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 DDR4 SODIMM running at 2666 MHz CL19, validated for QNAP NAS compatibility
This module adds eight gigabytes of DDR4-2666 memory to compatible QNAP NAS units. It targets administrators who need extra capacity for virtualization, caching or multi-user file services without replacing the entire appliance.
The SODIMM slides into the NAS memory slot and locks with the side clips; no screws or cables are involved. The main installation risk is inserting the stick at an angle, which can bend the gold contacts or leave the module partially seated.
The PC4-21300 interface caps throughput at the rated speed, so heavier workloads will not exceed that ceiling. Because the module is non-ECC, it cannot correct single-bit errors, making it unsuitable for environments that require error-correcting memory.
| Brand | NEMIX RAM |
|---|---|
| Series | QNAP NAS Compatible Series Memory |
| Model | QNAP DDR4 2666MHZ Non-ECC Unbuffered SODIMM NAS Memory |
| Part Number | MS21300-828K1 |
| Capacity | 8GB |
| Speed | DDR4 2666 (PC4 21300) |
| ECC | No |
| Buffered/Registered | Unbuffered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.20V |
| Compatible System | Qnap |
| CAS Latency | CL19 |
| Heat Spreader | No |
| Type | 260-Pin DDR4 SODIMM |
| Rank | 2Rx8 |
| Features | DDR4 Non-ECC Unbuffered SODIMM Motherboard Compatible |
| Package Content | 8GB (1X8GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN Non-ECC Unbuffered SODIMM |
Check the NAS system information page or BIOS/UEFI memory details; they should show DDR4-2666 speed, 1.20V voltage and CAS latency 19 for the installed module.
The box contains one 8GB 260-pin DDR4 SODIMM (2Rx8, non-ECC, unbuffered); no additional components or tools are required for a standard QNAP NAS memory slot.
Select this 8GB 2Rx8 stick if your NAS has a free SODIMM slot and the manufacturer lists PC4-21300 CL19 as supported; match the existing rank and voltage if adding to populated slots.
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