Replace Power 220W Flex-ATX power supply for HP Slimline s5-1400t

Purpose-built Flex-ATX replacement

This 220 W Flex-ATX unit is designed to restore power to HP Slimline s5-1400t and compatible desktops. It uses the proprietary Bestec FH-ZD221MGR form factor and matches the original HP 633195-001 part number. The grey enclosure houses a 24-pin motherboard connector, a 4-pin auxiliary connector and two Sata power leads. It accepts 115 / 230 V input for worldwide mains compatibility.

Suitability and limits

This supply suits owners of the listed Slimline models who need a direct swap for a failed or noisy original unit. Builders requiring higher wattage for discrete graphics cards or additional drive bays should look elsewhere. The proprietary shape and connector layout prevent installation in standard ATX cases or motherboards. Systems demanding more than 220 W continuous draw will exceed this unit's rated capacity.

Sustained-load behaviour

Under continuous load the 220 W rating represents the maximum combined output across all rails rather than a peak figure. The fixed cable set means airflow cannot be improved by removing unused leads inside the compact chassis. Thermal performance will follow the original Slimline cooling path, so dust accumulation in the narrow vent area can raise internal temperatures over long sessions.