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Amazon.com: USB Hub, USB Splitter, 4 Port USB 2.0 Adapter, Multiple USB Port Extender Expander for Laptop, iMac, Mac Mini/Pro, MacBook, Surface Pro, Computer, More (Add 4 USB Ports) : Electronics
parts-quick 6GB Kit (4GB + 2GB) Memory for iMac 2008 Apple MacBook 2009 PC2-6400 800MHz DDR2 SODIMM at Amazon.com
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Amazon.com: USB 3.0 to Ethernet Adapter, uni [High-Speed Gigabit] Network Hub, 4-in-1 Multiport Hub, Aluminum Shell USB-A to RJ45 Port Converter Compatible with iMac, PC, Chromebook Laptops, and More : Electronics
Apple iMac (2008 Edition) review: Apple iMac (2008 Edition) - CNET
Amazon.com: OWC SSD Upgrade Bundle for 2011 iMacs, Mercury Electra 120GB 6G SSD, AdaptaDrive 2.5" to 3.5" Drive Converter Bracket, in-line Digital Thermal Sensor Cable, Installation Tools, (OWCKITIM11HE120) : Electronics
Amazon.com: Apple iMac MK482LL/A 27-Inch Retina 5K Display Desktop (Intel Quad-Core i5 3.3GHz, 8GB RAM, 2TB Fusion Drive, Mac OS X), Silver (Renewed) : Electronics
iMac Early 2008: I finally sold my very first iMac. Is it still useful in 2020? - YouTube
4GB Kit Apple iMac (April 2008) Memory Upgrade 2 x 2GB (MB413G/A) DDR2 PC2-6400 SODIMMs at Amazon.com
Amazon.com: USB to Ethernet Adapter, 4-in-1 Portable Data Hub USB Splitter USB 3.0 Expander with RJ45 Gigabit Ethernet LAN Network Adapter Support Windows 10,8.1,Mac OS, Surface Pro,Linux,Chromebook and More : Electronics
Amazon.com: Original GDDR3 512MB Graphics Video Card GPU Replacement for Apple iMac Early 2008 A1225 Core 2 Duo 3.06 MB398LL/A MB398 24-Inch Desktop PC, nVidia GeForce 8800 GS GT GTS, MXM VGA
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Amazon.com: EDUP LOVE USB 3.0 WiFi Adapter AC1900Mbps 5.8Ghz/2.4Ghz 6dBi Antennas Wireless Network Adapter Wi-Fi Dongle for Laptop Desktop PC Supports Windows 10/7/8/8.1/XP Mac OS X 10.6-10.15.4 : Electronics
Amazon.com: Apple iMac MK442LL/A 21.5-Inch Desktop, Intel 8 GB, 1 TB (Discontinued by Manufacturer) (Renewed) : Electronics
Amazon.com: USB Wifi Adapter for PC, EDUP AC600M USB Wi-fi Dongle 802.11ac Wireless Network Adapter with Dual Band 2.4GHz/5Ghz High Gain Antenna for Desktop Laptop support Windows XP/Vista/7/8.1/10 Mac 10.7-10.15 : Electronics
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Amazon.com: Apple iMac ME088LL/A 27-Inch Desktopx, Intel 1TB Storage 24GB RAM (Renewed), Mac OS X : Electronics
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Amazon.com: Plugable USB 3.0 to HDMI Video Graphics Adapter with Audio for Multiple Monitors up to 2560x1440 Supports Windows 11, 10, 8.1, 7, XP, and Mac : Electronics