WD Red SA500 M.2 1TB NAS SSD review

Memory (DDR4/DDR5) and Storage (SSD/NVMe) 367 Page 5 of 13 Published by

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SSD Performance Atto Disk Benchmark

Atto Disk Benchmark

One of the finest tools available to measure storage performance is ATTO. I love it to death as it is so reliable and produces such accurate results. The great thing about ATTO is that we can test with predefined block sizes. So we can test with a 32 MB sequence of 4 KB files, yet also 32 MB in 1 MB files. This gives us an excellent scope of overall performance with small and large files.


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Yeah, coming from the latest NVMe SSDs going back to SATA3 performance is a bit of a buzzkill. But remember, NAS ... most of them are 1 Gbit/s based ergo sit just above 120 MB/sec throughput over your Ethernet. That's quite different for 5 and 10 Gbit/s ready NAS servers of course.

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