Patriot P400 512Gb NVMe technical review

Posted on February 05, 2024 by Raymond Chen

Patriot's P400 works on PCIe M.2 4.0 x 4 computer expansion bus standard. Read below about this NVMe SSD here.

Patriot P400 512Gb NVMe technical review

Patriot's 512Gb P400 NVMe SSD use Innogrit Rainier IG5220 controller. The drive storing a data location map on Dynamic-Random Access Memory HMB to open a files without delays. The P400 comes equipped with Micron 3D TLC memory. Internal SSD also available in 1 Tb capacity.

🚀 Performance and benchmarks

This NVMe use PCIe M.2 4.0 x 4 with sequential read speeds 5000 Mbps, and sequential write speeds 4800 Mbps. This model has input/output performance 620000 on reading and 550000 on writing operations per second.

🖥️ Endurance and warranty

Patriot give 3 years warranty for this product that limited by 800 TBW.

📊 Specs

Category Value
Capacity 512 Gb
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


P400 (512Gb) produced by Patriot use PCIe 4 that is undoubtedly faster than previous bus standard. The sequential write speed is 4800 Mbps, that is okay for this computer expansion bus standard. The Internal SSD has endurance 800 TBW, that is pretty good against competitors. When everything is weighed in the balance, our site recommend to buy Patriot P400 512Gb for your PC.

+ Pros

  • Good writing speed
  • PCIe 4.0
  • Endurance

- Cons

  • Capacity

🛒 Buy this or similar SSD Storage:

Samsung 980 Pro 2 Tb

-57% $165
List Price: $379.99

Buy on Amazon

✨ Video Review

Patriot P400 512GB Internal SSD - NVMe PCIe M.2 Gen4 x 4 - Low-Power Consumption Solid State Review

⁉️ FAQ

The Patriot P400 has HMB. Which means that the drive uses the system's RAM for its proprietary operations. DRAM in their controller help to improve input/output performance and endurance.

The Patriot P400 due to the low density of memory chips able to run without extra heat sinks. Some motherboards or laptops from the factory has additional cooling below and above the storage to improve performance during times of high loads.

The P400 512Gb has write speed 4800 Mb/s, maximum read speed 5000 Mb/s. Storage operate on Innogrit Rainier IG5220 controller and M.2 4.0 x 4 high-speed serial computer expansion bus standard. The NAND memory type is Micron 3D TLC.
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