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R. Belmont Cuckoo for IGAvania Reged: 09/21/03 Posts: 9716 Loc: ECV-197 The Orville Send PM Re: SFF-8643 to M.2 (PCIe x4) 2-in-1 Docking Board 02/15/17 06:51 PM Reply > As far as I know, a M.2 SSD and an SATA SSD use the same memory chips. > > Why would a M.2 SSD connected to a SFF-8643 port be faster than an SATA SSD connected > to a SFF-8643 port? Because SATA itself is increasingly the bottleneck for I/O as flash gets faster and things like command queueing come into play even on desktops. M.2 gives you 4 lanes of PCI Express, which is quite a bit more bandwidth. That said, connecting one to an SFF-8643 SAS port probably negates a lot of that advantage.

Entire thread Subject Posted by Posted on SFF-8643 to M.2 (PCIe x4) 2-in-1 Docking Board TrevEB 02/07/17 11:15 PM Re: SFF-8643 to M.2 (PCIe x4) 2-in-1 Docking Board krick  02/08/17 08:40 AM Re: SFF-8643 to M.2 (PCIe x4) 2-in-1 Docking Board R. Belmont  02/15/17 06:51 PM Re: SFF-8643 to M.2 (PCIe x4) 2-in-1 Docking Board TrevEB  02/08/17 08:06 PM

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