Kingmax PX3480 256Gb NVMe SSD specifications

Posted on November 07, 2022 by Raymond Chen

Kingmax's PX3480 use PCIe M.2 3.0 x 4 bus. More details about this NVMe on this site.

Kingmax PX3480 256Gb NVMe SSD specifications

Kingmax's 256Gb PX3480 NVMe works on Phison PS5012-E12-27 controller. This drive has DRAM Nanya 256 - 1GB DDR3 for mapping data, located on the storage. The PX3480 comes equipped with Toshiba TLC memory. Internal SSD is offered also in 1 Tb and 512 Gb capacities.

Performance and benchmarks

Storage works on PCIe M.2 3.0 x 4 interface with maximum read speeds 3400 MB/s, and maximum write speeds equals to 3000 MB/s. This model has input/output performance 550000 on writing and 550000 on reading operations.

Endurance and warranty

Manufacturer provide 3-year warranty. The PX3480 has 2 million hours mean time between failure.


Category Value
Capacity 256 Gb
Interface M.2 3.0 x 4
Controller Phison PS5012-E12-27
Memory type Toshiba TLC
DRAM Nanya 256 - 1GB DDR3
Read speed (Mb/s) 3400
Write speed (Mb/s) 3000
Read IOPS 550000
Write IOPS 550000
Endurance (TBW) n/a
MTBF (million hours) 2
Warranty (years) 3


PX3480 (256Gb) produced by Kingmax support PCIe 3.0 that is undoubtedly slower than PCIe 4.0. The sequential write speed is 3000 Mb/s, that is common for this computer expansion bus standard. When everything is weighed in the balance, Kingmax PX3480 256Gb has more cons and our editor highly do not advise to buy it.

+ Pros

  • Good writing speed

- Cons

  • PCIe 3.0
  • Capacity

Buy this or similar SSD:

Video Review



The Kingmax PX3480 has Nanya 256 - 1GB DDR3. Dynamic Random-Access Memory in their controller help to increase input/output performance and endurance.

The PX3480 256Gb due to the low density of memory chips can last with no extra cooling systems. Some laptops or motherboards from the factory has additional cooling below or above the drive to enhance performance during times of high loads.

The PX3480 256Gb has maximum write speed 3000 Mbps, sequential read speed 3400 Mb/s. SSD run on Phison PS5012-E12-27 controller and M.2 3.0 x 4 high-speed serial computer expansion bus standard. The NAND memory type is Toshiba TLC.
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