NEMIX RAM 384GB (4x96GB) DDR5 6400MHz CL52 2Rx4 1.1V ECC RDIMM for ASRock Rack W890D8-2L2T memory upgrade

384GB DDR5 ECC RDIMM kit for ASRock Rack W890D8-2L2T

This registered DDR5 memory kit delivers 384GB across four 96GB modules built for the ASRock Rack W890D8-2L2T motherboard. It targets servers and workstations that require error-correcting code and registered signalling for data integrity. The 2Rx4 organisation and 1.1V operation suit high-density configurations where stability matters more than low latency. Buyers needing non-ECC or unbuffered DIMMs for consumer platforms should look elsewhere.

Sustained load behaviour with CL52 at 6400MHz

Rated at 6400MHz with a CAS latency of 52, the modules maintain their specified timing under continuous server workloads rather than only in short bursts. Registered buffering reduces electrical load on the memory controller, helping consistent throughput when all channels are populated. The 1.1V voltage keeps power draw predictable during extended compute tasks. Systems that depend on overclocked memory profiles or tighter latencies will not match their targets with this kit.

288-pin registered DIMMs without heat spreaders

Each module uses the standard 288-pin DDR5 RDIMM form factor and omits a heat spreader, so clearance depends solely on the motherboard slot spacing and any adjacent heatsinks. The registered interface adds a clock cycle of command delay, which the W890D8-2L2T platform expects. Installers must populate all four slots to reach the rated 384GB capacity; partial population will reduce total memory and may change supported speeds. Builds that require tall heatsinks or liquid-cooling blocks on the DIMMs themselves cannot use these bare modules.