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 modules totalling 512 GB for Supermicro SuperWorkstation SYS-751A-I
This 512GB kit contains eight 64GB registered DDR5 modules rated at 4800MT/s with CL40 latency. It is built for SuperMicro SuperWorkstation SYS-751A-I and Super X13DAI-T platforms that require ECC registered memory. The modules operate at 1.1V and use a 2Rx4 organisation with major OEM chips.
Installation follows the motherboard manual slot population rules for registered memory. The kit includes no heat spreaders, so airflow across the DIMM area must be adequate. Mixing these modules with different ranks, speeds or voltages can prevent the system from posting. Always populate identical kits per channel for stability.
This capacity targets virtualisation hosts, database servers and compute nodes that need maximum registered ECC density. Builders using consumer motherboards, non-ECC platforms or boards limited to lower densities should look elsewhere. Systems that require unbuffered UDIMMs or speeds above 4800MT/s cannot use this kit.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro 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 | Supermicro |
| 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 |
Check the BIOS or UEFI memory information screen — it should report 4800 MT/s speed, CL40 latency, 1.10 V voltage and 512 GB total across eight 64 GB modules.
The box holds eight 288-pin DDR5 64 GB ECC RDIMM modules (2Rx4, 1.10 V). No additional components are required for the listed Supermicro systems.
This 512 GB (8 × 64 GB) kit matches the maximum supported capacity per processor on the X13DAI-T; select it when you need the full 512 GB per CPU.
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