4-Port USB 3.0 Hub For iMac - Sabrent
iHouse - Apple Authorized Reseller | Rocketek USB 3.0 Aluminum 4 port hub for iMac 2012-2017
Amazon.com: Sabrent Multi-Port iMac Hub + USB 3.0 and USB Type-C OTG Card Reader : Electronics
Sabrent Premium 4-Port USB 3.0 Hub for iMac (2012 and later)
Amazon.com: SABRENT 4-Port USB 3.0 Hub for iMac Slim Uni-Body (HB-IMCU) : Electronics
iHouse - Apple Authorized Reseller | Rocketek USB 3.0 Aluminum 4 port hub for iMac 2012-2017
Review: 21.5-inch 2012 iMac takes two steps forward, one step back | Ars Technica
Adding USB3.0 to late 2009 iMac (11,1) | MacRumors Forums
Amazon.com: OWC 1.0TB SSD Upgrade Bundle for 2012-2017 iMacs, 1.0TB Extreme Pro 6G SSD, Express 2.5" USB 3.0 HDD Enclosure, Installation Tools and iMac Screen Adhesive Tape Set : Electronics
Mac accessories Archives - Connecting Point
Best USB 3/USB-C Hubs for Aluminum iMac Tapered Edge: EveryMac.com
increasing USB ports on iMac late 2012? | MacRumors Forums
Review: 21.5-inch 2012 iMac takes two steps forward, one step back | Ars Technica
Sabrent Premium 4-Port USB 3.0 Hub for iMac (2012 and later)
Amazon.com: SABRENT 4-Port USB 3.0 Hub for iMac Slim Uni-Body (HB-IMCU) : Electronics
Satechi USB-C iMac 2017 Clamp Hub Pro Multi-Port Adapter - Silver
USB-C Clamp Hub for 24-inch iMac
AliExpress
Aluminum alloy usb 3.0 hub 3 port adapter splitter with SD/TF Card Reader for iMac 21.5 27 PRO Slim Unibody computer
Sabrent Premium 4-Port USB 3.0 Hub for iMac (2012 and later)
iMac (27-inch, Late 2012) - Technical Specifications
Wizplat iHUB WIZ-UC70IMAC for New iMac 7-in-1 USB-C Clamp Hub USB-C USB3.0 HDMI 302706896209 | eBay
