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 32 GB DDR5 4800 CL40 ECC registered DIMM running at 1.1 V for ThinkMate nearline storage servers
This 32 GB DDR5 module runs at 4800 MHz with CL40 latency and 1.1 V operation. It uses a 2Rx8 registered ECC design on a 288-pin form factor. The part targets Thinkmate STX-NL-QE16 E4 nearline storage servers requiring registered memory. It is sold as a single 32 GB stick.
The module has no heat spreader and draws power at the standard DDR5 1.10 V level. Registered ECC operation adds minimal electrical load compared to unbuffered alternatives. Passive cooling relies on server chassis airflow across the bare PCB. No active cooling or acoustic contribution is present.
Installation uses a single 288-pin DDR5 RDIMM slot on the compatible Thinkmate motherboard. Registered signalling requires a server chipset that supports buffered memory. The 2Rx8 organisation counts as two logical ranks per channel. Buyers needing higher total capacity must populate additional slots with matching modules.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-328K1 |
| Capacity | 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 | 2Rx8 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 32GB (1X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory |
Power down the server, open the chassis, align the notch on the module with the slot key, press firmly until both retention clips click, then verify in BIOS that the 32 GB module registers at 4800 MT/s with ECC enabled; the step often missed is seating the module fully so both clips engage.
The module itself has no moving parts and requires no scheduled maintenance; replacement is only necessary if a correctable error count climbs or a firmware update demands a different revision, otherwise it runs for the server's lifetime.
The CAS latency of CL40 at 4800 MT/s sets the baseline response time; under continuous load the memory controller's thermal throttle point or the platform's maximum registered DIMM count will be reached before the module's own rating is exceeded.
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