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
8GB DDR4-2133 ECC registered RDIMM, 2Rx8 CL15 1.2V, matching Dell SNPH8PGNC for compatible servers
This registered ECC module is built for Dell servers that require 288-pin DDR4-2133 memory. It suits administrators who need to expand capacity in existing racks without replacing hardware. The 2Rx8 organisation and CL15 timing match the original SNPH8PGNC specification. Major-brand DRAM ensures the same electrical characteristics as OEM-supplied sticks.
Registered buffering reduces electrical load on the memory controller, allowing stable operation when every slot is populated. ECC circuitry corrects single-bit errors on the fly, preventing data corruption during long-running virtualization or database workloads. The 1.2 V supply keeps power draw predictable across full DIMM populations. Thermal output remains consistent because the module lacks aggressive overclocking profiles.
The PC4-17000 rating caps peak bandwidth at the JEDEC-standard 2133 MT/s, so workloads that scale with memory throughput will hit this ceiling. Dual-rank density means only two ranks per channel, which can restrict maximum system capacity on platforms with tight rank limits. CL15 latency is fixed by the SPD profile and cannot be tightened without violating the registered specification. Mixing speeds forces all channels to the slowest installed module.
| Brand | Dell |
|---|---|
| Capacity | 8GB |
| Type | 288-Pin DDR4 SDRAM |
| Speed | DDR4 2133 (PC4 17000) |
| CAS Latency | CL15 |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 2Rx8 |
| Chipset | Major Brand Chipset |
The module operates at 1.20 V with standard DDR4 power characteristics; ECC registered design adds minimal overhead for continuous operation.
A server motherboard with DDR4 RDIMM slots that supports ECC registered memory at 2133 MT/s and 1.20 V operation.
Yes, if the existing modules are also DDR4-2133 ECC registered RDIMMs; the system will run all channels at the lowest common speed and latency.
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