Crucial P510 1TB PCIe Gen5 NVMe M.2 SSD vs WD_BLACK SN850X NVMe SSD 1TB

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

all judged against NVMe SSDs at a similar price

The WD_BLACK SN850X NVMe SSD 1TB scores 7.1/10 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 efficiency and thermals and software.

The WD_BLACK SN850X NVMe SSD 1TB leads on endurance and warranty.

They score the same on performance.

The biggest difference is warranty, where the WD_BLACK SN850X NVMe SSD 1TB 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 SN850X NVMe SSD 1TB

7.1/10verdict: buy

The SN850X 1TB without a heatsink is for buyers who want a fast PCIe 4.0 M.2 2280 drive for a desktop or a PS5. It suits people who already have a motherboard heatsink or good case airflow. It is less suited to anyone who needs Linux or macOS drive tooling or has no cooling for the drive.

Typically about £178.99 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 SN850X NVMe SSD 1TB
Performance	35%	8/10	8/10
Endurance	20%	6/10	7/10
Warranty	15%	6/10	9/10
Efficiency and thermals	15%	7/10	5/10
Software	15%	6/10	5/10
Overall		6.9/10	7.1/10

Specifications

Spec	Crucial P510 1TB PCIe Gen5 NVMe M.2 SSD	WD_BLACK SN850X NVMe SSD 1TB
Interface	PCIe 5.0 x4, M.2 NVMe	PCIe 4.0 x4
Sequential read	up to 11,000 MB/s	7,300 MB/s
Sequential write	up to 9,500 MB/s	6,300 MB/s
Endurance (2TB)	600 TBW (1TB)	600 TBW
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 Warranty

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 SN850X NVMe SSD 1TB

+ Rated 7,300 MB/s read and 6,300 MB/s write
+ 5-year limited warranty
+ Owners report easy installation and PS5 compatibility
− Owners report it runs hot without a heatsink
− WD_BLACK Dashboard is Windows only
− Owners note a price premium over cheaper drives

Skip it if:

Buyers with no heatsink or airflow for the M.2 slot, who may prefer the heatsink version
Linux or macOS users who want vendor firmware tooling
Budget buyers who would rather pay less for a cheaper drive

Read the full WD_BLACK SN850X NVMe SSD 1TB review ›

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