WD

WD_BLACK SN770M 2TB

A entry-level pick in the ssds line-up, with 2000 GB up front.

43/100
Mixed bag
Overall score · how we rate
2000 GB5150 MB/sNVMe4850 MB/s4800 TBWM.2 2230
£274best price at Amazon
In stock at 1 retailer

We may earn a commission on purchases via this link. It never affects our scores or rankings.

Independent score · no sponsored placement
Price checked across retailers daily

Why we rate it

  • Above-average endurance
  • Above-average warranty
  • Below-average sequential read
Score profile

Where the WD_BLACK SN770M 2TB wins and loses

Scored against the ssds class
CapacitySequentialEndurance372877
Capacity and interface
37
Sequential performance
28
Endurance and reliability
77
Full specification

Specifications

Grouped · supported features marked in blue

Capacity and interface

Capacity2000 GB
Form factorM.2 2230
InterfaceNVMe
PCIe generationPCIe 4.0
PCIe lanes4

Sequential performance

Sequential read5150 MB/s
Sequential write4850 MB/s

Controller and NAND

NAND typeTLC

Endurance and reliability

Endurance4800 TBW
Warranty5 years

More specs

Interface PCIEPCIe 4.0 x4
Head to head

WD_BLACK SN770M 2TB vs Lexar Lexar EQ790 2TB

Highlighted cell = better in that row
CapacitySequentialEndurance
WD_BLACK SN770M 2TBLexar EQ790 2TB
 WDWD_BLACK SN770M 2TBThis pageLexarLexar EQ790 2TB
Overall score43 /10043 /100
Capacity2000 GB2000 GB
Seq read5150 MB/s7000 MB/sBetter
Seq write4850 MB/s6500 MB/sBetter
InterfaceNVMeNVMe 1.4
Form factorM.2 2230M.2 2280
TBW4800 TBW
Who it's for

Is the WD_BLACK SN770M 2TB right for you?

Buy it if
Buyers on a budget

Anyone who needs a dependable ssd for the essentials without overspending.

Skip it if
Skip it if

You need flagship-tier performance, in which case a higher-tier ssd is the better call.

Performance builder
Chasing frames and headroom in a high-end rig.
okay
Mainstream builder
Wants strong value in a balanced build.
good
Budget builder
Stretching every pound in an entry rig.
good
Common questions

Before you buy

Is the WD_BLACK SN770M 2TB worth it?

It depends on what you need. It scores 43/100 against other ssds, a entry-level result where the class average is around 40.

What stands out on the WD_BLACK SN770M 2TB?

Its endurance stands out, and more is better here, so a higher figure is the stronger pick.

How does it compare to the SanDisk Portable SSD 2TB?

The SanDisk Portable SSD 2TB scores 44/100 versus this one at 43/100, so it is the step up on the spec sheet.