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Green rectangular M.2 2280 SSD with black label and gold edge connector

KingSpec

KingSpec X400-1TB-2280 internal SSD

SKU CH-AQ0K-CYGDK MPN X400-1TB-2280

M.2 2280 1 TB drive with PCIe 4.0 NVMe interface, 7400 MB/s read, 6600 MB/s write and 600 TBW endurance

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form FactorM.2 2280
  • Capacity1TB
  • Memory Components3D NAND TLC
  • InterfacePCI-Express 4.0

Generation Gen 4

  • Sequential reads reach 7400 MB/s for rapid boot and load times
  • Sequential writes hit 6600 MB/s to accelerate large file transfers
  • 1TB capacity stores games and projects without constant space management
  • PCIe 4.0 x4 interface doubles bandwidth over PCIe 3.0 for higher throughput
  • 600 TBW endurance rating supports heavy daily workloads for years

Capacity and interface

The KingSpec ONEBOOM X400 is a 1TB M.2 2280 internal SSD using a PCIe 4.0 x4 interface with NVMe 1.4 protocol. It targets gamers, content creators and workstation users who need fast sequential throughput for large project files and modern game libraries.

Speed headroom and endurance

Sequential reads reach up to 7400 MBps and writes up to 6600 MBps, with 650K read IOPS and 670K write IOPS. A 1GB DRAM cache and 3D NAND TLC flash sustain heavy workloads, while the 600TB TBW rating and 1,000,000-hour MTBF provide long-term write endurance for daily gaming and editing.

Upgrade path from PCIe 3.0

The drive doubles the interface bandwidth compared with PCIe 3.0 x4 SSDs, cutting load times and reducing stutter in open-world titles. The jump is worthwhile when your platform supports PCIe 4.0 and you regularly move multi-gigabyte assets or run a PS5 that requires speeds at this level.

Highlights

  • Sequential reads reach 7400 MB/s for rapid boot and load times
  • Sequential writes hit 6600 MB/s to accelerate large file transfers
  • 1TB capacity stores games and projects without constant space management
  • PCIe 4.0 x4 interface doubles bandwidth over PCIe 3.0 for higher throughput
  • 600 TBW endurance rating supports heavy daily workloads for years

Specifications

BrandKingSpec
SeriesONEBOOM
ModelX400-1TB-2280
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form FactorM.2 2280
Capacity1TB
Memory Components3D NAND TLC
InterfacePCI-Express 4.0
ProtocolNVMe 1.4
Cache1GB DRAM
Max Sequential ReadUp to 7400 MBps
Max Sequential WriteUp to 6600 MBps
Terabytes Written (TBW)600TB
MTBF1,000,000 hours
Operating Temperature0°C~+70°C
Storage Temperature-20°C~+75°C
Height2mm
Width22mm
Depth80mm
Weight5g
Shipping weight0.05 kg
Package size130 × 89 × 15 mm

Other versions of this model

1 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the 22mm wide M.2 2280 form factor fit my older laptop slot?

The drive measures 22mm wide by 80mm long and 2mm high, so it fits any standard M.2 2280 slot regardless of the host generation.

How can I verify the 7400 MBps sequential read speed after installation?

Run a PCIe 4.0 compatible benchmark such as CrystalDiskMark on an NVMe 1.4 enabled platform and confirm results approach 7400 MBps read and 6600 MBps write.

Does the box include a heatsink or do I need to buy one for my PS5?

The supplier description notes a graphene heatsink is integrated, so no separate cooler is required for PS5 or PC installation.

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