Items for sale: 3 items (screenshots of operating status added) These are popular items from the era when Macs had USB 2.0 ports and were transitioning to USB 3.0. This setup utilizes the Thunderbolt 2 port on a USB 2.0-equipped Mac to add USB 3.0 and eSATA ports, allowing you to use an eSATA-connected SSD as a boot disk. 1. SONNET USB 3.0 + eSATA Thunderbolt Adapter TB-USB3SATA 2. AINEX SATA to eSATA conversion cable AK-CBSA03-80BK 3. Apple USB Power Adapter 5.1V, 2.1A A1357 Each item's function (please connect as shown in the photos): 1. Connects to the Thunderbolt 2 port on Macs from the USB 2.0 era, adding USB 3.0 and eSATA ports. This allows you to select two boot disks (assuming power is constantly supplied to the USB power port of item 2). [https://www.sonnettech.com/support/downloads/manuals/usb3_esata_tb_adptr_qsg-j.pdf](https://www.sonnettech.com/support/downloads/manuals/usb3_esata_tb_adptr_qsg-j.pdf) 2. AINEX SATA to eSATA conversion cable AK-CBSA03-80BK This cable connects to the eSATA port added by item 1, allowing you to connect an SSD and add it as a boot disk. Connect the SSD to the eSATA port added by item 1, and connect item 3 to the branched USB port for power supply. This adds an SSD port without disassembling the Mac, and dramatically improves speed by designating the SSD connected to item 1 as the boot disk. 3. Apple power adapter 5.1V, 2.1A A1357 is included (the printing is faded, but there are no functional issues). No box or other manuals are included. Items in the photos used to hold the items in place are not included in the sale.