◆Apple's genuine Thunderbolt 3 (USB-C) cable, 0.5m - Brand: Apple - Model Name: Thunderbolt 3 (USB-C) Cable - Length: 0.5m - Connector: USB-C Used only once and then stored. • Thunderbolt technology uses two independent channels of 10Gb/s each to transfer data at high speeds. • Thunderbolt 2 technology can combine two channels, resulting in an overwhelming data transfer speed of 20Gb/s. • This cable allows you to connect Thunderbolt-compatible devices to your Mac's Thunderbolt or Thunderbolt 2 port. • Using the Apple Thunderbolt cable, you can connect two Mac computers with Thunderbolt in Target Disk Mode, build a network with two Mac computers running OS X Mavericks, or use an iMac as a display for a MacBook Pro or MacBook Air. Please purchase only if you understand that this item has been stored at home and has been inspected by an amateur.