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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NEMIX RAM
ECC unbuffered DDR4 kit adds 32 GB across four 8 GB modules at 3200 MHz CL22 for ASRock X570 Taichi boards
This 32GB kit contains four 8GB DDR4 3200 modules built for the ASRock X570 Taichi motherboard. ECC unbuffered operation adds data integrity for workstations and servers. The 1Rx8 organisation and 1.20V voltage match the board's native memory controller. Installation uses the standard 288-pin UDIMM slots.
Running at the rated 3200 speed and CL22 latency the modules draw 1.20V with no heat spreader fitted. Passive cooling relies on chassis airflow across the bare PCB. Power consumption stays within the standard DDR4 unbuffered envelope for this density and frequency.
The kit delivers 32GB total across four identical 8GB sticks, giving full population of the X570 Taichi's four DIMM slots. Buyers who need more than 32GB or who prefer a two-module layout should look elsewhere.
| Brand | NEMIX RAM |
|---|---|
| Series | ASRock Server Motherboard Compatible Series Memory |
| Model | ASRock DDR4 3200MHZ ECC Unbuffered UDIMM |
| Part Number | ME25600-818K4 |
| Capacity | 32GB (4 x 8GB) |
| Speed | DDR4 3200 (PC4 25600) |
| ECC | Yes |
| Buffered/Registered | Unbuffered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.20V |
| Compatible System | ASRock |
| CAS Latency | CL22 |
| Heat Spreader | No |
| Type | 288-Pin DDR4 ECC UDIMM |
| Rank | 1Rx8 |
| Features | DDR4 ECC Unbuffered UDIMM Motherboard Compatible |
| Package Content | 32GB (4X8GB) DDR4 3200MHZ PC4-25600 1Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM KIT |
Align the notch on each 288-pin module with the slot key, press firmly until both retention clips click, then verify in BIOS that all four 8 GB sticks show 32 GB at 3200 MT/s; the step often missed is seating all four modules before powering on.
No scheduled maintenance is required; ECC corrects single-bit errors on the fly, and the modules carry a lifetime replacement warranty, so only a failed stick would ever need swapping.
The CL22 latency at 3200 MT/s sets the throughput ceiling long before the 1.2 V unbuffered DDR4 hits thermal or voltage limits.
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