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
32 GB DDR4-2133 ECC LRDIMM with CL15 latency and 1.2 V operation for Dell servers
This 32 GB DDR4-2133 LRDIMM is built to Dell's SNPMMRR9C/32G specification and uses major-brand Samsung, SK Hynix or Micron components. It targets administrators who need to expand memory capacity in compatible Dell PowerEdge servers while keeping the original factory warranty intact. The module is 100 % tested and validated for drop-in installation.
The 4Rx4 load-reduced design lets you populate more slots per channel than standard registered DIMMs, so the upgrade is worth it when the board's RDIMM limit has been reached but LRDIMM support remains. Orders ship with identically matched modules to avoid mixed-rank configurations that can prevent the system from posting.
The JEDEC-standard 2133 MT/s data rate and CL15 latency set the hard ceiling for throughput, so newer CPUs that support faster DDR4 speeds will still run these modules at 2133 MT/s. The 1.2 V operating voltage matches the DDR4 baseline, but the registered buffer and quad-rank layout add electrical load that can restrict maximum populated DIMM counts on some platforms.
| Brand | Dell |
|---|---|
| Capacity | 32GB |
| Type | 288-Pin DDR4 SDRAM |
| Speed | DDR4 2133 (PC4 17000) |
| CAS Latency | CL15 |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 4Rx4 |
| Chipset | Major Brand Chipset |
Yes, the module uses the standard 288-pin DDR4 form factor required by compatible Dell servers.
Align the notch with the slot key, press down firmly until both side clips click shut, then verify the full 32GB appears in the BIOS.
Replace it once correctable error counts rise steadily, as the lifetime warranty covers the 32GB LRDIMM for the server's service life.
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