Power Supply for Dell Optiplex HYV3H 3020 7020 9020 290W 8-Pin MT Only

Replacement Power Supply for Dell Upgrade your 290W Power Supply with this 420W Power Supply Comes with 8-pin Motherboard Connector Reduced Depth for Increased Compatibility; 5.9" Height x 3.4" Width x 4" Depth Over Current and Over Power Protection; Over Voltage and Short Circuit Protection 110-260V AC Switchable Power Supply Compatible M/N: L290AM-00, L290EM-01, H290AM-00, H290EM-00, AC290AM-00, D290EM-00, D290A001L, PS-3291-1DB, PS-3291-1DF (Note: Optiplex Desktop have 4 kinds of systems: USFF/SFF/DT/MT. This item is compatible with MT systems only)