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 1Rx4 registered ECC RDIMM with CL15 latency and 1.2 V operation for HP servers
This 16GB DDR4 module is built for HP servers that require registered ECC memory. It suits administrators who need to expand capacity in supported platforms without mixing untested parts. Buyers who want unbuffered desktop RAM or non-ECC modules should look elsewhere.
The single deciding spec is the registered RDIMM design with ECC and a 1Rx4 organisation. Systems that require unbuffered UDIMMs or a different rank configuration will not accept this module. Compatibility depends on the server memory controller accepting registered ECC at the stated speed.
The 288-pin DDR4 form factor fits the standard server DIMM slot and requires no extra tools or firmware steps. What usually goes wrong is installing the stick in a slot the server firmware does not populate for this rank or mixing it with modules of a different organisation, which can prevent the system from posting.
| 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 | 1Rx4 |
| Chipset | Major Brand Chipset |
| Shipping weight | 0.05 kg |
| Package size | 140 × 89 × 5 mm |
DDR4-2400 delivers up to 2400 MT/s data rate; actual throughput depends on the server's memory controller, channel population and workload.
PC4-19200 identifies the DDR4-2400 standard; the module runs at 1.20 V with CL15 latency and registered buffering for stability.
The module uses the standard 288-pin DDR4 RDIMM form factor and is validated as HP-compatible for the part number 819411-001.
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