August 17, 20178 yr Hi, still researching on the right mobo to get for my build and have a question re. the PCIE lanes. A motherboard I am looking at has 1 x PCIE2.0 x 4 lanes and 2 x PCIE2.0 x 1 lanes. I wanted to put in a Sata 8 port into the PCIE 2.0 x 4 lanes slot and an intel nic into the PCIE 2.0x1 slot. Will this saturate the PCIE lanes and cause a bottleneck to the system? Thanks
August 17, 20178 yr Author 1 hour ago, johnnie.black said: No unless the PCIe x4 slot is using a DMI slot. Thank Johnnie. I think the PCIE x4 slot is not a DMI slot. If that is indeed true, could I therefore conclude that this motherboard support a total of 6 lanes, being PCIE x 4 + 2 x PCIE x 1.
August 17, 20178 yr Author 1 minute ago, johnnie.black said: What's the board model? This is the link https://www.newegg.com/Product/Product.aspx?Item=N82E16813157616 It is an Asrock QC5000M AMD FT3 Kabini A4-5000
August 17, 20178 yr Not much info on that architecture, but I would expect it to use UMI (AMD DMI equivalent), that would be shared by both SATA ports plus the 6 PCIe lanes, so around 1600MB/s usable for all.
August 17, 20178 yr Author Just now, johnnie.black said: Not much info on that architecture, but I would expect it to use UMI (AMD DMI equivalent), that would be shared by both SATA ports plus the 6 PCIe lanes, so around 1600MB/s usable for all. Thanks mate. So if I stick a 8 port Sata with the intention of running 10 x Sata devices (8 via sata card + 2 on board) + 1 x Intel Nic, will this 1600MB/s bandwidth be sufficient?
August 17, 20178 yr I think so, if all are in use it can limit a little but nothing major and it should still provide decent performance.
August 17, 20178 yr Author 1 minute ago, johnnie.black said: I think so, if all are in use it can limit a little but nothing major and it should still provide decent performance. Cheers for that. Looks like it is a go for me :-) Just a last question if u don't mind, the mobo has an realtek 8111GR nic, and some other mobo that i quite like has the 8111H. I know that unraid is better with intel nic but will those 2 realtek chipsets work with unraid?
August 17, 20178 yr Both should work, and most users have no issues with Realtek NIC, though Intel is always better.
August 17, 20178 yr Author 2 minutes ago, johnnie.black said: Both should work, and most users have no issues with Realtek NIC, though Intel is always better. Cheers Johnnie. U have been a big help!
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