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
768 GB of DDR4 ECC registered server memory in a twelve-module kit running at 3200 MHz with CL22 latency
This 768GB kit contains twelve 64GB DDR4 3200 registered ECC modules built for the THINKMATE SBGrid-CryoEM workstation. It targets IT teams and researchers who need maximum registered memory capacity in a validated configuration. The 4Rx4 organisation and CL22 latency suit workloads that prioritise capacity and error correction over low-latency gaming metrics.
The kit fills twelve 288-pin DDR4 RDIMM slots with registered modules that present a controlled electrical load to the server memory controller. Registered buffering allows the workstation to address the full 768GB without signal-integrity issues that unbuffered DIMMs would create at this density. No heat spreaders are fitted, so airflow across the PCB must be provided by the system chassis.
At 1.20V the modules run within standard DDR4 voltage limits during continuous compute sessions such as cryo-EM reconstruction or large-scale simulation. ECC circuitry corrects single-bit errors on the fly, preventing silent data corruption during multi-hour runs. CL22 timing remains stable across the full population because the registered interface isolates each rank from bus loading effects.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR4 3200MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR25600-944K12 |
| Capacity | 768GB (12 x 64GB) |
| 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 (12X64GB) DDR4 3200MHZ PC4-25600 4Rx4 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory KIT |
The memory controller reaches its maximum supported rank count before bandwidth or thermal limits become a factor.
Each 64 GB module runs at 1.2 V without a heat spreader, so total kit power stays within standard DDR4 RDIMM limits and airflow from server fans is sufficient.
The board must provide registered DDR4 slots with ECC support and a memory controller qualified for 4Rx4 organisation.
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