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
8GB DDR4 2666 ECC RDIMM CL19 1Rx8 1.2V 288-pin registered server memory module
This 8 GB registered DDR4 module runs at 2666 MT/s with CL19 latency and 1.20 V operation. It is built for Micron server and workstation platforms that require ECC error correction and registered signal buffering. The single-rank 1Rx8 organisation uses major OEM chips from Samsung, Micron or Hynix. Buyers needing non-ECC or unbuffered memory for consumer desktops cannot use this module.
The standard 288-pin RDIMM keying fits server motherboards designed for registered DDR4 memory. No heat spreader is fitted, so airflow across the PCB is unimpeded in dense multi-DIMM configurations. Installation follows the usual DIMM-slot procedure; the registered buffer adds a clock cycle of latency but improves signal integrity at high population counts. Systems that accept only unbuffered UDIMMs will not post with this part.
At 1.20 V the module draws minimal power and runs cool without active cooling in typical server chassis airflow. The absence of a spreader reduces weight and avoids clearance issues with tall CPU coolers or tightly spaced slots. Acoustic impact is zero because the memory itself has no moving parts. Workloads that push sustained maximum bandwidth will increase power draw proportionally, but the rated voltage remains 1.20 V.
| Brand | NEMIX RAM |
|---|---|
| Series | Micron Server/Workstaion Compatible Series Memory |
| Model | Micron DDR4 2666MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR21300-818K1 |
| 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 | 1Rx8 |
| Features | DDR4 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 8GB (1X8GB) DDR4 2666MHZ PC4-21300 1Rx8 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory |
The DDR4 2666 interface operates at 2666 MT/s, rated PC4-21300 bandwidth with CL19 latency.
It fits a standard 288-pin DDR4 RDIMM slot; the module has no heat spreader so low-profile clearance is sufficient.
Align the notch with the keyed slot, press firmly until both locking tabs click, then verify the system recognises 1Rx8 ECC registered mode in BIOS.
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