A-Tech 128GB DDR4 2400MHz ECC LRDIMM Server Memory

128GB DDR4 2400 ECC LRDIMM

This single 128GB module uses DDR4 2400 (PC4-19200) technology with CL17 latency and 1.20V operation. It is built as a Load Reduced DIMM with 2S4Rx4 (8Rx4) 3DS/TSV organisation for server and workstation platforms that require registered ECC memory. Buyers whose systems only accept unbuffered UDIMMs or lower-density RDIMMs cannot use this module.

Thermals noise and power draw

Operating at the standard DDR4 voltage of 1.20V keeps power draw modest for a 128GB LRDIMM in typical server workloads. The load-reduced buffer reduces electrical loading on the memory bus, which helps the platform's cooling solution maintain stable temperatures without excessive fan speed. No active cooling is present on the module itself, so airflow across the DIMM slots remains the only thermal path.

Sustained load behaviour

Under continuous heavy utilisation the 2S4Rx4 3DS/TSV layout distributes access across eight logical ranks, allowing the memory controller to keep all banks busy without excessive row conflicts. ECC correction handles single-bit errors transparently, preventing data corruption during long-running compute or virtualisation tasks. Systems that cannot address 8Rx4 ranks or lack LRDIMM support in BIOS will not post with this module installed.