r640 memory slots
Mainboard Gigabyte B450M DS3H V2 (rev. 1.x)
Hỗ trợ RAM, 4 x DDR4 memory slots. Support for DDR4 3200(O.C.)/2933/2667/2400/2133 MHz memory modules. Max 64Gb ; Cạc đồ họa, VGA onboard ; Âm thanh, Realtek® ...
ASRock > B560M-HDV/M.2
2x DDR4 memory slots, support up to 64GB Intel i7/i9/i5 Gen 11 hỗ trợ DDR4 3200/3000/2933/2666/2400/2133 MHz memory modules.
Dell EMC PowerEdge R640 Review A Study in 1U Design Excellence
Máy chủ Dell PowerEdge R640 S-4210 server (600GB) chính hãng Intel Xeon Silver 4210/ 16GB RDIMM/ 600GB/ 750W/ PERC H730/ 3Y, giá tốt tại đây.