iMac 21.5" (Mid 2010): release date, model numbers and price

Apple released the iMac 21.5" (Mid 2010) on July 27, 2010, 16 years ago at $1,199. Its model number is A1311 (identifier iMac11,1). Apple stopped selling it on May 3, 2011. It gets updates up to macOS 10.13 (High Sierra). Refurbished, it costs from $159 today, 87% below launch.

Updated October 31, 2026. Release date and launch price from Apple. Refurbished prices checked daily at Mac of All Trades, Amazon, Back Market, Gazelle, Apple Store, and eBay.

Released
July 27, 2010 16 years ago
Launch price
$1,199 For the 500GB model
Discontinued
May 3, 2011 280 days on sale
Latest software
macOS 10.13 (High Sierra)
Model number
A1311 Identifier iMac11,1
Storage
500GB, 1TB, 2TB
First refurbished
December 29, 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.

1 of 3 configurations in stock. Grade and battery vary by offer; the deals page lists every one.

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 Listings Lowest seen First sold refurbished Offers
eBay 2 listings
$159 2 $159 Jul 21, 2026 (5838 days) See offers
Mac of All Trades 0 listings
Sold out 0 $69 Sep 1, 2016 (2229 days) Get an alert
Back Market 0 listings
Sold out 0 $199 Jul 12, 2018 (2907 days) Get an alert
Amazon 0 listings
Sold out 0 $214 Apr 5, 2017 (2445 days) Get an alert
Apple Store 0 listings
Sold out 0 $1,099 Dec 29, 2010 (155 days) Get an alert

The iMac 21.5" (Mid 2010) so far

Launched 16 years ago.

ReleasedJul 27, 2010
$1,199 at launch
First refurbishedDec 29, 2010
Apple Store, after 155 days
DiscontinuedMay 3, 2011
280 days on sale
TodayOct 31, 2026
from $159, 87% below launch
  1. Released, Jul 27, 2010$1,199 at launch
  2. First refurbished, Dec 29, 2010Apple Store, after 155 days
  3. Discontinued, May 3, 2011280 days on sale
  4. Today, Oct 31, 2026from $159, 87% below launch

Every iMac 21.5" (Mid 2010) part number

2 part numbers in the US, one per configuration. You'll find yours on the back of the box and in the device's settings, next to the model number.

Part number Model Version Today Lowest seen
500GB2 part numbers · from $159
MC508 custom A1311 Hard Drive · 3.06Ghz Intel Dual-Core i3 1st gen · 4GB $159 $69
MC508 custom A1311 Hard Drive · 3.06Ghz Intel Dual-Core i3 1st gen · 8GB $169 $89
1TB4 part numbers
MC509 custom A1311 Hard Drive · 3.2Ghz Intel Dual-Core i3 1st gen · 4GB none $109
MC509 custom A1311 Hard Drive · 3.2Ghz Intel Dual-Core i3 1st gen · 8GB none $109
MC509 custom A1311 Hard Drive · 3.6Ghz Intel Dual-Core i5 1st gen · 4GB none $229
MC509 custom A1311 Hard Drive · 3.6Ghz Intel Dual-Core i5 1st gen · 8GB none $149
2TB4 part numbers
MC509 custom A1311 Hard Drive · 3.2Ghz Intel Dual-Core i3 1st gen · 4GB none
MC509 custom A1311 Hard Drive · 3.2Ghz Intel Dual-Core i3 1st gen · 8GB none
MC509 custom A1311 Hard Drive · 3.6Ghz Intel Dual-Core i5 1st gen · 4GB none
MC509 custom A1311 Hard Drive · 3.6Ghz Intel Dual-Core i5 1st gen · 8GB none $429

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 July 27, 2010, 16 years ago at $1,199.

How much did the iMac 21.5" (Mid 2010) cost at launch?

$1,199 for the base model. Refurbished, it costs from $159 today.

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 May 3, 2011. Refurbishers still sell it.

How much is a refurbished iMac 21.5" (Mid 2010)?

From $159 today. The lowest price RefurbMe has seen is $69.

How we get these numbers

Release dates, launch prices and model numbers come from Apple. Every day RefurbMe checks the stock and prices of Mac of All Trades, Amazon, Back Market, Gazelle, Apple Store, and eBay 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.

Other iMac models from 2010

All iMac release dates