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Sebastian Steiner on Twitter: "A DIY 19-inch rack mounted USB hub. Why, you ask? Why not, I say! #TrustMeImAnEngineer https://t.co/LguZu14tA0" / Twitter
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StarTech.com USB to Serial Hub - 8 Port - COM Port Retention - Rack Mount and Daisy Chainable - FTDI USB to RS232 Hub - Convert a USB port into 8 RS232
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StarTech.com 7 Port USB Hub w/ Power Adapter - Metal Industrial USB 3.0 Data Hub - Din Rail, Wall & Desk Mountable USB 3.1 Gen 1 5Gbps Hub - Industrial USB 3.0
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