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
Registered ECC server memory module delivering 64 GB at DDR4-2933 with 2Rx4 organisation
This 64GB DDR4-2933 registered ECC module is built for servers that require high-density, error-correcting memory. It operates at 1.20V using a 2Rx4 organisation across 288 pins. The design targets IT teams maintaining HPE platforms where validated compatibility and data integrity are mandatory.
Replacing smaller DDR4 DIMMs with this 64GB stick reduces the number of occupied slots while raising total system memory. The jump is worth it when workloads exceed the capacity of existing modules and the platform supports registered ECC at this speed. It is not for systems limited to unbuffered memory or lower maximum densities.
Major-brand DRAM chips and full validation keep error rates low during continuous operation. Registered signalling helps the memory controller maintain stability when all channels are populated and the server runs at full utilisation for extended periods. The module delivers consistent throughput without the throttling seen in unvalidated alternatives.
| Brand | HPE |
|---|---|
| Capacity | 64GB |
| Type | 288-Pin DDR4 SDRAM |
| Speed | DDR4 2933 (PC4 23400) |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 2Rx4 |
| Chipset | Major Brand Chipset |
The stick uses the 288-pin DDR4 form factor and runs at 1.2 V, matching standard registered DDR4 slots in HPE servers that accept PC4-23400 memory.
Follow the server's population guide — typically fill the farthest slot from the CPU first, press straight down until both ejectors click, and never mix 2Rx4 ranks with different rank counts in the same channel.
ECC registered DDR4 modules generally run for the server's service life; replace only if the system logs correctable errors that exceed the platform threshold or a DIMM fails POST.
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