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Thin green circuit board M.2 2280 SSD with graphene heatshield label

Patriot Memory

Patriot Memory P400LP1KGM28H 1TB internal SSD

SKU CH-RB4C-736WJ MPN P400LP1KGM28H

A 1TB M.2 2280 internal SSD using PCIe 4.0 x4 and NVMe 2.0, reaching 3500 MBps read and 2700 MBps write with a graphene heatshield and no DRAM cache

  • Total capacity1 TB
  • Sequential read speedUp to 3,500 MB/s
  • Sequential write speedUp to 2,700 MB/s
  • Interface typePCI-Express 4.0 x4
  • Form factorM.2 2280
  • Intended useConsumer

Capacity P400 Lite Gen 4

Speed 1TB 3,500MB/s

  • Fast boot and load times with sequential reads up to 3500 MB/s
  • Quick file saves and transfers with sequential writes up to 2700 MB/s
  • Reliable data integrity through end-to-end datapath protection
  • Cool operation under load via graphene heatshield and thermal throttling
  • Broad system compatibility with M.2 2280 form factor and PCIe 4.0 x4 interface

1TB NVMe SSD for everyday PCs

The Patriot P400 Lite is an M.2 2280 drive with a PCIe 4.0 x4 interface and NVMe 2.0 protocol. It delivers sequential reads up to 3500 MB/s and writes up to 2700 MB/s. The 1TB capacity suits operating systems, applications and game libraries.

Upgrade from Gen 3 or DRAM-less Gen 4

Moving from a PCIe 3.0 drive doubles the interface bandwidth to 4.0, cutting load times for large files. The jump is worth it when the motherboard has an M.2 slot wired for Gen 4 and the workload moves multi-gigabyte assets regularly.

Gen 4 x4 ceiling and thermal limits

The x4 link caps throughput at the quoted 3500 MB/s read and 2700 MB/s write; a faster controller cannot exceed the lane budget. The graphene heatshield manages heat without a bulky sink, but sustained writes in a closed laptop can still trigger thermal throttling above 70°C.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $122.99
Cheaper than about 66% of the 1,994 comparable items (median $180.49).
Total capacity 1 TB
Typical for this category: the median of 1,368 items is 1 TB.
Sequential read speed Up to 3,500 MB/s
Higher than about 60% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $122.99 per TB
Cheaper than about 71% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand namePatriot
Product lineP400 Lite
Model nameP400LP1KGM28H
Part numberP400LP1KGM28H
Total capacity1 TB
Intended useConsumer
Performance
Sequential read speedUp to 3,500 MB/s
Sequential write speedUp to 2,700 MB/s
Storage
Cache memoryNo DRAM (HMB)
Connectivity
Connection protocolNVMe 2.0
Ports & slots
Interface typePCI-Express 4.0 x4
Size & build
Form factorM.2 2280
Heat sinkWithout HeatSink
Shipping weight0.02 kg
Package size131 × 102 × 4 mm

Other versions of this model

5 more in the same range

Questions about this item

Will the M.2 2280 form factor fit my motherboard slot?

Yes, the drive uses the standard M.2 2280 size and a PCI-Express 4.0 x4 interface, so it fits any motherboard M.2 slot wired for NVMe.

What is the installation step people often miss with this PCIe 4.0 NVMe drive?

After securing the drive with the motherboard screw, enter the BIOS and verify the slot runs at PCIe 4.0 x4 rather than defaulting to a slower link width.

Does the graphene heatshield need replacement or maintenance over time?

No, the integrated graphene heatshield is a passive component with no moving parts and requires no maintenance or replacement during the drive's lifespan.

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