iMac 21.5" (Mid 2010): release date, model numbers and price
Apple released the iMac 21.5" (Mid 2010) on 27 July 2010, 16 years ago. Its model number is A1311 (identifier iMac11,1). Apple stopped selling it on 3 May 2011. It gets updates up to macOS 10.13 (High Sierra). No refurbished offer right now; the lowest price we have seen is £50.
Updated 31 October 2026. Release date and launch price from Apple. Refurbished prices checked daily at Apple Store, Amazon, Back Market, MusicMagpie, eBay, and TLX.
- Released
- 27 July 2010 16 years ago
- Discontinued
- 3 May 2011 280 days on sale
- Latest software
- macOS 10.13 (High Sierra)
- Model number
- A1311 Identifier iMac11,1
- Storage
- 500GB, 1TB
- First refurbished
- 29 December 2010 Apple Store, 155 days after launch
Refurbished iMac 21.5" (Mid 2010) prices
Today's cheapest refurbished offer for each configuration, with the lowest price RefurbMe has recorded below it.
Where to buy a refurbished iMac 21.5" (Mid 2010)
Every refurbisher that has sold the iMac 21.5" (Mid 2010), cheapest today first. Listings counts the offers each one has live, one per version and grade, not how many devices it holds.
| Refurbisher | Cheapest today | Offers |
|---|---|---|
 eBay 0 listings | Sold out | Get an alert |
 Back Market 0 listings | Sold out | Get an alert |
 Amazon 0 listings | Sold out | Get an alert |
 Apple Store 0 listings | Sold out | Get an alert |
The iMac 21.5" (Mid 2010) so far
Launched 16 years ago.
First refurbished29 Dec 2010
Apple Store, after 155 days Discontinued3 May 2011
280 days on sale Today31 Oct 2026
No refurbished offer right now.
- Released, 27 Jul 2010
- First refurbished, 29 Dec 2010Apple Store, after 155 days
- Discontinued, 3 May 2011280 days on sale
- Today, 31 Oct 2026No refurbished offer right now.
iMac 21.5" (Mid 2010) questions
When did the iMac 21.5" (Mid 2010) come out?
Apple released the iMac 21.5" (Mid 2010) on 27 July 2010, 16 years ago.
What is the iMac 21.5" (Mid 2010) model number?
Its model number is A1311 (identifier iMac11,1). The model number starts with A. It is printed on the device or its box, and most devices also show it in their settings.
Is the iMac 21.5" (Mid 2010) still supported?
It gets updates up to macOS 10.13 (High Sierra); newer models run later versions.
When was the iMac 21.5" (Mid 2010) discontinued?
Apple stopped selling it on 3 May 2011.
How much is a refurbished iMac 21.5" (Mid 2010)?
There is no refurbished offer right now. The lowest price RefurbMe has seen is £50.
How we get these numbers
Release dates, launch prices and model numbers come from Apple. Every day RefurbMe checks the stock and prices of Apple Store, Amazon, Back Market, MusicMagpie, eBay, and TLX and keeps every price it sees, which is where the lowest price seen comes from. The cheapest price today is the lowest in stock at our last check; it can change between that check and your visit.