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
512 GB DDR5 kit with sixteen 32 GB ECC registered DIMMs at 4800 MT/s CL40 for Supermicro SuperWorkstation SYS-751A-I
This 512GB kit contains sixteen 32GB DDR5 4800 CL40 registered DIMMs built for Supermicro SuperWorkstation SYS-751A-I and Super X13DAI-T platforms. It targets IT professionals who need maximum registered ECC capacity in a single qualified configuration.
The 1Rx4 organisation across sixteen modules delivers 512GB at 1.10V, letting memory-intensive workloads scale without exceeding the platform’s registered DIMM limits. Population rules on the target systems cap further expansion, so the kit represents the practical ceiling for this chassis.
Supplied as a matched 16-piece set, the modules eliminate mixed-rank variability and enable the platform’s full ECC scrubbing and error-containment features. No heat spreaders are included, so airflow must meet the server’s original thermal design.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-314K16 |
| Capacity | 512GB (16 x 32GB) |
| Speed | DDR5 4800 (PC5 38400) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | Supermicro |
| CAS Latency | CL40 |
| Heat Spreader | No |
| Type | 288-Pin DDR5 RDIMM |
| Rank | 1Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 512GB (16X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory |
Yes, the kit is validated for the Supermicro SYS-751A-I and uses standard DDR5 4800 PC5-38400 1.1V registered timings, so it will operate with other DDR5 4800 registered DIMMs in the same platform.
Enter the system BIOS and confirm the memory speed reads 4800 MT/s, CAS latency shows CL40, and ECC status is reported as enabled for all 16 modules.
The box contains the 16 32GB DDR5 4800 CL40 1Rx4 ECC RDIMM modules; no heat spreaders or additional hardware are included, and no separate components are required for installation in a compatible Supermicro system.
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