ASRock Rack Offers Rome mATX Motherboard with only 6 Memory Channels

One of the items that makes a motherboard immediately standout is the amount of memory slots it has. For mainstream platforms, having two or four memory slots, for dual channel memory at one DIMM per channel (1 DPC) or two modules per channel (2 DPC) respectively is normal. If we saw a motherboard with three, it would be a little odd.

We’ve seen high-end desktop platforms have three (Nehalem) or four (almost everything else) memory channels, so we see either 3/4 or 6/8 memory slots respectively for 1 DPC and 2 DPC. When moving into server hardware, Intel’s Xeons have six channels, while AMD’s EPYC has eight channels, so 6/8 and 12/16 for 1 DPC and 2 DPC are obvious.

So what happens when a motherboard displays a different number of memory slots than expected? This is what happens with the new ASRock Rack ROME6U-2L2T motherboard. It supports AMD EPYC processors, both Naples and Rome, which have eight channel memory. Even at 1 module per channel, we expect a minimum of eight memory slots. But for this motherboard, there is only six.

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