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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A-Tech
8GB DDR4 2133MHz ECC UDIMM module with Samsung chips, CL15 timing and 1.2V operation for Supermicro servers
This A-Tech module is an 8GB DDR4 2133MHz ECC unbuffered UDIMM built with Samsung chips and validated for Supermicro systems. It suits administrators upgrading or repairing Supermicro servers and workstations that require registered ECC memory at standard voltage. Buyers who need registered DIMMs, higher capacities per slot, or speeds beyond 2133MHz cannot use this module.
The Samsung M391A1G43DB0-CPB chipset provides the 2Rx8 dual-rank organisation at CL15 latency and 1.20V operation. Supermicro certification means the module has passed the vendor qualification suite for the listed part number MEM-DR480L-SL01-EU21. No extra software, heat spreaders, or accessories are included; the change is purely the qualified memory itself.
Installation follows the standard 288-pin UDIMM procedure: align the key notch, press until the latches click, and verify detection in BIOS. The most common issue is purchasing unbuffered ECC for a platform that requires registered ECC, or mixing ranks in a way the motherboard firmware does not support. Always confirm the exact supported memory list for your Supermicro model before ordering.
| Brand | SuperMicro |
|---|---|
| Series | Supermicro Certified |
| Model | MEM-DR480L-SL01-EU21 |
| Capacity | 8GB |
| Speed | DDR4 2133 (PC4 17000) |
| CAS Latency | CL15 |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Unbuffered |
| Rank | 2Rx8 |
| Chipset | Samsung Chipset |
| Features | Supermicro Certified MEM-DR480L-SL01-EU21 (M391A1G43DB0-CPB) |
The Samsung M391A1G43DB0-CPB chips are tested for dependable long-term operation and the module carries a lifetime warranty from A-Tech.
At standard 1.2 V the module operates within JEDEC DDR4 limits; the first bound reached is the rated 2133 MT/s data rate.
Running at 1.20 V and CL15, the 8 GB dual-rank stick draws only standard DDR4 power and stays cool under typical server airflow.
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