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 CL15 2Rx4 1.2 V registered RDIMM with ECC for HP servers
This registered ECC module delivers 16 GB at DDR4-2400 with CL15 latency and 1.2 V operation. It uses a 2Rx4 organisation on a 288-pin form factor and matches HP part 836220-B21. The memory is built with major-brand DRAM and validated for 100 per cent compatibility.
Administrators expanding or repairing HP platforms that require registered DIMMs will find this module a direct fit. Systems that only accept unbuffered UDIMMs, need a different speed grade, or require capacities beyond 16 GB per slot should select alternative memory.
Registered buffering and ECC correction keep data integrity intact during sustained read-write cycles typical of virtualisation and database tasks. The 1.2 V rating helps limit thermal output when all channels remain populated and active for extended periods.
| Brand | HP |
|---|---|
| Capacity | 16GB |
| Type | 288-Pin DDR4 SDRAM |
| Speed | DDR4 2400 (PC4 19200) |
| CAS Latency | CL15 |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 2Rx4 |
| Chipset | Major Brand Chipset |
Yes, the module is a registered RDIMM that requires a server platform designed for registered DDR4 memory.
Mixing ranks is possible if the server BIOS supports mixed-rank population, but identical 2Rx4 modules per channel give the most stable operation.
Check the BIOS memory information or use a tool such as dmidecode to verify speed shows 2400 MT/s and CAS latency 15.
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