Adding USB3.0 to late 2009 iMac (11,1) | MacRumors Forums
Rybozen 3.0 Multi-Card Reader, 6-in-1 USB 3.0 Hub with 3 High-Speed Ports,
USB 3.0 for iMac mid 2011 | MacRumors Forums
iMac 27-inch (Mid-2011) Core i7 3.4GHz - HDD 1 TB - 16GB | Back Market
USB 3.0 for iMac mid 2011 | MacRumors Forums
iMac Intel 21.5" and 27" (Mid 2011) SSD Upgrade Bundle - iFixit Store
4-Port USB 3.0 Hub For iMac - Sabrent
Memory Upgrades for Apple iMac 2011 Up to 32GB
iMac (21.5-inch, Mid 2011) - Technical Specifications
USB 3.0 for iMac mid 2011 | MacRumors Forums
Timetec 32GB KIT(4x8GB) Compatible for Apple DDR3L 1600MHz PC3L-12800 CL11 for iMac (Mid 2011, Late 2012, Late 2013, Late 2014 Retina 5K, Mid 2015 Retina 5K) SODIMM Memory Module MAC RAM Upgrade at Amazon.com
Sticking with USB 3.0, Hewlett-Packard torpedoes "fancy" Thunderbolt - 9to5Mac
4-Port USB 3.0 Hub For iMac - Sabrent
1 TB SSD - iFixit Store
SSD upgrade for iMac mid 2011
Apple iMac 21.5-Inch "Core i5" 3.0 (4K, Mid-2017) 8GB RAM 1TB HDD – Coretek Computers
4-Port USB 3.0 Hub For iMac - Sabrent
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
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
