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 DDR4-2666 ECC UDIMM with CL15 timing and 1.2V operation for Dell servers
This module is an 8 GB DDR4-2666 ECC UDIMM built to Dell part number SNPD715XC/8G. It runs at PC4-21300 speed with CL15 latency and 1.20 V operation. The unregistered design uses a 1Rx8 organisation and major-brand chips. It is intended for servers and workstations that require error-correcting memory.
Buyers who need registered DIMMs, higher capacities, or faster speeds should look elsewhere. Systems that only accept non-ECC memory cannot use this module. Environments requiring load-reduced or fully buffered designs are not supported by this unregistered UDIMM.
Check that the motherboard accepts unregistered ECC UDIMMs at 2666 MT/s and 1.2 V. Confirm the slot count and maximum capacity per slot from the system manual. Ensure the BIOS is current enough to recognise the module. Matching kits are supplied identically for multi-channel configurations.
| Brand | Dell |
|---|---|
| Capacity | 8GB |
| Speed | DDR4 2666 (PC4 21300) |
| CAS Latency | CL15 |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Unregistered |
| Chipset | Major Brand Chipset |
It fits a standard DDR4 UDIMM slot and runs at 1.2 V, so the board must support DDR4 unbuffered ECC memory at that voltage.
Yes, the system will clock all modules to the lowest common speed and latency, so slower sticks will work but overall bandwidth drops to their level.
Check the BIOS memory information or run a tool like dmidecode; it should show 2666 MT/s, 8 GB, ECC enabled and the correct part number.
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