Patriot P400 1Tb SSD technical specifications

Posted on February 05, 2024 by Raymond Chen

Patriot's P400 SSD works on PCIe M.2 4.0 x 4 interface. More details about this SSD here.

Patriot P400 1Tb SSD technical specifications

Patriot's 1Tb P400 SSD works on Innogrit Rainier IG5220. The drive write a data location map on Dynamic-Random Access Memory HMB to open a files without delays. The P400 comes equipped with Micron 3D TLC flash memory. Patriot P400 is offered also in 512 Gb volume sizes.

🚀 Performance and benchmarks

Patriot P400 works on PCIe M.2 4.0 x 4 with maximum write speeds 4800 Mbps, and sequential read speeds 5000 Mbps. This model has IOPS 620000 on reading and 550000 on writing operations per second.

🖥️ Endurance and warranty

Manufacturer give 3 years warranty period limited by 800 TBW.

📊 Specs

Category Value
Capacity 1 Tb
Interface M.2 4.0 x 4
Controller Innogrit Rainier IG5220
Memory type Micron 3D TLC
Read speed (Mb/s) 5000
Write speed (Mb/s) 4800
Read IOPS 620000
Write IOPS 550000
Endurance (TBW) 800
MTBF (million hours) n/a
Warranty (years) 3


Patriot P400 1Tb use PCIe 4 that is significantly faster than PCIe 3.0. The maximum write speed is 4800 Mb/s, that is average value for this computer expansion bus standard. The drive provide possibility to write 800 TBW, that is pretty well against rivals. Weighing all these factors, our site strongly recommend to have Patriot P400 1Tb for your PC.

+ Pros

  • Good writing speed
  • PCIe 4.0
  • Capacity
  • Endurance

- Cons

  • None

🛒 Buy this or similar SSD Storage:

Samsung 980 Pro 2 Tb

-57% $165
List Price: $379.99

Buy on Amazon

✨ Video Review

How fast is this DRAM-less SSD? Patriot P400 1TB NVMe SSD Review

⁉️ FAQ

The Patriot P400 has HMB. It means that the drive uses the system's random-access memory for its own activities. Dynamic Random-Access Memory in their controller help to improve endurance and IOPS.

The Patriot P400 due to the low density of memory chips able to work with no extra heat sinks. Some laptops or motherboards already has additional cooling below or above the drive to improve performance during high loads.

The P400 1Tb has sequential write speed 4800 Mb per second, sequential read speed 5000 Mb per second. SSD operate on Innogrit Rainier IG5220 controller and M.2 4.0 x 4 interface standard. The NAND flash memory type is Micron 3D TLC.
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