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
32GB DDR4 2666 ECC registered RDIMM with 2Rx8 organisation and 1.2V operation
This 32GB DDR4 module runs at 2666MHz with a 1.20V operating voltage. It uses a 288-pin RDIMM form factor and features 2Rx8 registered ECC architecture. The module is built with major-brand chipsets from Samsung, SK Hynix or Micron. It is supplied new with a lifetime warranty.
This part suits administrators expanding or repairing Dell systems that require 370-ADVE compatible registered ECC memory. Builders of custom workstations or consumer PCs should look elsewhere because the registered buffer and ECC function are not supported on standard desktop platforms. The 2Rx8 organisation also demands a server chipset that can address dual-rank registered DIMMs.
The 2Rx8 registered ECC design is the single specification that determines compatibility. Only motherboards with registered DDR4 memory controllers supporting dual-rank x8 organisation at 2666MHz will accept this module. Attempting installation in unbuffered, non-ECC or consumer DDR4 slots will prevent the system from posting.
| Brand | Dell |
|---|---|
| Capacity | 32GB |
| Type | 288-Pin DDR4 SDRAM |
| Speed | DDR4 2666 (PC4 21300) |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 2Rx8 |
| Chipset | Major Brand Chipset |
The 2Rx8 organisation provides two ranks on each module, which helps populate server memory channels efficiently when multiple DIMMs are installed.
PC4-21300 is the JEDEC designation for DDR4-2666, confirming the module runs at 2666 MT/s with a peak bandwidth of 21300 MB/s per DIMM.
The 288-pin DDR4 interface caps the data rate at 2666 MT/s, so the module cannot exceed this speed even if the platform supports higher DDR4 frequencies.
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