Refurbished: Apple iMac Mid 2011 21.5" A1311 Sierra i5 2.5GHz 8GB DDR3 500GB ATI 6750 - Newegg.com
USB 3.0 for iMac mid 2011 | MacRumors Forums
SSD upgrade for iMac mid 2011
USB 3.0 for iMac mid 2011 | MacRumors Forums
USB 3 + Wifi ac + BT4.2 for iMac 27" mid 2010 | MacRumors Forums
USB 3.0 for iMac mid 2011 | MacRumors Forums
4-Port USB 3.0 Hub For iMac - Sabrent
Hagibis iMac Hub with 4K@60Hz HDMI, USB C 3.1, USB 3.0 Ports and SD/Micro SD Card Reader, USB-C Clamp Hub USB C Docking Station for 2021 iMac 24 inch (with HDMI) : Electronics
Amazon.com: SABRENT Premium 3 Port Aluminum USB 3.0 Hub with Multi-in-1 Card Reader (12" Cable) for iMac, All MacBooks, Mac Mini, or Any PC (HB-MACR) : Everything Else
Take a tour: 21.5-inch iMac and 27-inch iMac - Apple Support
iMac Intel 21.5" and 27" (Mid 2011) SSD Upgrade Bundle - iFixit Store
Rybozen 3.0 Multi-Card Reader, 6-in-1 USB 3.0 Hub with 3 High-Speed Ports,
Upgrading my old iMac 2011 | Miss Misfit
OWC Hard Drive Upgrade Kit for Apple iMac 2011
4-Port USB 3.0 Hub For iMac - Sabrent
Adding USB3.0 to late 2009 iMac (11,1) | MacRumors Forums
Memory Upgrades for Apple iMac 2011 Up to 32GB
How to add a iMac USB Port in the front! Aukey HUB & Adapter REVIEW - YouTube
SABRENT Premium 4 Port Aluminum USB 3.0 Hub (30" Cable) for iMac, MacBook, MacBook Pro, MacBook Air, Mac Mini, or Any PC [Silver] (HB-MAC3) : Everything Else