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
512 GB of DDR5-4800 ECC registered server memory in a 16-module kit for ThinkMate SuperServer 111C-NR, 121C-TN2R and 121C-TN10
This 512GB kit delivers 16 registered DDR5 modules at 4800MT/s with ECC, built for Thinkmate SuperServer 111C-NR, 121C-TN2R and 121C-TN10 systems. Each 32GB stick runs at 1.1V with CL40 timing and a 1Rx4 organisation. The registered design buffers address and command signals for stable operation in dense configurations.
Operating at 1.1V, the modules consume less power per gigabyte than earlier DDR generations while the registered buffer reduces electrical load on the memory controller. No heat spreaders are fitted, so airflow through the server chassis handles thermal management directly. The CL40 latency is typical for 4800MT/s registered ECC memory under normal workloads.
The 288-pin DDR5 RDIMM package matches the motherboard sockets in the listed SuperServer models, ensuring correct keying and mechanical fit. ECC and registered functions require platform support that these Thinkmate systems provide. Buyers needing non-ECC unbuffered memory or a different module count cannot use this kit.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-314K16 |
| Capacity | 512GB (16 x 32GB) |
| Speed | DDR5 4800 (PC5 38400) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | THINKMATE |
| CAS Latency | CL40 |
| Heat Spreader | No |
| Type | 288-Pin DDR5 RDIMM |
| Rank | 1Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 512GB (16X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory |
Power down the server, open the chassis, align each 288-pin module with its slot, press firmly until the ejector tabs click, then verify in BIOS that all 512GB are detected at 4800 MT/s; the step often missed is seating every module fully so both tabs lock.
The modules have no heat spreaders and no moving parts, so no routine maintenance is required; replacement is only needed if a module fails, which the ECC logic will flag through corrected-error counters in the system logs.
The CAS latency of CL40 at DDR5 4800 sets the timing ceiling; under continuous load the memory controller will hit this latency bound before voltage or thermal limits become a factor.
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