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
Dell-compatible 32 GB DDR4-3200 registered ECC server memory with 2Rx4 organisation and 1.2 V operation
This 32 GB DDR4-3200 registered ECC DIMM is built for Dell servers that require PC4-25600 memory with 2Rx4 organisation. It suits administrators expanding capacity in supported PowerEdge or Precision platforms where error-correcting registered memory is mandatory. The module operates at 1.2 V and uses major-brand DRAM chips from Samsung, SK Hynix or Micron.
The 288-pin DDR4 form factor fits standard server DIMM slots, but the registered buffer and ECC function mean the system BIOS must support registered memory; consumer desktop boards will not recognise the module. Mixing ranks or voltages can prevent the server from posting, so populate identical modules in matched channels. Static discharge during handling is the most frequent cause of apparent dead-on-arrival reports.
Confirm the target server lists Dell part number AA799087 or an equivalent 32 GB PC4-25600 2Rx4 registered ECC specification in its qualified-vendor list. Verify the maximum supported capacity per slot and the total number of populated channels allowed by the processor generation installed. Ensure the firmware revision meets the vendor’s minimum for 3200 MT/s registered DIMMs.
| Brand | Dell |
|---|---|
| Capacity | 32GB |
| Type | 288-Pin DDR4 SDRAM |
| Speed | DDR4 3200 (PC4 25600) |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 2Rx4 |
| Chipset | Major Brand Chipset |
Check the BIOS or UEFI memory information screen — it should report 3200 MT/s, 1.20 V, registered ECC, and 2Rx4 organisation for the installed module.
The box contains the single 32GB 288-pin DDR4 RDIMM; any additional DIMMs, CPU coolers or server rails are not supplied.
Select the 32GB 2Rx4 registered ECC version — it matches the Dell AA799087 specification exactly.
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