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
32 GB DDR4-3200 ECC registered server memory with 2Rx8 organisation, 1.20 V operation and Dell AB634642 compatibility
This 32GB DDR4-3200 module is built for servers and workstations that require error-correcting registered memory. It operates at 1.20V and uses a 2Rx8 organisation with major-brand chips. The part is 100% compatible with Dell systems referencing AB634642.
Registered ECC memory is the single specification that determines whether this DIMM fits the platform. The 2Rx8 rank structure and registered buffer match the electrical requirements of Dell-qualified slots. Systems expecting unbuffered or non-ECC modules will not accept this part.
Under sustained load the module maintains its rated 3200 MT/s transfer rate and PC4-25600 bandwidth. Registered buffering reduces electrical loading on the memory controller, allowing stable operation during long compute jobs. The 1.20V supply keeps power draw consistent across extended sessions.
| Brand | Dell |
|---|---|
| Capacity | 32GB |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 2Rx8 |
| Chipset | Major Brand Chipset |
The module provides 32GB of registered ECC memory operating at 3200 MT/s with a PC4-25600 data rate, giving a dual-rank 2Rx8 configuration at 1.20V for compatible Dell platforms.
PC4-25600 specifies a peak transfer rate of 25600 MB/s; actual bandwidth depends on the memory controller, channel population and BIOS settings of the host system.
It fits a standard 288-pin DDR4 RDIMM socket; the registered design adds a small register buffer on the PCB, so verify that the server chassis allows full-height DIMM installation.
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