Crucial P510 1TB PCIe Gen5 NVMe M.2 SSD vs Lexar NM790 M.2 2280 PCIe Gen 4x4 NVMe SSD

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

all judged against NVMe SSDs at a similar price

The Lexar NM790 M.2 2280 PCIe Gen 4x4 NVMe SSD scores 7.9/10 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 software.

The Lexar NM790 M.2 2280 PCIe Gen 4x4 NVMe SSD leads on endurance, warranty and efficiency and thermals.

They score the same on performance.

The biggest difference is endurance, where the Lexar NM790 M.2 2280 PCIe Gen 4x4 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: good, not the best

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

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Lexar NM790 M.2 2280 PCIe Gen 4x4 NVMe SSD

7.9/10verdict: buy

The Lexar NM790 suits people who want a fast PCIe Gen 4 2TB drive for a desktop, laptop or small homelab machine. It is aimed at buyers who value long rated endurance, a five-year warranty and low power draw. It is less well matched to anyone who regularly moves very large files and wants perfectly even speeds.

Typically about £129.99 in the UK when we researched itCheck price at Amazon UK

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

Criterion	Weight	Crucial P510 1TB PCIe Gen5 NVMe M.2 SSD	Lexar NM790 M.2 2280 PCIe Gen 4x4 NVMe SSD
Performance	35%	8/10	8/10
Endurance	20%	6/10	9/10
Warranty	15%	6/10	9/10
Efficiency and thermals	15%	7/10	8/10
Software	15%	6/10	5/10
Overall		6.9/10	7.9/10

Specifications

Spec	Crucial P510 1TB PCIe Gen5 NVMe M.2 SSD	Lexar NM790 M.2 2280 PCIe Gen 4x4 NVMe SSD
Interface	PCIe 5.0 x4, M.2 NVMe	PCIe Gen4 x4, NVMe
Sequential read	up to 11,000 MB/s	up to 7400 MB/s
Sequential write	up to 9,500 MB/s	up to 6500 MB/s
Endurance (2TB)	600 TBW (1TB)	1500 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	five-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 ›

Lexar NM790 M.2 2280 PCIe Gen 4x4 NVMe SSD

+ 1500 TBW rating at 2TB
+ Five-year limited warranty
+ Owners report low power draw and cool running
− HMB gives uneven large-file copy speeds, owners say
− Some owners report stutter in games

Skip it if:

Buyers who regularly copy very large files and need perfectly even speeds
Gamers sensitive to the stutter some owners report
Anyone who needs a published power draw figure in watts

Read the full Lexar NM790 M.2 2280 PCIe Gen 4x4 NVMe SSD review ›

More comparisons

Compare all NVMe SSDs · Best NVMe SSDs