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
192 GB DDR5 4800 ECC registered server memory kit with twelve 16 GB modules, CL40 latency and 1.1 V operation for Thinkmate RAX-QE12
This 192GB kit contains twelve 16GB DDR5 4800 registered ECC modules built for the Thinkmate RAX-QE12 rackmount server. It targets administrators who need maximum registered memory capacity in a validated configuration. The modules operate at 1.1V with CL40 latency and use a 288-pin RDIMM form factor. Buyers needing unbuffered memory or consumer platforms cannot use this kit.
Registered DDR5 modules run at the standard 1.1V voltage, keeping power draw low per module even with twelve installed. Passive operation without heat spreaders relies on chassis airflow, so fan speed and acoustic profile depend entirely on the server's cooling design. No additional power connectors or active cooling are required on the memory itself.
The kit replaces smaller RDIMM sets or mixed-capacity populations to reach the full 192GB in matched 1Rx8 modules. The jump is worth it when workloads demand the full registered ECC capacity at DDR5 4800 speeds and the system's memory controller supports twelve populated slots. Servers limited to fewer channels or lower maximum capacity will not benefit.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-618K12 |
| Capacity | 192GB (12 x 16GB) |
| 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 | 1Rx8 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 192GB (12X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
Power down the server, open the chassis, and seat each 288-pin DDR5 RDIMM firmly until the ejector clips click; the step most people miss is populating all twelve slots in the exact channel order shown in the system service guide so the 192 GB kit runs at 4800 MT/s.
The modules have no heat spreaders and no moving parts, so no routine maintenance is required; if a stick ever fails the lifetime replacement warranty covers a direct swap of the defective 16 GB RDIMM.
The registered DDR5 design keeps electrical loading low, so the first practical limit is the server's own thermal envelope — if chassis airflow cannot dissipate the combined heat of twelve 1.10 V modules, the platform will throttle memory speed before the memory itself hits an error threshold.
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