Christian Gollwitzer <auriocus@gmx.de>: Jan 22 07:02PM +0100 Am 22.01.19 um 12:00 schrieb fir: > ok indeed i found some > https://www.techradar.com/reviews/wd-black-sn750-nvme-ssd > interesting also is how much speed drop down on non-sequential highly random read (0.5MB its disaster) 1) NVMe is a new bus/protocol for fast SSDs that are attached directly to the PCIe bus. 500 MB/s are the limit of the SATA bus, not the drive. 2) 0.5MB/s is pretty bad, but WD is not the best brand. The really fast SSDs are from Samsung (Evo Pro) and Intel (Optane). https://www.samsung.com/semiconductor/minisite/ssd/product/consumer/ssd960/ EVO Pro Sequential read: 3.5 GB/s Random 4k blocks : 440,000 /s ~ 1.6 GB/s Christian |
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