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Green circuit board M.2 2280 SSD, no heatsink, 4TB capacity

Patriot Memory

Patriot Memory P400LP4KGM28H 4TB M.2 2280 internal SSD

SKU CH-K06D-WWJVP MPN P400LP4KGM28H

A 4 TB M.2 2280 NVMe SSD with a PCIe 4.0 x4 interface delivering up to 3500 MB/s read and 2700 MB/s write speeds

  • Total capacity4 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 4TB 3,500MB/s

  • 4TB capacity stores large game libraries and media projects
  • PCIe 4.0 x4 interface delivers up to 3500 MBps sequential read speed
  • NVMe 2.0 protocol enables up to 2700 MBps sequential write throughput
  • Host Memory Buffer support boosts performance without onboard DRAM cache
  • 4000 TBW endurance rating sustains heavy workloads over the drive lifespan

Viper P400 Lite 4TB NVMe drive

The Patriot Viper P400 Lite is a 4TB M.2 2280 internal SSD built for consumer workloads. It connects through a PCIe 4.0 x4 interface and follows the NVMe 2.0 protocol. The drive uses a DRAM-less design with Host Memory Buffer support for everyday responsiveness.

Sustained performance without a heatsink

Sequential speeds reach up to 3500 MBps read and 2700 MBps write under typical burst conditions. The controller operates within a 0 °C to 70 °C range and relies on a graphene heatshield rather than a metal heatsink to manage thermals. A 4000 TBW endurance rating backs long-term write durability for video editing and heavy multitasking.

Compatibility checks before ordering

Verify that your motherboard or laptop provides an M.2 2280 slot wired for PCIe 4.0 x4 and NVMe signalling. The single-sided 2280 form factor fits most modern boards, but some compact systems only accept shorter modules. Confirm the platform can supply sufficient airflow for the heatshield to stay within the rated temperature window.

How it compares

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

Price $399.99
Pricier than about 75% of the 1,994 comparable items (median $180.49).
Total capacity 4 TB
Higher than about 90% of the 1,368 comparable items (median 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 $100.00 per TB
Cheaper than about 85% of the 1,362 comparable items (median $165.50 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand namePatriot
Product lineViper P400 Lite
Model nameP400LP4KGM28H
Part numberP400LP4KGM28H
Total capacity4 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)
Write endurance4000 TB
Connectivity
Connection protocolNVMe 2.0
Ports & slots
Interface typePCI-Express 4.0 x4
Size & build
Form factorM.2 2280
Heat sinkWithout HeatSink
Shipping weight0.05 kg
Package size133 × 102 × 6 mm
Environment & compliance
Operating temperature range0 °C to 70 °C

Other versions of this model

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Questions about this item

Will this 4 TB M.2 2280 drive fit inside a PlayStation 5 console?

Yes, the drive is listed as compatible with PS5 and uses the M.2 2280 form factor with a PCIe 4.0 x4 interface that meets Sony's requirements.

My motherboard only has a PCIe 3.0 M.2 slot — will the drive still work?

The drive will operate in a PCIe 3.0 slot, but sequential read and write speeds will be limited to the 3.0 bandwidth ceiling rather than the rated 3500 MBps read and 2700 MBps write.

Does the drive include a heatsink, or do I need to add one for sustained workloads?

The drive ships without a heatsink; the graphene heatshield is integrated, but a motherboard M.2 heatsink or third-party cooler is recommended for heavy sustained writes.

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