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
12-module DDR5 4800 kit delivers 192 GB of ECC registered server memory for Cisco UCS X210c M7 compute nodes
This 192GB memory kit contains twelve 16GB DDR5 4800 registered DIMMs validated for the Cisco UCS X210c M7 compute node. It is built for administrators who need maximum capacity in a single server refresh. Buyers who require non-ECC modules or desktop DIMMs cannot use this kit.
Each module is a 1Rx8 registered ECC RDIMM operating at 1.10V without a heat spreader. The registered buffer and error-correcting code protect data integrity under sustained enterprise workloads. The 288-pin DDR5 form factor fits only motherboards wired for DDR5 RDIMM slots.
The kit runs at DDR5 4800 (PC5-38400) with CAS latency 40 and a single-rank 1Rx8 organisation per module. This speed and latency combination determines whether the memory matches the compute node's qualified vendor list. Systems that demand a different data rate or rank configuration will not accept this kit.
| Brand | NEMIX RAM |
|---|---|
| Series | Cisco Server Compatible Series Memory |
| Model | Cisco 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 | Cisco |
| 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 |
The modules run at 4800 MT/s with CL40 latency; registered buffering adds one clock cycle to command timing, so sustained throughput depends on the Cisco UCS X210c M7 memory controller and population rules.
Each module is a 288-pin DDR5 RDIMM without a heat spreader, so it fits standard DDR5 DIMM slots; verify the node’s slot count and any height restriction before installing all 12 modules.
Populate slots per the node’s memory population guide — typically balanced across channels — then enable ECC in BIOS; the step most often missed is confirming the firmware recognises all 192 GB at 4800 MT/s before deploying workloads.
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