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Green circuit board M.2 2280 SSD with black controller and silver NAND chips

Patriot Memory

Patriot Memory P400VP1TBM28H 1TB M.2 2280 PCIe 4.0 x4 internal SSD

SKU CH-4EG0-T1WJ9 MPN P400VP1TBM28H

A 1 TB M.2 2280 NVMe drive using PCIe 4.0 x4 with sequential reads up to 6000 MBps and writes up to 5000 MBps

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

Capacity P400 V4 Gen 4

speed 1TB 6,000MB/s

  • Up to 6000 MB/s read speed loads games and apps fast
  • Up to 5000 MB/s write speed saves large files quickly
  • PCIe 4.0 x4 interface unlocks full NVMe 2.0 bandwidth
  • Graphene heatshield keeps temperatures low during heavy workloads
  • DRAM-less design with HMB support reduces cost without sacrificing responsiveness

Capacity and interface

This Patriot P400 V4 is a 1TB M.2 2280 solid-state drive that connects through a PCIe 4.0 x4 lane. It is built for consumer desktops and laptops that need fast storage without a 2.5-inch bay. The NVMe 2.0 protocol keeps command overhead low.

Performance headroom

Sequential reads reach up to 6000 MBps and writes up to 5000 MBps, so large file transfers and game loads finish quickly. The drive has no DRAM cache and relies on Host Memory Buffer instead, which saves power but can limit sustained write bursts once the SLC buffer fills.

Build integration

The single-sided M.2 2280 form factor fits slim notebooks and compact motherboards. A graphene heatshield and an embedded thermal sensor manage heat between 0 and 70°C without a bulky metal sink. SmartECC technology protects data integrity during heavy workloads.

Highlights

  • Up to 6000 MB/s read speed loads games and apps fast
  • Up to 5000 MB/s write speed saves large files quickly
  • PCIe 4.0 x4 interface unlocks full NVMe 2.0 bandwidth
  • Graphene heatshield keeps temperatures low during heavy workloads
  • DRAM-less design with HMB support reduces cost without sacrificing responsiveness

Specifications

BrandPatriot
SeriesP400 V4
ModelP400VP1TBM28H
Part NumberP400VP1TBM28H
Used ForConsumer
Form FactorM.2 2280
Capacity1TB
InterfacePCI-Express 4.0 x4
ProtocolNVMe 2.0
CacheNo DRAM (HMB)
Max Sequential ReadUp to 6000 MBps
Max Sequential WriteUp to 5000 MBps
HeatSinkwithout HeatSink
FeaturesPATRIOT P400 V4 1TB M.2 PCIe Gen4 x4 SSD Elevate your system’s performance with Patriot's P400 V4 solid state drive for maximized reliability, ultra-thin profile, and easy-to-install PCIe. The improved graphene heatshield provides better temperature dissipation for greater performance and unhinged efficiency throughout immense application usage
• Built with the latest PCIe Gen4 x4 controller
• Compliant with NVMe 2.0
• Support Host Memory Buffer
• High efficiency slim Graphene heatshield
• Embedded thermal sensor for thermal throttling
• Operating Temperature: 0 ~ 70°C
• SmartECC tec
Shipping weight0.02 kg
Package size140 × 102 × 4 mm

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Questions about this item

Does this drive fit a standard M.2 2280 slot without a heatsink?

Yes, it uses the M.2 2280 form factor and ships without a heatsink, so it fits standard motherboard or laptop slots directly.

Will it run at full speed on a PCIe 3.0 motherboard?

It is a PCIe 4.0 x4 NVMe 2.0 drive; on a PCIe 3.0 slot it will operate at PCIe 3.0 speeds instead of the rated 6000 MBps read and 5000 MBps write.

Does the drive need DRAM cache for everyday workloads?

It has no DRAM but supports Host Memory Buffer, which uses a portion of system RAM to maintain responsive performance for typical consumer tasks.

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