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
8 GB registered DDR4 ECC module at 2666 MT/s, CL19, 1.2 V, 288-pin RDIMM for Micron-compatible servers
This 8 GB DDR4 2666 MHz registered DIMM adds ECC-protected capacity to compatible Micron server and workstation platforms. The single-rank 1Rx4 module runs at 1.2 V with CL19 latency and fits standard 288-pin DDR4 RDIMM slots. It targets administrators who need to expand memory in validated enterprise systems.
Replacing standard unbuffered or non-ECC memory with this registered ECC RDIMM enables error correction and signal buffering required by many server chipsets. The jump is worthwhile when the platform mandates registered DIMMs and ECC for data integrity under sustained workloads.
Confirm the motherboard or system documentation explicitly lists DDR4 2666 registered ECC RDIMM support and the maximum rank count per channel. Some platforms restrict mixing 1Rx4 modules with other ranks or limit total DIMMs per channel, so check the qualified vendor list before ordering.
| Brand | NEMIX RAM |
|---|---|
| Series | Micron Server/Workstaion Compatible Series Memory |
| Model | Micron DDR4 2666MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR21300-814K1 |
| Capacity | 8GB |
| Speed | DDR4 2666 (PC4 21300) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.20V |
| Compatible System | MICRON |
| CAS Latency | CL19 |
| Heat Spreader | No |
| Type | 288-Pin DDR4 RDIMM |
| Rank | 1Rx4 |
| Features | DDR4 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 8GB (1X8GB) DDR4 2666MHZ PC4-21300 1Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory |
Yes, the module uses the standard 288-pin DDR4 RDIMM form factor used by compatible Micron server platforms.
Follow your system manual for population rules; registered ECC RDIMMs often require specific slot sequences per channel.
Replace it if memory diagnostics report uncorrectable ECC errors or if the system logs repeated corrected errors over time.
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