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 768GB DDR4-3200 ECC registered kit of twelve 64GB RDIMMs at CL22 and 1.2V for Thinkmate servers
This NEMIX RAM kit delivers 768GB of DDR4 3200 ECC registered memory across twelve 64GB modules. It is built for THINKMATE STX-TN-XE60-24S3 NAS servers that require maximum density and error correction for mission-critical workloads.
Operating at 1.20V without heat spreaders, these registered DIMMs rely on the server chassis airflow for cooling. The 4Rx4 organisation and CL22 latency keep power draw predictable in sustained 24/7 operation.
The kit provides exactly twelve 64GB RDIMMs totalling 768GB; systems with fewer than twelve slots or a lower per-slot limit cannot use this configuration. Buyers needing a smaller population or non-ECC memory should look elsewhere.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR4 3200MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR25600-944K12 |
| Capacity | 768GB (12 x 64GB) |
| Speed | DDR4 3200 (PC4 25600) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.20V |
| Compatible System | THINKMATE |
| CAS Latency | CL22 |
| Heat Spreader | No |
| Type | 288-Pin DDR4 RDIMM |
| Rank | 4Rx4 |
| Features | DDR4 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 768GB (12X64GB) DDR4 3200MHZ PC4-25600 4Rx4 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory KIT |
Power down the server, open the chassis, and seat each 64 GB module fully until the retention clips click; the step often missed is populating all twelve slots in the exact bank order the motherboard manual specifies for 4Rx4 registered DIMMs so the memory controller trains correctly.
The modules have no heat spreaders and no moving parts, so no routine maintenance is required; replacement is only needed if a DIMM fails, which is covered by the manufacturer’s lifetime replacement warranty.
The CAS latency of CL22 at 1.20 V sets the timing floor; under continuous heavy load the memory controller will hit this latency boundary before any thermal or voltage limit becomes a factor.
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