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 1 TB DDR4 3200 ECC registered server memory kit containing sixteen 64 GB modules with CL22 latency and 1.2 V operation for the Tyan TS75A-B8252
This 1 TB kit contains sixteen 64 GB DDR4 3200 registered ECC RDIMMs built for the Tyan Transport HX TS75A-B8252. Each module runs at PC4-25600 with a CL22 latency and 4Rx4 organisation. The registered design adds a buffer that helps signal integrity on heavily populated server boards. It targets administrators who need maximum capacity in every slot.
The kit operates at the standard DDR4 server voltage of 1.20 V, keeping power draw predictable even with all sixteen DIMMs installed. No heat spreaders are fitted, so airflow through the chassis determines module temperature. Registered buffering reduces electrical load on the memory controller, which helps stability in dense configurations.
Error-correcting code detects and corrects single-bit errors during continuous workloads such as virtualisation, databases or scientific compute. Registered signalling maintains clean timing when every slot is populated for long periods. The modules are stress tested under load before shipping to verify reliability in mission-critical environments.
| Brand | NEMIX RAM |
|---|---|
| Series | Tyan Server/Workstation Motherboard Compatible Series Memory |
| Model | Tyan DDR4 3200MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR25600-944K16 |
| Capacity | 1TB (16 x 64GB) |
| Speed | DDR4 3200 (PC4 25600) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.20V |
| Compatible System | Tyan |
| CAS Latency | CL22 |
| Heat Spreader | No |
| Type | 288-Pin DDR4 RDIMM |
| Rank | 4Rx4 |
| Features | DDR4 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 1TB (16X64GB) DDR4 3200MHZ PC4-25600 4Rx4 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory KIT |
Power down, open the chassis, align each 288-pin module with the keyed slot and press firmly until both latches click; the step often missed is populating all 16 slots in the exact channel order shown in the Tyan manual so the 4Rx4 ranks initialise correctly.
The modules have no heat spreaders and run at 1.20V, so only periodic dust removal from the DIMM slots is required; ECC corrects single-bit errors, but if a module fails the lifetime replacement warranty covers a direct swap of the faulty 64GB stick.
The CAS latency of 22 cycles at DDR4 3200 sets the timing ceiling; with sixteen 4Rx4 ranks the memory controller hits rank-density limits before thermal throttling becomes an issue at the standard 1.2V operating voltage.
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