Tripp Lite - SU6000RT4U - Tripp Lite UPS Smart Online 6000VA 4200W Rackmount 6kVA 208/240/120V USB DB9 Manual Bypass Hot Swap 4U - 6000VA/4200W - 8 Minute Full Load - 8 x NEMA 5-15/20R, 2 x NEMA L6-30R, 2 x NEMA L6-20R