Storage Devices

Lexar Professional NM700 M.2 2280 NVMe SSD 1TB Review

« Closer Look at Lexar NM700 M.2 2280 NVMe SSD 1 TB | Final Thoughts »


System Configuration
Component Product Name Provided By
Case Open Test Bench
CPU Intel Core i7 9700K
CPU Cooler Celsius+ S36 Prisma Fractal Design
Motherboard EVGA Z390 FTW EVGA
Ram (2) 8GB Corsair DDR4-3200 CMW16GX4M2C3200C16 Corsair
Monitor BenQ EL2870U 28 inch 4K HDR Gaming Monitor 3840×2160 @ 60 Hz
Hard Drives Adata XPG SX8200 PRO (512GB) Adata
Power Supply Thermal Take Tough Power RGB 80 Plus Gold 750W

Crystal Disk Mark benchmark at 1GB test size:

Unlike CrystalDiskMark, the ATTO disk benchmark is a 32-bit compressible data benchmark that measures read and write speeds across various file transfer sizes from 512B to 64MB to show SSD behavior.

Sequential tests with Crystal Disk Mark with both empty drive and 75% loaded drive were rather impressive. On the bare drive, I saw read speeds up to 3502 MB/s and write speeds up to 1905 MB/s which is pretty close to the advertised speeds. When the drive was loaded up to 75% the sequential speeds dropped but not by much. Sequential read speeds were observed up to 3330 MB/s and write speeds staid pretty much the same at 1913 MB/s.

Looking at the benchmark data from ATTO Disk Benchmark I saw good performance data from both bare drive tests and loaded drive tests. In both cases, you can see cache dips on when the cache was filled up and emptied. This is a normal function of the cache. Under the 75% load, I do see a dip in the write performance with ATTO at around 4MB. I think the data overall looks pretty good for TLC NAND.


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