Samsung

Samsung 990 PRO NVMe M.2 SSD

A entry-level ssd for PC builders, leading with 4000 GB.

48/100
Mixed bag
Overall score · how we rate
4000 GB7450 MB/sNVMe6900 MB/s2400 TBWM.2
£549best price at Amazon
In stock at 1 retailer

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Price checked across retailers daily

Why we rate it

  • DRAM cache
  • TRIM
  • S.M.A.R.T.
  • Above-average capacity
  • Spec-sheet rated, not bench-tested
Score profile

Where the Samsung 990 PRO NVMe M.2 SSD wins and loses

Scored against the ssds class
CapacitySequentialControllerEnduranceFeatures4534796179
Capacity and interface
45
Sequential performance
34
Controller and NAND
79
Endurance and reliability
61
Features
79
Full specification

Specifications

Grouped · supported features marked in blue

Capacity and interface

Capacity4000 GB
Form factorM.2
InterfaceNVMe
PCIe generationPCIe 4.0
PCIe lanes4

Sequential performance

Sequential read7450 MB/s
Sequential write6900 MB/s

Controller and NAND

NAND typeTLC
DRAM cacheYes

Endurance and reliability

Endurance2400 TBW
Warranty5 years

Features

TRIMYes
S.M.A.R.T.Yes
Heatsink includedYes
PS5 compatibleYes

More specs

Interface PCIEPCIe 4.0 x4

Watch it in action

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Head to head

Samsung 990 PRO NVMe M.2 SSD vs Sabrent Rocket 4 Plus G 4TB

Highlighted cell = better in that row
CapacitySequentialControllerEnduranceFeatures
Samsung 990 PRO NVMe M.2 SSDRocket 4 Plus G 4TB
 SamsungSamsung 990 PRO NVMe M.2 SSDThis pageSabrentRocket 4 Plus G 4TB
Overall score48 /10049 /100Better
Capacity4000 GB4000 GB
Seq read7450 MB/sBetter7300 MB/s
Seq write6900 MB/sBetter6800 MB/s
InterfaceNVMeNVMe
Form factorM.2M.2
TBW2400 TBW2800 TBWBetter
Who it's for

Is the Samsung 990 PRO NVMe M.2 SSD 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.
okay
Common questions

Before you buy

Is the Samsung 990 PRO NVMe M.2 SSD worth it?

It depends on what you need. It scores 48/100 against other ssds, a entry-level result where the class average is around 40.

What stands out on the Samsung 990 PRO NVMe M.2 SSD?

Its dram cache stands out, a genuinely useful feature if your setup calls for it.

How does it compare to the Rocket 4 Plus G 4TB?

The Rocket 4 Plus G 4TB scores 49/100 versus this one at 48/100, so it is the step up on the spec sheet.