Razer notebook dock/port replicator Wired Thunderbolt 4 Black Connection Type: Thunderbolt™ 4 Input & Output: 4 x Thunderbolt™ 4 (USB-C) 3 x USB-A 3.2 Gen 2 1 x Gigabit Ethernet SD Card Reader, UHS-II Audio: 3.5mm headphone/microphone combo port Display Output: Up to Two 4K@60Hz or Single 8K@30Hz Compatibility: Windows 10 PCs w/Thunderbolt™4 Port or Thunderbolt™3 Port Mac Systems w/M1 Processors* Mac Systems w/Thunderbolt™3 Port running MacOS 11.1 Big Sur or Later *For M1 MacBooks only one video output is supported Laptop Power Delivery: Up to 90 Watts via USB-C Thunderbolt™ 4 Cable Length: 0.8 m / 2.62 ft Adaptor: 135W Power adaptor Finish: Black aluminum Razer Chroma™ Support: Razer Chroma™ Underglow Dimensions: 7.48" x 2.93" x 1.06" 190 mm x 74.5 mm x 27 mm Weight: 338 g / 0.75 lbs