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
Six 128 GB DDR4 3200 MHz CL22 4Rx4 ECC RDIMM modules at 1.2 V totalling 768 GB for THINKMATE rackmount servers
This NEMIX RAM kit provides 768GB of DDR4 3200MHz registered ECC memory in six 128GB modules. It is built for THINKMATE rackmount servers that require high-capacity, error-correcting registered DIMMs. The modules run at 1.2V with CL22 latency and use 4Rx4 organisation. They are designed for enterprise workloads where data integrity and maximum density per slot are priorities.
This kit targets the THINKMATE RAX-XS4-21S1-10G, RAX-XS4-11S1-10G and RAX-XH2-11S3 platforms listed in the compatibility data. It is not for consumer desktops, laptops or workstations that accept only unbuffered non-ECC UDIMMs. It is also not for systems limited to lower per-slot capacities or those that cannot address 4Rx4 registered modules. Buyers needing non-ECC memory or standard UDIMM form factors should look elsewhere.
The six 128GB RDIMMs deliver 768GB total capacity, allowing large in-memory databases, virtualisation clusters and high-throughput analytics to run without swapping. Each module operates at DDR4 3200 (PC4-25600) with ECC protection active. Headroom ends when the server's memory controller reaches its maximum supported density per channel or total system limit; beyond that point additional modules cannot be addressed.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR4 3200MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR25600-744K6 |
| Capacity | 768GB (6 x 128GB) |
| Speed | DDR4 3200 (PC4 25600) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.20V |
| Compatible System | THINKMATE |
| CAS Latency | CL22 |
| Heat Spreader | No |
| Type | 288-Pin DDR4 RDIMM |
| Rank | 4Rx4 |
| Features | DDR4 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 768GB (6X128GB) DDR4 3200MHZ PC4-25600 4Rx4 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory KIT |
The kit is validated for Thinkmate RAX-XS4-21S1-10G, RAX-XS4-11S1-10G and RAX-XH2-11S3 rackmount servers.
Mixing different rank configurations is not recommended; the server's memory controller expects identical 4Rx4 modules across all populated channels for stable operation.
Check the BIOS memory information screen or run a tool such as dmidecode — each of the six slots should show 128GB, 3200 MT/s, registered ECC, 1.20 V and CAS 22.
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