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Green rectangular M.2 2280 circuit board with black chips and gold edge connector

Crucial

Crucial P310 4TB M.2 2280 PCIe 4.0 NVMe CT4000P310SSD8

SKU CH-EFFZ-TQW2S MPN CT4000P310SSD8

A 4 TB M.2 2280 NVMe SSD with PCIe 4.0 x4 interface delivering up to 7100 MB/s reads and 6000 MB/s writes using 3D NAND and HMB

  • Total capacity4 TB
  • Sequential read speedUp to 7,100 MB/s
  • Sequential write speedUp to 6,000 MB/s
  • Interface typePCI-Express 4.0 x4 NVMe
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)

Capacity 4TB w/o Heatsink

  • Sequential reads reach 7100 MB/s for fast game loading
  • Sequential writes hit 6000 MB/s to move large files quickly
  • 4TB capacity stores extensive libraries without compromise
  • PCIe 4.0 x4 NVMe 2.0 interface unlocks full Gen4 bandwidth
  • DRAM-less design with HMB keeps power draw low for laptops

Crucial P310 4TB NVMe SSD

The Crucial P310 is a 4TB internal solid-state drive built for consumer PCs that need fast, high-capacity storage. It uses the M.2 2280 form factor and connects through a PCIe 4.0 x4 interface with NVMe 2.0 protocol. The drive employs Micron 3D NAND technology and operates without a DRAM cache, relying on Host Memory Buffer instead. It fits standard M.2 slots in modern desktops and laptops.

4TB capacity with Gen4 speeds

Sequential reads reach up to 7100 MBps and writes up to 6000 MBps, providing ample throughput for large game libraries, media projects and heavy multitasking. The 4TB capacity offers generous headroom for operating systems, applications and bulky files without constant space management. Performance scales with PCIe 4.0 platforms; on older PCIe 3.0 systems the drive will run at lower speeds limited by the bus. Sustained write workloads may see reduced speeds once the SLC cache fills.

DRAMless design with HMB

This SSD has no dedicated DRAM cache and uses Host Memory Buffer to manage mapping tables. That design keeps costs down while still delivering strong Gen4 performance for most consumer workloads. Systems must support HMB for the feature to function; otherwise the controller relies solely on internal resources. Buyers building a DRAM-sensitive workstation or enterprise array should verify this constraint before choosing the P310.

How it compares

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

Price $426.99
Pricier than about 77% 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 7,100 MB/s
Higher than about 80% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $106.75 per TB
Cheaper than about 81% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameCrucial
Product lineP310
Model nameCT4000P310SSD8
Part numberCT4000P310SSD8
Total capacity4 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 7,100 MB/s
Sequential write speedUp to 6,000 MB/s
Storage
NAND flash type3D NAND
Cache memoryNo DRAM (HMB)
Connectivity
Connection protocolNVMe 2.0
Ports & slots
Interface typePCI-Express 4.0 x4 NVMe
Size & build
Form factorM.2 2280
Heat sinkWithout HeatSink
Shipping weight0.02 kg
Package size137 × 97 × 15 mm

Other versions of this model

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Questions about this item

Will this 4 TB M.2 2280 drive fit my laptop or desktop slot?

The drive uses the standard M.2 2280 form factor, so it fits any M.2 slot that accepts 80 mm length modules. Check your device manual to confirm the slot supports PCIe 4.0 x4 NVMe and has physical clearance for a single-sided board.

Does the lack of a DRAM cache and heatsink affect sustained write performance?

The drive uses Host Memory Buffer instead of onboard DRAM and has no heatsink. Sequential write reaches 6000 MB/s, but prolonged heavy writes may throttle sooner in a poorly ventilated slot. Adding a motherboard heatsink helps maintain peak speeds.

What PCIe generation do I need to reach the advertised 7100 MB/s read speed?

A PCIe 4.0 x4 NVMe 2.0 connection is required for the full 7100 MB/s read and 6000 MB/s write. The drive works in PCIe 3.0 slots but will run at the lower generation's speed limits.

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