SK hynix HMA42GR7AFR4N-TF 16GB DDR4 2133MHz CL15 ECC Registered Dual Rank 1.2V 288-Pin Server RAM
- 16GB
- 288-Pin DDR4 SDRAM
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NEMIX RAM
Eight 64 GB DDR5-4800 CL40 ECC registered DIMMs give 512 GB for ASUS K14PA-U12 servers with 128-core EPYC 9004 CPUs
This 512GB kit contains eight 64GB DDR5 4800 registered DIMMs built for the ASUS K14PA-U12 server motherboard. ECC and registered operation protect data integrity in multi-socket EPYC 9004 platforms running 128-core workloads. System integrators and IT teams specifying memory for dense virtualisation or database hosts will match the exact qualified configuration. Builders targeting consumer boards or non-ECC workstations cannot use these modules.
Each module runs at 1.10V without a heat spreader, relying on server chassis airflow for cooling. Registered buffering adds negligible latency while keeping the command bus stable under full 4800 MT/s load across all twelve memory channels. Power consumption scales linearly with capacity, so the 512GB total draws proportionally more than smaller kits but stays within standard DDR5 RDIMM limits. Acoustic output is determined entirely by the host system fans.
The kit ships as a matched set of eight 2Rx4 Samsung, Micron or Hynix IC modules tested together for the K14PA-U12. Pre-validated pairing removes the risk of mixed-rank or mixed-vendor instability during POST and under sustained load. No additional software, cables or mounting hardware are included because the modules install directly into the 288-pin DDR5 slots. IT staff can deploy the full 512GB capacity in a single maintenance window.
| Brand | NEMIX RAM |
|---|---|
| Series | ASUS Server Motherboard Compatible Series Memory |
| Model | ASUS DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-924K8 |
| Capacity | 512GB (8 x 64GB) |
| Speed | DDR5 4800 (PC5 38400) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | ASUS |
| CAS Latency | CL40 |
| Heat Spreader | No |
| Type | 288-Pin DDR5 RDIMM |
| Rank | 2Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 512GB (8X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
Power down, open the chassis, align each 288-pin module with the keyed slot, press firmly until both latches click, then verify all eight modules are detected in BIOS; the step often missed is seating every module fully so both latches engage.
No scheduled maintenance is required; if a module fails, replace the faulty 64GB 2Rx4 RDIMM with an identical DDR5 4800 CL40 1.10V part to keep ECC and registered operation consistent.
The memory controller’s maximum supported speed of DDR5 4800 caps throughput; sustained workloads will hit this bandwidth ceiling before thermal or voltage limits become an issue.
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