NEMIX RAM 256GB (2x128GB) DDR5 6400 CL52 1.1V ECC RDIMM 2Rx4 Supermicro H14SSL-NT memory upgrade

Supermicro H14SSL-NT DDR5 upgrade

This 256 GB kit is built specifically for the Supermicro H14SSL-NT motherboard. It delivers two 128 GB DDR5 6400 registered ECC RDIMMs that the board recognises at full capacity and rated speed without manual tuning. System administrators deploying memory-intensive workloads on this platform receive a drop-in upgrade that matches the controller's exact rank, voltage and timing requirements. Builders using other motherboards or consumer platforms cannot use these modules.

Registered ECC architecture and 2Rx4 layout

Registered buffering offloads the memory controller so every slot runs fully populated at the specified 6400 MT/s data rate. On-die ECC detects and corrects single-bit errors in flight, preventing silent data corruption and unplanned reboots in production environments. The 2Rx4 organisation and 1.1 V operating point are the precise specifications the H14SSL-NT memory controller expects for stable operation. Systems that require unbuffered UDIMMs or non-ECC memory will not accept this kit.

256 GB capacity for dense virtualisation

Two 128 GB modules provide 256 GB of addressable memory, supporting large virtual-machine fleets, in-memory databases and high-thread-count compute jobs on a single board. The kit fills two DIMM slots at the maximum qualified density for this platform, leaving no headroom for further expansion within the same channel population rules. Workloads that exceed 256 GB or require additional DIMM slots must move to a motherboard with greater supported capacity.