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
Sixteen-gigabyte DDR5 ECC registered modules totalling 96 GB at 4800 MT/s CL40 for Supermicro workstations
This NEMIX RAM 96GB kit uses six 16GB DDR5 4800 ECC RDIMM modules validated for the SuperMicro SuperWorkstation SYS-531A-I and X13SRA-TF motherboard. Registered buffering and on-die ECC protect data integrity in continuous server workloads.
The modules suit IT teams expanding memory in compatible SuperMicro workstations or servers that require registered DDR5 with CL40 timing. Builders needing unbuffered UDIMMs, non-ECC memory or faster CL ratings should select a different kit.
Each 1Rx8 module operates at 1.10V with a CAS latency of 40 at the DDR5 4800 (PC5-38400) data rate. This voltage and timing combination determines whether the motherboard will train the kit at full speed.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-618K6 |
| Capacity | 96GB (6 x 16GB) |
| 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 | 1Rx8 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 96GB (6X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
DDR5 RDIMMs operate without onboard batteries or field-updatable firmware; the modules are validated once at manufacture and require no scheduled maintenance.
The JEDEC DDR5 4800 MT/s data rate and CL40 latency set the maximum sustained bandwidth; the registered buffer adds one cycle but does not lower the ceiling.
Each 16 GB 1Rx8 module runs at 1.10 V within standard DDR5 RDIMM power limits; the six-module kit stays inside the platform's DIMM-slot thermal envelope without extra cooling.
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