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
16 GB registered ECC DDR4 module at 2933 MHz with 2Rx8 organisation for HPE-compatible servers
This 16 GB DDR4-2933 registered ECC module targets administrators upgrading HPE servers that require PC4-23400 memory. It uses a 2Rx8 organisation on a 288-pin DIMM and operates at the standard 1.2 V. The sticks are built with major-brand DRAM and validated for full compatibility.
DDR4 memory runs passively and draws minimal power at 1.2 V, adding negligible heat to a populated server chassis. No active cooling is required beyond normal system airflow. Registered buffering reduces electrical load on the memory controller during heavy workloads.
The module directly replaces the HPE P19253-001 part while maintaining the original factory warranty. It suits fleets needing cost-effective capacity expansion without mixing vendors. The jump is worth it when identical modules are required across all slots for stable multi-channel operation.
| Brand | HPE |
|---|---|
| Capacity | 16GB |
| Type | 288-Pin DDR4 SDRAM |
| Speed | DDR4 2933 (PC4 23400) |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 2Rx8 |
| Chipset | Major Brand Chipset |
Align the single off-centre notch on the 288-pin edge connector with the key in the DDR4 slot, press straight down until both retention clips click, and confirm the 1.20 V LED indicator lights if the board has one.
The module itself has no user-serviceable parts; plan to replace it only if ECC correctable-error counts rise sharply or if a firmware update requires a different rank configuration.
The registered buffer and 1.20 V supply keep signal integrity stable, so the practical ceiling is the memory controller’s maximum supported rank-per-channel limit rather than thermal throttling.
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