 by Raymond Chen

Kingmax's PX4480 NVMe works on PCIe M.2 4.0 x 4 interface. Detailed characteristics of this NVMe on this site.

Kingmax PX4480 1Tb NVMe SSD technical specs

PX4480 (1Tb) produced by Kingmax is powered by Phison PS5016-E16. This SSD has Dynamic-Random Access Memory SLC Caching DRAM cache for mapping data, located on the drive. The PX4480 comes equipped with 3D Nand memory. SSD also available in 2 Tb and 500 Gb capacities.

Performance and benchmarks

Drive works on PCIe M.2 4.0 x 4 interface with read speeds 5000 Mbps, and sequential write speeds equals to 4400 Mbps. PX4480 has IOPS 700000 on writing and 750000 on reading operations per second.

Endurance and warranty

Manufacturer give 3 years warranty for this product that limited by 1767 TBW. As well it has 1.7 million hours MTBF.


Category Value
Capacity 1 Tb
Interface M.2 4.0 x 4
Controller Phison PS5016-E16
Memory type 3D Nand
DRAM SLC Caching DRAM cache
Read speed (Mb/s) 5000
Write speed (Mb/s) 4400
Read IOPS 750000
Write IOPS 700000
Endurance (TBW) 1767
MTBF (million hours) 1.7
Warranty (years) 3


PX4480 (1Tb) produced by Kingmax use PCIe Gen4 that is undoubtedly faster than PCIe 3. The sequential write speed is 4400 Mb/s, that is average value for this expansion standard. The SSD has endurance 1767 TBW, that is pretty well compared to nearest rivals. Overall, we recommend to purchase Kingmax PX4480 1Tb for your PC.

+ Pros

  • Good writing speed
  • PCIe 4.0
  • Capacity
  • Endurance

- Cons

  • None

Buy this or similar SSD:

Video Review

KINGMAX Announces PX4480 M 2 NVMe PCIe Gen 4 x4 SSD Series


The Kingmax PX4480 has SLC Caching DRAM cache. DRAM in their controller help to increase endurance and input/output performance.

The Kingmax PX4480 due to the low density of memory chips able to work without extra cooling systems. Some laptops or motherboards already has thermal pads above and below the storage for improving productivity during high loads.

The Kingmax PX4480 1Tb has maximum write speed 4400 Mb per second, maximum read speed 5000 Mb per second. Storage works on Phison PS5016-E16 controller and M.2 4.0 x 4 interface standard. The flash memory type is 3D Nand.
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