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 DDR4 ECC module at 2133 MT/s with CL15 latency and 1.2V operation
This 8 GB DDR4-2133 Registered RDIMM is built for HP servers that require ECC Registered memory. It runs at PC4-17000 speed with CL15 latency and 1.20 V operation. The module uses major-brand chips and matches HP part number 804843-001.
Buyers maintaining HP infrastructure that calls for 288-pin Registered ECC DDR4 will find this module a direct drop-in replacement. It is not suitable for consumer desktops, laptops or workstations that accept only unbuffered non-ECC memory.
The single 8 GB stick handles typical virtualization hosts, database nodes and file servers that populate multiple slots. Workloads needing larger per-slot density or higher memory bandwidth should look at higher-capacity or faster-rated modules.
| Brand | HP |
|---|---|
| Capacity | 8GB |
| Type | 288-Pin DDR4 SDRAM |
| Speed | DDR4 2133 (PC4 17000) |
| CAS Latency | CL15 |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 1Rx4 |
| Chipset | Major Brand Chipset |
Yes, the module is a registered RDIMM, so the motherboard must support registered DDR4 memory; standard unbuffered slots will not work.
It will run at the lowest common speed and voltage; matching rank and CAS latency helps stability, but the server’s memory controller determines final behaviour.
Check the BIOS memory information or run a tool such as dmidecode; it should show 2133 MT/s, registered, ECC enabled and the correct part number.
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