Western Digital WD Red SN700 · WDS400T1R0C · 4000 GB

Model code

WDS400T1R0C

Manufacturer designation

WD Red SN700

Capacity

4 TB (decimal)

Storage protocol

NVMe

Write endurance

5100 TBW

Manufacturer limited-warranty conditions

5 years or TBW limit, whichever occurs first; regional terms apply

Interface

PCIe Gen3, 8 Gb/s, up to 4 lanes

Form factor

M.2 2280-D5-M

Application segment

NAS

Selection limits

NAS SSD: confirm NAS vendor compatibility, cache/storage role and endurance requirements.

Identifier scope

Documented model code. Regional ordering suffix and bundle are not invented and are confirmed separately.

Specification source: Western Digital ↗
Checked against documentation: 16.10.2026

“Up to” figures follow manufacturer test conditions; real throughput depends on workload and host system.