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 registered ECC DDR4-2666 module with 1Rx8 organisation and 1.2V operation for HPE-compatible servers
This 8GB DDR4-2666 module is built for HPE servers that require registered ECC memory. It runs at 1.20V with a 1Rx8 organisation and uses major-brand DRAM chips. The 288-pin form factor matches standard DDR4 DIMM slots in compatible platforms.
IT teams maintaining HPE infrastructure can use this module to expand capacity or replace failed sticks while keeping the factory warranty intact. Buyers who need unbuffered memory, non-ECC operation, or speeds above DDR4-2666 should select a different part.
The registered buffer and ECC function are mandatory for the target HPE platforms; a system expecting unbuffered non-ECC DIMMs will not POST with this module. The single-rank 1Rx8 layout and 1.20V voltage are fixed electrical characteristics that must match the server memory-configuration rules.
| Brand | HPE |
|---|---|
| Capacity | 8GB |
| Type | 288-Pin DDR4 SDRAM |
| Speed | DDR4 2666 (PC4 21300) |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 1Rx8 |
| Chipset | Major Brand Chipset |
The module provides exactly 8 GB of DDR4-2666 registered ECC memory in a 1Rx8 layout; add one per available 288-pin slot to reach the total capacity your platform supports.
PC4-21300 indicates a peak transfer rate of 21 300 MB/s at the rated 2666 MT/s clock, which is the maximum bandwidth this stick can deliver when installed in a compatible DDR4 channel.
Yes, the stick is built to the 872836-091 specification — 1.2 V DDR4-2666 registered ECC on a 288-pin connector — so it runs at the full 2666 MT/s in any slot that accepts that standard.
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