Western DigitalReleased 2025
WD Black SN8100 2TB NVMe SSD
A entry-level ssd for PC builders, leading with 2000 GB.
54/100
2000 GB14900 MB/sNVMe 2.014000 MB/s2300000 IOPS1200 TBW
£340best price at Amazon
In stock at 1 retailer
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Why we rate it
- DRAM cache
- TRIM
- S.M.A.R.T.
- Above-average sequential read
- Below-average dram cache size
Score profile
Scored against the ssds classWhere the WD Black SN8100 2TB NVMe SSD wins and loses
Full specification
Grouped · supported features marked in blueSpecifications
Capacity and interface
Capacity2000 GB
Form factorM.2 2280
InterfaceNVMe 2.0
PCIe generationPCIe 5.0
PCIe lanes4
Sequential performance
Sequential read14900 MB/s
Sequential write14000 MB/s
Random performance
Random read (4K Q32)2300000
Random write (4K Q32)2400000
Controller and NAND
ControllerSanDisk proprietary
NAND typeBiCS8 (218-layer) 3-bit TLC
DRAM cacheYes
DRAM cache size2048 MB
Host memory bufferNo
Endurance and reliability
Endurance1200 TBW
MTBF2000000 hours
Warranty5 years
Features
Hardware encryptionAES 256-bit, TCG/Opal 2.0
TRIMYes
S.M.A.R.T.Yes
Heatsink includedNo
PS5 compatibleYes
Watch it in action
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Head to head
Highlighted cell = better in that rowWD Black SN8100 2TB NVMe SSD vs Samsung Samsung 9100 Pro 2TB NVMe SSD
WD Black SN8100 2TB NVMe SSDSamsung 9100 Pro 2TB NVMe SSD
| Western DigitalWD Black SN8100 2TB NVMe SSDThis page | SamsungSamsung 9100 Pro 2TB NVMe SSD | |
|---|---|---|
| Overall score | 54 /100Better | 53 /100 |
| Capacity | 2000 GB | 2000 GB |
| Seq read | 14900 MB/sBetter | 14700 MB/s |
| Seq write | 14000 MB/sBetter | 13400 MB/s |
| Interface | NVMe 2.0 | NVMe 2.0 |
| Form factor | M.2 2280 | M.2 2280 |
| TBW | 1200 TBW | 1200 TBW |
Who it's for
Is the WD Black SN8100 2TB NVMe 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 WD Black SN8100 2TB NVMe SSD worth it?
It depends on what you need. It scores 54/100 against other ssds, a entry-level result where the class average is around 40.
What stands out on the WD Black SN8100 2TB NVMe SSD?
Its dram cache stands out, a genuinely useful feature if your setup calls for it.
How does it compare to the WD Blue SN5100 2TB?
The WD Blue SN5100 2TB scores 55/100 versus this one at 54/100, so it is the step up on the spec sheet.
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Alternatives & similar ssds
If you want to spend less
SABRENT Rocket Enterprise PCIe 4.0 U.2 15.36TB NVMe SSD
The SABRENT Rocket Enterprise PCIe 4.0 U.2 15.36TB NVMe SSD covers the basics for less outlay.
See review →If you want the best
Western Digital WD Blue SN5100 2TB
The WD Blue SN5100 2TB scores higher and adds headroom for demanding setups.
See review →
