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StarTech.com
StarTech.com USB to Serial Adapter - 2 Port - COM Port Retention - FTDI - USB to RS232 Adapter Cable - USB to Serial Converter
StarTech.com USB to Serial Adapter - 2 Port - COM Port Retention - FTDI - USB to RS232 Adapter Cable - USB to Serial Converter - Serial for Modem Mfr # ICUSB2322F The ICUSB2322F 2-Port USB to Serial RS232 Adapter Cable with FTDI chipset and...$60.24$75.99 -
StarTech.com
StarTech.com 7 Port Compact USB 3.0 Hub with Built-in Cable - Aluminum USB Hub - Silver
StarTech.com 7 Port Compact USB 3.0 Hub with Built-in Cable - Aluminum USB Hub - Silver - USB - External - 7 USB Port(s) - 7 USB 3.0 Port(s) Mfr # ST73007UA Add seven USB 3.0 (5Gbps) ports to your MacBook, using this silver, Apple style hub...$53.17$70.99