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
A 128GB kit of four 32GB DDR4 2666MHz ECC unbuffered DIMMs with CAS latency 19 at 1.2V
This 128GB kit contains four 32GB DDR4 2666MHz modules built for servers and workstations that require ECC error correction. The unbuffered design suits platforms that accept standard UDIMM population without registered buffering. Each module operates at 1.2V with a CAS latency of 19.
Gold-contact 288-pin UDIMMs install directly into compatible DDR4 slots without extra registration circuitry. The 2Rx8 organisation and major-brand Samsung, Micron or Hynix chips provide stable signal integrity at the rated PC4-21300 speed. Standard height allows use in dense multi-DIMM configurations where clearance is tight.
Replaces smaller DDR4 kits or non-ECC memory when data integrity and 128GB total capacity are required. The jump is worth it for virtualization hosts, database nodes or ZFS storage servers that need maximum supported density per channel and single-bit error correction. Not for platforms limited to registered DIMMs or speeds above 2666MHz.
| Brand | NEMIX RAM |
|---|---|
| Model | Part#: ME21300-328K4-SM-SYS-5019C-M |
| Part Number | Part#: ME21300-328K4-SM-SYS-5019C-M |
| Capacity | 128GB (4 x 32GB) |
| Speed | DDR4 2666 (PC4 21300) |
| CAS Latency | 19 |
| Voltage | 1.2V |
| ECC | Yes |
| Buffered/Registered | Unbuffered |
| Rank | 2Rx8 |
| Chipset | Major OEM Samsung, Micron, Hynix |
The kit runs at 2666 MT/s with a PC4-21300 bandwidth rating and CAS latency 19.
Each 32 GB module uses the standard 288-pin DDR4 UDIMM form factor and requires a slot that accepts unbuffered ECC memory.
Populate all four slots in the order your motherboard manual specifies for quad-channel operation; the common mistake is mixing slot sequence.
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