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 DDR4-3200 ECC registered RDIMM with 1Rx4 organisation and 1.2 V operation
This 16GB DDR4-3200 registered DIMM targets server administrators expanding HPE platforms. ECC and registered buffering protect data integrity in multi-socket workloads. The 1Rx4 organisation keeps electrical loading low for dense configurations. Major-brand Samsung, SK Hynix or Micron ICs match OEM sourcing.
The module plugs into any standard 288-pin DDR4 RDIMM slot running at 1.20 V. Registered signalling reduces bus load, freeing the memory controller to populate more slots per channel. Identical modules ship together so every channel receives matched timings. Lifetime warranty covers the full service life of the host server.
This part directly substitutes HPE part number P06029-K21 without voiding the factory server warranty. The jump is worthwhile when original spares are discontinued or priced above third-party parity. Buyers needing non-ECC UDIMMs or higher-capacity 2Rx4/2Rx8 ranks should select a different SKU.
| Brand | HPE |
|---|---|
| Capacity | 16GB |
| Type | 288-Pin DDR4 SDRAM |
| Speed | DDR4 3200 (PC4 25600) |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 1Rx4 |
| Chipset | Major Brand Chipset |
The module runs at the standard 1.20 V DDR4 voltage; registered ECC RDIMMs of this type do not have an on-board thermal throttle mechanism, so the platform memory controller manages any temperature limits.
At 1.20 V the stick draws only a few watts and has no moving parts, so it adds no audible noise and negligible heat to a server chassis.
The system must support DDR4 registered ECC memory with 288-pin RDIMM slots and a memory controller that accepts 1Rx4 organisation.
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