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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Brute Networks
16GB DDR4-2133 CL15 registered ECC RDIMM at 1.2V for Cisco UCS C220 M4 servers
This 16GB DDR4-2133 registered DIMM adds 16GB of ECC memory to compatible Cisco UCS servers. It runs at 2133MHz with CL15 latency and a 1.20V supply. The module uses a 2Rx4 organisation and a 288-pin form factor for standard server slots.
Builders expanding a Cisco UCS C220 M4 will find this part matches the OEM specification. Systems that require unbuffered UDIMMs, a different pin count, or non-ECC memory cannot use this registered module.
The single specification that decides compatibility is the registered signal processing combined with ECC support. Only platforms designed for registered ECC DDR4 DIMMs can accept this module.
| Brand | Cisco |
|---|---|
| Capacity | 16GB |
| Type | 288-Pin DDR4 SDRAM |
| Speed | DDR4 2133 (PC4 17000) |
| CAS Latency | CL15 |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 2Rx4 |
| Chipset | Major Brand Chipset |
Align the notch with the slot key, press firmly until both side clips click, then verify the system registers 16GB at 2133MHz in BIOS.
No routine maintenance is required; replace only if memory errors appear or capacity must increase beyond 16GB.
The DDR4-2133 CL15 timing and 1.20V voltage set the bandwidth and thermal ceiling during prolonged server workloads.
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