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 DDR4-2666 ECC registered RDIMM with CL15 latency and 1.2 V operation for Dell 370-ADOR compatible servers
This 16GB registered DDR4 module runs at 2666MHz with CL15 latency and 1.20V operation. It uses a 2Rx8 organisation and 288-pin form factor for Dell servers requiring ECC registered memory. The part matches Dell part number 370-ADOR and is built with major-brand DRAM chips. Buyers needing non-ECC or unbuffered DIMMs should look elsewhere.
Operating at the standard 1.20V for DDR4, the module draws typical registered DIMM power without extra cooling requirements. Registered buffering adds negligible latency while maintaining signal integrity across full server banks. No acoustic characteristics apply to passive memory components. Systems limited to lower-voltage DDR4 specifications cannot use this module.
Third-party validation confirms 100% Dell compatibility and OEM-spec equivalence, preserving existing service contracts when installed. Major-brand chipsets from Samsung, SK Hynix or Micron match the components Dell uses in its own branded modules. A lifetime warranty covers the module for the duration of ownership. Buyers requiring vendor-locked firmware or proprietary thermal sensors will not find them here.
| Brand | Dell |
|---|---|
| Capacity | 16GB |
| Type | 288-Pin DDR4 SDRAM |
| Speed | DDR4 2666 (PC4 21300) |
| CAS Latency | CL15 |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 2Rx8 |
| Chipset | Major Brand Chipset |
Align the notch on the 288-pin module with the slot key, press firmly until both retention clips click, and verify the system registers the full 16GB at DDR4-2666 in BIOS — the step often missed is enabling the correct memory profile so it runs at the rated CL15 1.20V timing.
No routine maintenance is required; ECC corrects single-bit errors on the fly, but if the module ever fails the system will log uncorrectable errors and the stick must be replaced — the lifetime warranty covers that replacement.
The thermal and electrical envelope of the 1.20V DDR4-2666 specification is the first limit; sustained heavy use stays within the JEDEC CL15 rating, and the registered buffer keeps signal integrity stable at the rated speed.
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