Am 03.06.2014 um 22:39 schrieb m.roth at 5-cent.us: > Warren Young wrote: >> On 6/3/2014 12:26, Lists wrote: >>> >>> Registered/Unregistered, CAS timing, >>> single/double/quad ranked, never mind voltages, and making sure your CPU >>> supports it! >> >> All of those specs are listed in the motherboard manual. If you're >> buying your RAM from a reseller that doesn't give you the corresponding >> specs to match up against the mobo specs, stop buying from that vendor. >> >> There are vendors that will match up your specific motherboard with the >> RAM that works in it, and will exchange the RAM for the right stuff if >> by some tiny chance they specified the wrong stuff. (e.g. Crucial) > > Buried in some of them, and others, well, it tells you what it will > take... and it *assumes* that you're just building the system, and buying > all the DIMMs as one batch, *not* that you're replacing a failed DIMM. But > you've got to match even things like cl2whatever. If it doesn't have > *exactly* what's on the other DIMMs, it won't work. That’s why you replace both. Or, if you build your own servers in significant quantities, you’ve got to do you’re own stock-keeping. Need 24 hard drives? Buy 30! Need 12 PSUs for 6 servers? Buy 16. That, or buy COTS-hardware from Dell, HP, IBM, Fujitsu with a support-contract….