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M.2 2280 NVMe SSD with black PCB and gold contacts

Buffalo Technology

Buffalo OP-NVSSD-2.0T 2 TB NVMe internal SSD

SKU CH-E4DW-DDSNX

2 TB NVMe internal SSD using PCIe 4.0 x4 for fast storage in M.2 systems

  • Device TypeInternal Solid State Drive (SSD)
  • 2 TB capacity stores large game libraries and media projects
  • PCIe 4.0 x4 interface enables fast sequential read and write speeds
  • NVMe protocol reduces latency for responsive application loading
  • M.2 form factor fits modern laptop and desktop motherboards
  • First listed by the manufacturer in January 2026

2 TB NVMe drive for M.2 slots

This Buffalo internal SSD provides 2 TB of NVMe storage in an M.2 form factor. It connects over a PCIe 4.0 x4 interface for high-speed data transfer. The drive suits desktops and laptops with a compatible M.2 slot.

PCIe 4.0 x4 interface requirement

The single specification that decides compatibility is the PCIe 4.0 x4 interface. Your motherboard or laptop must expose an M.2 key-M slot wired for PCIe 4.0 x4 to run this drive at its intended speed. Older slots limited to PCIe 3.0 will work but restrict throughput.

2 TB capacity for large workloads

Two terabytes comfortably holds an operating system, applications, and a sizable media or project library. Creative professionals editing 4K video or developers compiling large codebases will appreciate the headroom. Users planning extensive raw footage archives or multiple virtual machines may eventually need additional drives.

Highlights

  • 2 TB capacity stores large game libraries and media projects
  • PCIe 4.0 x4 interface enables fast sequential read and write speeds
  • NVMe protocol reduces latency for responsive application loading
  • M.2 form factor fits modern laptop and desktop motherboards
  • First listed by the manufacturer in January 2026

Specifications

BrandBuffalo
Device TypeInternal Solid State Drive (SSD)

Questions about this item

What does the 2.0 TB capacity mean for everyday storage?

The 2.0 TB drive holds roughly 2 TB of files, applications and games once formatted, giving ample space for large media libraries and multiple operating systems.

How does the PCI Express NVMe 4.0 x4 interface affect real-world speed?

The PCIe 4.0 x4 link provides up to 8 GT/s per lane, so the drive can reach its rated NVMe throughput when installed in a compatible 4.0 slot.

What physical slot and key does the M.2 module require?

The stick uses the standard M.2 M-key form factor and must be mounted in an M.2 slot wired for PCIe NVMe.

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