Refurbished iMac 21.5" 2011 500GB Silver, 4GB memory
Out of stock at every seller
Last seen Nov 1, 2026, from $189 (Fair at eBay Refurbished).
Refurbished iMac 21.5" prices when last seen
No seller has it in stock right now.
Over the last 30 days, the lowest price was $189 on most days.
What Excellent, Good and Fair look like
The grade describes looks only, as each seller grades it. No seller here states a warranty for this configuration. Each seller words its own grades, so here is what each seller calls it.
Excellent
Shown on a MacBook Pro M2, for illustration.
Good
Shown on a MacBook Pro M2, for illustration.
Fair
Shown on a MacBook Pro M2, for illustration.
iMac 21.5" specs
- Screen
- 21.5" · 102ppi at a resolution of 1920x1080
- Processor
- Intel 2.5 GHz Quad-Core i5 2nd gen , with Turbo Boost up to 3.3 GHz
- Memory
- 4GB 1333MHz DDR3
- Graphics
- AMD Radeon HD 6750M with 1GB memory
- Shipped with
- macOS 10.6 (Snow Leopard) or above
- Latest software
- macOS 10.13 (High Sierra)
- Bluetooth generation
- 2.1
- Wi-Fi generation
- 4
- Thunderbolt port count
- 1
- Thunderbolt generation
- 1
- Part numbers
- MC309LL/A, MC309
- Model identifier
- iMac12,1
- Model number
- A1311
- EMC number
- 2428
- Released
- May 3, 2011
- Discontinued
- October 23, 2012
- Weight
- 20.5 lb
- Size (H x W x D)
- 17.76in x 20.79in x 7.42in
Questions about the iMac 21.5"
What is MC309LL/A?
MC309LL/A is Apple's part number for the iMac 21.5" 2011 500GB Silver, made for the US (the LL/A suffix). Its model number is A1311. Apple released it in May 3, 2011. Its launch price was $1,199. Apple sold it new until October 23, 2012. It runs macOS 10.13 (High Sierra).
Which seller has the cheapest refurbished iMac 21.5"?
None right now: every seller is out of stock. The last lowest price was $189 for Fair at eBay Refurbished. Set an alert at the top of the page to hear when it is back.
What warranty comes with a refurbished iMac 21.5"?
It depends on the seller. On this page: eBay Refurbished no stated warranty. Every seller here takes returns for 30 days.
Is a refurbished Mac mini worth buying?
Yes, for most buyers. A refurbished Mac mini performs like a new one for less money, and a desktop that never leaves your desk carries little of the risk of a used laptop. On 7 October 2026, Back Market listed the M1 Mac mini with 8 GB and 256 GB at $488, about 30% below Apple's $699 launch price. eBay Refurbished listed the M4 with 16 GB and 256 GB at $729, $170 less than Apple's new M6 Mac mini with the same memory and storage at $899.