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
Four-module kit adds 256 GB of DDR5 4800 ECC registered memory to Dell PowerEdge XE9640 servers
This 256GB kit contains four 64GB DDR5 4800 registered DIMMs with ECC and a CL40 latency. It is built for the Dell PowerEdge XE9640 server and operates at 1.1V using 2Rx4 organization. The modules use major OEM DRAM from Samsung, Micron or Hynix.
Confirm that your Dell PowerEdge XE9640 supports 256GB of DDR5 4800 registered ECC memory in a four-DIMM configuration. Check the system manual for approved population sequences, maximum capacity per channel and any BIOS version requirements before installing this kit.
The package supplies four identical 64GB modules tested together for stability under load. This matched quad-channel kit simplifies installation and helps maintain signal integrity across all populated slots. The supplier backs the modules with a lifetime replacement guarantee.
| Brand | NEMIX RAM |
|---|---|
| Series | Dell Server/Workstation Compatible Series Memory |
| Model | Dell DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-924K4 |
| Capacity | 256GB (4 x 64GB) |
| Speed | DDR5 4800 (PC5 38400) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | Dell |
| CAS Latency | CL40 |
| Heat Spreader | No |
| Type | 288-Pin DDR5 RDIMM |
| Rank | 2Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 256GB (4X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
The package contains four 64 GB RDIMMs giving 256 GB total; no additional modules are required.
This 4×64 GB CL40 kit matches the XE9640’s validated configuration; select it when you need the full 256 GB capacity.
The memory runs at 4800 MT/s with CAS latency 40 at 1.10 V, providing registered ECC stability for the server workload.
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