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
16 GB DDR5 4800 CL40 1.1 V 288-pin UDIMM for Kingston-compatible desktop upgrades
This 16GB DDR5 module runs at 4800MHz with CL40 latency and 1.10V operation. It uses a 288-pin unbuffered non-ECC design built for desktop motherboards that accept Kingston KVR48U40BS8-16 memory. The single-rank 1Rx8 configuration fits standard DDR5 slots. Builders upgrading compatible Kingston platforms can install it directly.
The stick uses Samsung, Micron or Hynix components without a heat spreader, keeping the profile low for tight slots. As an unbuffered non-ECC UDIMM it plugs straight into consumer desktop boards that support DDR5 4800. No registration or error correction circuitry means simpler signal paths for standard workloads. The 1.10V voltage matches the DDR5 baseline.
The critical spec is CAS latency 40 at 4800MT/s, which determines whether your motherboard and CPU memory controller will run the module at its rated speed without manual tuning. Systems requiring lower latency or higher data rates will not reach their targets with this part. Buyers needing ECC, registered buffering or speeds above 4800MT/s should look elsewhere.
| Brand | NEMIX RAM |
|---|---|
| Series | Kingston Desktop PC Compatible Series Memory |
| Model | Kingston DDR5 4800MHZ ECC Unbuffered UDIMM |
| Part Number | MD38400-618K1 |
| Capacity | 16GB |
| Speed | DDR5 4800 (PC5 38400) |
| ECC | No |
| Buffered/Registered | Unbuffered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | Kingston |
| CAS Latency | CL40 |
| Heat Spreader | No |
| Type | 288-PIN DDR5 UDIMM |
| Rank | 1Rx8 |
| Features | DDR5 Non-ECC Unbuffered UDIMM Motherboard Compatible |
| Package Content | 16GB (1X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN Non-ECC Unbuffered UDIMM |
The module runs at 4800 MT/s with a PC5-38400 bandwidth ceiling; the memory controller will not exceed this data rate.
It fits a standard desktop DDR5 DIMM socket with the 288-pin keying; the notch position matches the DDR5 specification.
Align the notch, press firmly until both side clips click shut, then verify the module is fully seated by checking the clips are vertical.
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