How about connecting 2 computers with 1Gbps Ethernet and using upto 125MBps? Or if you really need USB3 for achieving the maximum speed possible - I would like

How about connecting 2 computers with 1Gbps Ethernet and using upto 125MBps? Or if you really need USB3 for achieving the maximum speed possible - I would like to find an external 2GB disk with USB3 wiring. If at least one of your PCs is a proper computer (not laptop/mini-PC with almost all of PCI interfaces just stubbed) having at least 1 free SATA slot then just take the disk from one PC and connect it to another.