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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

  • Used ForConsumer
  • Form FactorM.2 2280
  • Capacity1TB
  • InterfacePCI-Express 4.0 x4
  • ProtocolNVMe 2.0
  • CacheNo DRAM (HMB)

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.

Highlights

  • 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

Specifications

BrandPatriot
SeriesP400 Lite
ModelP400LP1KGM28H
Part NumberP400LP1KGM28H
Used ForConsumer
Form FactorM.2 2280
Capacity1TB
InterfacePCI-Express 4.0 x4
ProtocolNVMe 2.0
CacheNo DRAM (HMB)
Max Sequential ReadUp to 3500 MBps
Max Sequential WriteUp to 2700 MBps
HeatSinkwithout HeatSink
FeaturesCapacity 1TB - Built with the latest PCIe 4X4 controller
End to end data path protection
High efficiency slim Graphene heatshield
O/S Supported: Windows 7*/8.0*/8.1/11
Sequential Read (ATTO): up to 3,500MB/s ; Sequential Write (ATTO): up to 2,400MB/s
Shipping weight0.02 kg
Package size131 × 102 × 4 mm

Other versions of this model

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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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