Genuine Dell KTMT8 685-watt modular workstation power supply identified in Dell validation data as an EPA-rated Flextronics unit for Precision T7810-class systems and associated by exact-part records with selected T5810/T7810 configurations. K8CDY, CYP9P, VDY4N, W4DTF, and other 685-watt Dell numbers appear in the same family, but contact layouts and power-distribution-board compatibility can differ and are not assumed interchangeable. Power cord, power-distribution board, cables, mounting hardware, and accessories are not assumed included. This inventory record explicitly identifies the condition as New. Match KTMT8 exactly, service tag, Precision model, complete OEM revision, 685-watt nameplate and every rail, EPA/efficiency marking, module dimensions, latch, gold contacts, connector board, and pinout before ordering.