Brand new docking station for MacBook pro MacBook Air [15 PORTS OF CONNECTIVITY]: 2x Thunderbolt 3 40Gb/s, DisplayPort 1.2, 5x USB-A & 1 USB-C 3.1 Gen 1 (5Gb/s), 1x USB-C 3.1 Gen2 (10Gb/s data only), Gigabit Ethernet, UHS-II SD Card Slot (SD 4.0), Optical Audio (S/PDIF), 3.5mm Stereo Audio In & Out. Vertical or horizontal orientation. Sturdy full aluminum construction with integrated heat sink without a fan. [IMPROVED from 85W to 87W LAPTOP CHARGING]: Provides up to 87W to charge your laptop and power all of your USB peripherals. The secondary Thunderbolt 3 port provides 15W of power for downstream devices. Please note: Firmware update required for 87W [DUAL 4K EXTENDED DISPLAYS]: Connect up to two 4K@60Hz (4096 x 2160 30-bit color) monitors via DisplayPort and Thunderbolt 3 / USB-C port, OR a Single 5K@60Hz display can be supported via the Thunderbolt 3 port. **M1 Macs cannot support dual display over Thunderbolt! (***DisplayPort to HDMI/DVI/VGA adapter / cable must be an ACTIVE type. Passive dongle/cable wil not work.***) [UHS-II SD 4.0 CARD SLOT]: Latest UHS-II SD card slot supports SD/SDHC/SDXC at up to 312 MB/s bus speed. Transfer full days of footage from your camera 3x faster than UHS-I counterpart! [MAC & WINDOWS COMPATIBLE]: Ideal for M1 and M2 Macs, 2016+ MacBook Pro, 2017+ iMac Pro, on Mac OS 10.12 or Windows 8/10 with a Thunderbolt 3 or Thunderbolt 4 port.