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 registered ECC RDIMM at 2133 MHz with CL15 latency and 1.20 V operation
This 8 GB registered DDR4 module is built for HP servers that require PC4-17000 speed and ECC protection. It suits administrators expanding memory in supported ProLiant or Apollo platforms. The part is validated for 100 % compatibility with the OEM part number 726718-B21. Buyers who need unbuffered UDIMMs or higher-capacity sticks should look elsewhere.
The single specification that decides fit is the registered ECC design running at DDR4-2133 with a CAS latency of 15. Only systems that accept 1Rx4 registered DIMMs at this exact speed and voltage will post correctly. Using this module in a desktop board or a server that expects load-reduced or unregistered memory will prevent boot.
Installation requires a free 288-pin DDR4 RDIMM slot operating at 1.2 V; the module draws standard registered power and leaves other slots available for identical units. All orders ship with identically matched modules so multi-channel populations stay uniform. Builders who need mixed-rank configurations or non-HP qualified memory will not be served by this part.
| 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 |
The module runs at DDR4-2133, delivering up to 2133 million transfers per second when the platform supports that speed.
PC4-17000 marks a peak bandwidth of 17000 MB/s; actual throughput depends on the memory controller and rank configuration.
It fits a standard 288-pin DDR4 RDIMM slot and needs registered-memory support on the motherboard.
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