2.1 GHz, 1U Rack-Mount External Controller for PXI—The RMC-8357 is a rugged, 1U rack-mount controller for PXI Express-based systems intended for high-reliability test and measurement applications that require external control. It features an Intel Xeon eight‐core processor and supports up to 32 GB of RAM, offering options for redundant power supplies as well as four front-accessible drive bays for storage expansion and RAID configurations. The RMC-8357 meets the PXI standard mechanical shock and vibration specifications and functions over wide operating ranges.