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 4800 registered ECC RDIMM module with CL40 latency and 1.1 V operation for Micron-compatible servers
This 64GB DDR5 module runs at 4800MT/s with CL40 latency and 1.1V operation. It uses a 2Rx4 registered ECC design on a 288-pin form factor for Micron server and workstation platforms. The registered buffer and error-correcting code protect data integrity in multi-socket environments.
Registered buffering reduces electrical load on the memory controller during continuous heavy workloads. ECC corrects single-bit errors on the fly, preventing silent data corruption during long compute jobs. The 4800MT/s rate and CL40 timing deliver consistent bandwidth without the voltage spikes seen in unbuffered consumer modules.
The module installs like any standard 288-pin DIMM; align the key notch and press until the retention clips engage. No heat spreader is present, so airflow across the PCB is essential in dense chassis. Systems that require UDIMM or LRDIMM will not accept this RDIMM, and mixing registered with unbuffered modules prevents boot.
| Brand | NEMIX RAM |
|---|---|
| Series | Micron Server/Workstaion Compatible Series Memory |
| Model | Micron DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-924K1 |
| Capacity | 64GB |
| Speed | DDR5 4800 (PC5 38400) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | MICRON |
| CAS Latency | CL40 |
| Heat Spreader | No |
| Type | 288-Pin DDR5 RDIMM |
| Rank | 2Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 64GB (1X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory |
The module operates at 1.1 V, the standard DDR5 voltage, which reduces power draw compared with previous DDR generations while maintaining 4800 MT/s throughput.
A server or workstation board with a DDR5 288-pin RDIMM slot and BIOS that enables ECC and registered memory operation is required.
No — registered DIMMs need a motherboard chipset and memory controller designed for buffered operation; unbuffered consumer boards cannot use them.
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