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
A 64 GB DDR5 ECC RDIMM running at 6400 MHz with CL52 latency, 1.1 V operation and quad-rank 4Rx4 architecture for Supermicro servers
This single 64GB registered DDR5 module operates at 6400MHz with CL52 latency and 1.1V power draw. It targets IT teams upgrading Supermicro X14SBW-F platforms that require ECC error correction and registered signal buffering for stability.
The 4Rx4 rank layout uses Samsung, Micron or Hynix components to meet dense server workloads. ECC and registered operation together protect data integrity and reduce electrical load on the memory controller in multi-DIMM configurations.
Alignment notches on the 288-pin edge connector prevent backwards insertion. Installers must verify the motherboard Qualified Vendor List and populate slots in the order the manual specifies; mismatched ranks or missing BIOS updates are the usual causes of POST failures.
| Brand | NEMIX RAM |
|---|---|
| Series | Supermicro Compatible Series Server Memory |
| Model | DDR5 ECC RDIMM Registered Server RAM |
| Part Number | MR51200-944K1 |
| Capacity | 64GB |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | Supermicro |
| CAS Latency | CL52 |
| Heat Spreader | No |
| Type | 288-PIN DDR5 RDIMM |
| Rank | 4Rx4 |
| Features | DDR5 ECC RDIMM Motherboard Compatible |
| Package Content | 64GB (1 x 64GB) DDR5 6400MHz PC5-51200 4Rx4 1.1V 288-PIN ECC RDIMM |
The module is a standard 288-pin DDR5 RDIMM with on-die ECC; no user-serviceable parts or firmware updates are needed after installation.
The JEDEC 1.10 V operating voltage and CL52 latency define the power envelope; sustained loads stay within the rated DDR5 specification.
Without a heat spreader the module relies on chassis airflow; at 1.1 V typical power draw is low enough for standard server cooling.
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