newbie's first attempt at ram speed optimization (default is 2133 CL15-15-15 -36 @ 1.2V). since this is an H270i i'm limited to 2400mhz and I was able to get it to CL12-14-14-28 @
Corsair DDR4 4GB Value Select Desktop PC/Computer RAM/Memory LN62777 - CMV4GX4M1A2133C15 | SCAN UK
DDR4 2133MHZ 8GB 1X260 SODIMM 1.20V UNBUFFERED 15-15-15-36 su Bruneau.it