Apple Imac 21.5
Overview
Product sourcing insights & recommendations
The Apple iMac 21.5-inch has officially reached "Legacy" status in 2026, with market trends indicating a sharp decline in resale value due to the end of macOS Intel support and the lack of Apple Intelligence capabilities. While these units remain a budget option for light educational use, professional demand has shifted entirely to the 24-inch M-series models, which offer up to 80% better single-core performance and significantly improved thermal efficiency. The detailed market report below provides a comprehensive analysis of resale values, technical history, and sourcing recommendations.
Based on the legacy status of the 21.5-inch model, you may want to:
Imac 24 Inch M1
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Full Market Report
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Sources & References
27 sources cited · Verified industry data & reports
iMac (21.5-inch, 2017) - Technical Specifications
Apple Support
Display 21.5-inch (diagonal) LED-backlit display 1920‐by‐1080 resolution. Intel Core i5, Turbo Boost up to 3.6GHz Memory 2.3GHz 8GB of 2133MHz DDR4 memory ...
Identify your iMac model
Apple Support
Use this information to find out which iMac you have, and where it fits in the history of iMac ... Tech Specs for iMac (21.5-inch, Late 2015) · Quick Start Guide ...
All iMac 21.5-Inch Specs (Intel; 2009-2021)
EveryMac
Tech specs for all 21.5-Inch Apple iMac with Intel processors; 2009-2021. Apple sold 21.5-Inch iMac models from 2009 to 2021. RAM 4 GB VRAM 256 MB Storage 500 ...
iMac
Wikipedia
First introduced in 1998, Apple's own processors (silicon) and is 11.5 millimeters (0.45 in) thick. LCD Intel Core Duo or Core 2 Duo 80 GB to 750 GB HDD. ...
iMac (21.5-inch, Late 2015) - Technical Specification
Apple Support
iMac (21.5-inch, Late 2015) - Technical Specification ; Processor · 2.8GHz quad‑core Intel Core i5 (Turbo Boost up to 3.3GHz) ; Storage · 1TB (5400-rpm) hard drive.
Apple 21.5" iMac Desktop Computer (Late 2013)
B&H
21.5" iMac Desktop Computer (Late 2013) Specs ; Processor. 2.7GHz Intel Core i5 Quad-Core (4th generation Haswell) ; Cache. L3: 4MB ; Installed RAM. 8 GB ; Memory.