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 DDR4-2400 registered ECC RDIMM with 1Rx4 organisation, CL15 latency and 1.2 V operation for HP-compatible servers
This 8GB DDR4 2400 registered DIMM is built for HP servers that require ECC registered memory. It suits administrators upgrading or repairing compatible systems where OEM-equivalent modules are specified. The 1Rx4 organisation and 1.2V operation match the original HP 852261-001 part.
The module delivers 8GB of capacity at DDR4 2400 (PC4-19200) with CL15 latency. It handles typical virtualisation workloads and database buffers within this density, but larger datasets or higher thread counts will exhaust the 8GB limit and require additional slots or higher-capacity DIMMs.
Registered buffering and on-die ECC maintain data integrity under sustained server loads while operating at the standard 1.2V DDR4 voltage. The major-brand DRAM chips run within JEDEC thermal limits in normal airflow, keeping power draw low and acoustics negligible in populated chassis.
| Brand | HP |
|---|---|
| Capacity | 8GB |
| Type | 288-Pin DDR4 SDRAM |
| Speed | DDR4 2400 (PC4 19200) |
| CAS Latency | CL15 |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 1Rx4 |
| Chipset | Major Brand Chipset |
It is a 288-pin DDR4 SDRAM module rated at 2400 MT/s with CL15 latency and 1.20 V operation. The registered design adds a clock cycle of buffering. Mixing speeds will cause all modules to run at the speed of the slowest installed module.
Enter the server BIOS or UEFI and open the memory information screen. It should report 2400 MT/s, 1Rx4 organisation, registered operation and ECC enabled. You can also use an OS tool such as dmidecode or CPU-Z to verify the same values.
The box contains the 8GB DDR4-2400 registered RDIMM only. No brackets, cables, heat-spreaders or tools are included. You only need a compatible 288-pin DDR4 RDIMM slot and an anti-static wrist strap or mat for safe handling.
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