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Western Digital WD Red SN700
Western Digital

WD Red SN700 Spec and Price in the United Kingdom

NVME1TBM.2 22803400 MB/s read

Released September 28, 2021

WD's NAS-branded NVMe line runs 3,400/3,100 MB/s on Gen3 TLC NAND with a DRAM cache, per the documented listings — the reliability-focused M.2 option for NAS systems, spanning 1TB to 4TB.

Tied 68th of 106 models in the SSD catalog on Sequential read — 4 models share this figure. 61st of 106 models in the SSD catalog on Sequential write.

Current best price
From £265.99Price too old to confirm

Prices include VAT.

The last tracked price for the 1TB WD Red SN700 in the United Kingdom was £265.99 at Amazon.co.uk, captured 2026-10-12. Across one tracked merchant and 695 days of recorded prices, the 90-day median for the 1TB WD Red SN700 is £261.99 and the lowest recorded price is £61.99. This site began capturing prices on July 30, 2026; for Amazon listings, prices dated earlier come from Keepa's price history.

Captured periodically and may have changed.

Price history

30D90D180DAll
  • 1TB
  • 2TB
  • 4TB
May 5, 2026259 data pointstoday · £899.99

Each point is one day's recorded price, not a list price. Points dated before July 30, 2026, when this site began capturing prices, come from Keepa's Amazon price history. How we track prices

Specifications

Capacity
1TB
Interface
NVME
Sequential read
3400 MB/s
Sequential write
3100 MB/s
PCIe generation
3
Form factor
M.2 2280
NAND type
TLC
DRAM cache

Capacities

ConfigurationPart numberCurrent best pricePrice per TB
1TB—

£265.99

Price too old to confirm

—
2TB—

£369.99

Price too old to confirm

—
4TB—

£899.99

Price too old to confirm

—

What owners and reviewers say

Summarised from 1 source(s), reviewed September 13, 2026. A source is counted only where it names this model exactly. How we track prices

Commonly praised

  • Built to accelerate NAS responsiveness and throughput, finishing first in nearly every test against the drives it was compared with.

Commonly criticised

  • Lacks a next-generation interface, and it is tuned for NAS duty rather than high-end consumer workloads.

Sources behind this summary

Guides for this category

How to choose an SSDFour questions decide almost every SSD purchase — what fits, how big, how fast, and how much it should cost.NVMe or SATAWhich interface your machine takes, how to tell without opening it, and what the speed difference actually buys you.How much SSD capacity you actually needHow to size a drive from what you already use, why leaving headroom matters, and when one bigger drive beats two small ones.M.2 sizes and SSD form factorsWhat 2280, 2242, and 2.5-inch mean, which one your machine takes, and how to check the keying before you buy.What SSD speed numbers actually tell youSequential versus random performance, why the number on the box describes the rarer case, and how to read it without being misled.PCIe generations for SSDsWhat Gen 3, Gen 4, and Gen 5 change, why a newer drive always works in an older slot, and when the extra speed is worth paying for.TLC, QLC, and DRAM-less SSDsWhat the NAND type and the controller's cache change about how a drive behaves, and when either is worth caring about.SSD endurance and warrantiesWhat TBW and DWPD actually promise, how much a normal machine writes, and when endurance is worth paying extra for.How to install an SSDFitting an M.2 or 2.5-inch drive, choosing between cloning and a clean install, and what to check on the first boot.When an SSD price is actually goodWhy price per terabyte beats any discount percentage, and why a good price on one capacity says nothing about the others.

Sources

Every spec above was pulled from one of these — a field a source didn't state was left off rather than estimated.