Silverstone Tek 300W + 300W 1U Narrow 1+1 Redundant Configuration 80+ Bronze PFC ATX 300 Power Supply ST30GF Hot swappable design Convenient pull-out handle bars Dual 40mm DC cooling fans 1U redundant power supply with 106mm (W) x 41.5mm (H) x 270mm (D) 300W + 300W 24hour fully continuous power output 1+1 redundant configuration Active PFC (full range) Serial ATA support