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 256 GB DDR5 ECC registered server kit with two 128 GB modules running at 4800 MT/s CL40 for Thinkmate RAX-QE12
This NEMIX RAM kit delivers 256GB across two 128GB DDR5 RDIMMs built for the ThinkMate RAX-QE12 rackmount server. Each module runs at 4800 MT/s with CL40 latency at 1.1V and uses a 4Rx4 registered ECC design for data integrity in mission-critical workloads.
Replacing smaller registered DIMMs with this 256GB kit expands the memory pool for virtualisation, databases and large-scale analytics. The jump is worthwhile when the current configuration hits capacity limits and the platform supports 128GB dual-rank modules at the native 4800 speed.
The 256GB total comfortably handles dense VM clusters, in-memory databases and heavy compile farms while ECC and registered signalling protect data accuracy. Headroom narrows once the server fills every slot with 4Rx4 modules, as further expansion would require higher-density parts not covered by this kit.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-744K2 |
| Capacity | 256GB (2 x 128GB) |
| 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 | 4Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 256GB (2X128GB) DDR5 4800MHZ PC5-38400 4Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
Yes, these 288-pin DDR5 RDIMM modules are built to match the Thinkmate RAx-QE12 memory slots exactly.
Power down, open the chassis, align each module notch with the slot key, press firmly until both side clips click, then verify 256 GB in BIOS.
Replace modules only if memory diagnostics report uncorrectable errors or the system logs repeated corrected ECC events over time.
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