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
Adds 128 GB of DDR5 ECC registered memory in four 32 GB modules at 6400 MT/s CL52 for Supermicro X14SBW-F servers
This 128 GB kit contains four 32 GB DDR5 RDIMMs built for the SuperMicro X14SBW-F platform. Registered ECC modules with a 2Rx4 organisation provide the error correction and signal integrity that multi-socket server boards require. IT teams upgrading memory in validated SuperMicro systems receive a matched set tested for that platform.
The registered buffer and on-die ECC are the single specification that determines compatibility with the target motherboard. Unbuffered or non-ECC DIMMs will not function in this server design. Each module operates at the standard 1.10 V DDR5 voltage and carries a CL52 latency rating at the rated 6400 MT/s data rate.
Modules are stress-tested under continuous load to verify reliable operation during extended AI training and inference runs. The registered design reduces electrical loading on the memory controller, helping maintain signal quality when all fourteen ranks are populated. Samsung, Micron or Hynix DRAM components are selected for consistent thermal behaviour during prolonged high-utilisation periods.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | Supermicro DDR5 6400MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR51200-324K4 |
| Capacity | 128GB (4 x 32GB) |
| Speed | DDR5 6400 (PC5 51200) |
| 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 | 2Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 128GB (4X32GB) DDR5 6400MHZ PC5-51200 2Rx4 1.1V CL52 288-PIN ECC RDIMM Registered Server Memory KIT |
The kit runs at DDR5 6400 (PC5-51200) with CL52 latency at 1.1 V, delivering the rated transfer rate on the supported server platform.
These are 288-pin DDR5 RDIMMs with registered buffering and ECC, matching the X14SBW-F memory slots and chipset requirements.
Each module is a standard-height 288-pin RDIMM without a heat spreader, so all four occupy the board's DIMM slots normally.
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