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 DDR4-2400 ECC UDIMM with CL15 latency and 1.2 V operation for HP-compatible servers
This 16GB DDR4-2400 ECC UDIMM carries HP part number 862690-091 and runs at 1.2V with CL15 latency. It is built with major-brand chips and validated for full compatibility with HP server platforms. The unbuffered design suits systems that require standard UDIMM modules.
Administrators expanding memory in supported HP servers will find this module a direct drop-in replacement. It is not suited for workstations or desktops that need registered DIMMs or non-ECC memory. Buyers who require higher capacities or faster speeds must select a different specification.
The decisive specification is the DDR4-2400 speed rating with CL15 timing at 1.2V. Systems that demand this exact speed, latency and voltage combination will operate correctly. Platforms requiring a different data rate or voltage should not use this module.
| Brand | HP |
|---|---|
| Capacity | 16GB |
| Speed | DDR4 2400 (PC4 19200) |
| CAS Latency | CL15 |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Unregistered |
| Chipset | Major Brand Chipset |
Yes, the module is an unregistered UDIMM with 288 pins, matching the standard DDR4 server slot used in compatible HP systems.
Align the notch with the slot key, press firmly until both side clips click shut, then verify the system recognises the full 16GB capacity and ECC function in BIOS.
Replace if memory diagnostics report uncorrectable ECC errors, the server logs repeated corrected errors, or the module fails to initialise during POST.
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