Genuine Original Acer Predator 27" XB273U Monitor Upstream Downstream USB Board | eBay
Tripp Lite 7-Port USB 2.0 Hi-Speed Hub Compact Desktop Mobile Tower - 7 x 4-pin Type A Female USB 2.0 USB Downstream, 1 x 4-pin Type B Female USB 2.0 USB Upstream - External" - R&A Office Supplies
MPT USB-CBBH 4-Ports Flexible Self Powered Mini USB 2.0 Hub – 4 x 4-pin Type A USB 2.0 USB Downstream, 1 x 4-pin Type A USB 2.0 USB Upstream – External – Wulus
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