Crucial P510 1TB PCIe Gen5 NVMe M.2 SSD vs WD_BLACK SN7100 2TB NVMe SSD

Researched, not hands-on tested.How we review ›

all judged against NVMe SSDs at a similar price

The WD_BLACK SN7100 2TB NVMe SSD scores 7.0/10 overall, ahead of the Crucial P510 1TB PCIe Gen5 NVMe M.2 SSD at 6.9/10.

The Crucial P510 1TB PCIe Gen5 NVMe M.2 SSD leads on performance and software.

The WD_BLACK SN7100 2TB NVMe SSD leads on endurance and warranty.

They score the same on efficiency and thermals.

The biggest difference is warranty, where the WD_BLACK SN7100 2TB NVMe SSD scores 9/10 to the Crucial P510 1TB PCIe Gen5 NVMe M.2 SSD's 6/10.

Crucial P510 1TB PCIe Gen5 NVMe M.2 SSD

6.9/10verdict: buy

The Crucial P510 1TB suits buyers who want a PCIe 5.0 x4 M.2 drive with high rated sequential speeds and low reported heat. It fits workstations and homelab hosts that mostly do bursty reads and moderate writes. Buyers who write large volumes continuously, or who want a bargain price, should check the cache and value notes first.

Typically about £88.99 in the UK when we researched itCheck price at Amazon UK

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WD_BLACK SN7100 2TB NVMe SSD

7.0/10verdict: buy

The WD_BLACK SN7100 2TB is for buyers who want a PCIe Gen 4x4 M.2 2280 drive with low power draw. It suits desktops and Windows machines where the Dashboard software is usable. Linux and macOS users, and anyone who needs a heatsink variant, should read the limitations first.

Typically about £270 in the UK when we researched itCheck price at Amazon UK

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Scores, criterion by criterion

Criterion	Weight	Crucial P510 1TB PCIe Gen5 NVMe M.2 SSD	WD_BLACK SN7100 2TB NVMe SSD
Performance	35%	8/10	7/10
Endurance	20%	6/10	8/10
Warranty	15%	6/10	9/10
Efficiency and thermals	15%	7/10	7/10
Software	15%	6/10	4/10
Overall		6.9/10	7.0/10

Specifications

Spec	Crucial P510 1TB PCIe Gen5 NVMe M.2 SSD	WD_BLACK SN7100 2TB NVMe SSD
Interface	PCIe 5.0 x4, M.2 NVMe	PCIe Gen 4x4 NVMe
Sequential read	up to 11,000 MB/s	7,250 MB/s (up to)
Sequential write	up to 9,500 MB/s	6,900 MB/s (up to)
Endurance (2TB)	600 TBW (1TB)	1,200 TBW (2TB)
Form factor	M.2 2280 (22 × 80 mm)	M.2 2280
Warranty	Three or five years, whichever comes first, with a TBW limit	5-year limited (or Max Endurance TBW limit, whichever occurs first)

Strengths and weaknesses

Crucial P510 1TB PCIe Gen5 NVMe M.2 SSD

+ Rated up to 11,000 MB/s read and 9,500 MB/s write
+ 1.5M random IOPS at QD32 for both read and write
+ Owners report it runs cool with little need for cooling
− No DRAM cache; owners report fluctuating write speeds
− Limited fast cache, estimated at about 67GB on the 2TB model
− Owners say it costs more than rivals once sales are counted

Skip it if:

Buyers who write large volumes continuously and need steady write speeds
Buyers who want the lowest price and will rely on regular sales
Anyone who wants a clear five-year warranty without a TBW cap

Read the full Crucial P510 1TB PCIe Gen5 NVMe M.2 SSD review ›

WD_BLACK SN7100 2TB NVMe SSD

+ Rated 7,250 MB/s read and 6,900 MB/s write
+ 1,200 TBW and a five-year warranty
+ Low measured power draw during transfers
− Dashboard software is Windows-only
− No heatsink variant listed
− Owner complaints about laptop idle power and ASPM

Skip it if:

Linux or macOS users who want manufacturer health-monitoring software
Buyers who want a drive with a factory-fitted heatsink
Laptop owners who prioritise the lowest possible idle power

Read the full WD_BLACK SN7100 2TB NVMe SSD review ›

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