Part Number: 40B90000WW Color Eclipse Black Max Number of External Monitors 2 Weight 137 g (0.3 lb) Refresh Rate 2 x 3840 x 2160 @60Hz AC Plug Type-C Warranty Type CRU Output Power 65W Brand Lenovo OS Requirements Win 10, Win 11 Packed Weight 180 g (0.4 lbs) Agency Approvals FCC/ICES, CE, KCC, RCM, BSMI, VCCI, CB, cULus, EAC, TUV- Mark, LoA, Ukraine DoC, NOM Audio Ports No Charging Port DC-IN USB Ports 1 x USB-A 10 Gbps, 2 x USB-C 10 Gbps (1 x AOU 12W Max) Video Ports 1 x HDMI 2.1, 1 x DP 1.4 Ethernet 1x Gigabit Ethernet Package Type Brown Box Packed Dimensions (L x D x H) 148 mm x 78 mm x 28 mm / 5.83" x 3.07" x 1.1" Height 20 mm (0.79 in) Length 120 mm (4.72 in) Depth 55 mm (2.17 in) Warranty Period 3 Years Maximum Operating Temperature 40 ? (104 ?) Minimum Operating Temperature 0 ? (32 ?) Maximum Relative Humidity (%) 95% (no Condensation) Minimum Relative Humidity (%) 20% Driver Needed No Input Power 100W Physical Security Feature No Power Button No Power Delivery Yes