Refurbished iMac 21.5" 2015 256GB Silver, 8GB memory
$170
Lowest Good price 
Mac of All Trades
- 1‑month warranty
- 30‑day returns
- Free shipping
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Prices checked Oct 16, 9:32 AM EDT
Other iMac 21.5" versions
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Refurbished iMac 21.5" prices today
$170 is a typical price for an iMac 21.5" in Good condition.
Over the last 30 days, the lowest price in Good condition was usually $170 to $183.
2 offers from 2 sellers today, $170 to $339.
What Excellent, Good and Fair look like
The grade describes looks only, as each seller grades it. Warranties here run from 1 month at Mac of All Trades to 1 year at eBay Refurbished. Each seller words its own grades, so here is what each seller calls it.
Excellent
No seller lists this grade for this configuration today
- Mac of All Trades calls it Excellent
- eBay Refurbished calls it Certified or Excellent
Shown on a MacBook Pro M2, for illustration.
From $170 for this configuration, at 2 of 2 sellers
- Mac of All Trades calls it Very Good
- eBay Refurbished calls it Very Good
Shown on a MacBook Pro M2, for illustration.
Fair
No seller lists this grade for this configuration today
- Mac of All Trades calls it Good
- eBay Refurbished calls it Good
Shown on a MacBook Pro M2, for illustration.
iMac 21.5" specs
- Screen
- 21.5" · 102ppi at a resolution of 1920x1080
- Processor
- Intel 2.8 GHz Quad-Core i5 5th gen , with Turbo Boost up to 3.3 GHz
- Memory
- 8GB 1867MHz LPDDR3
- Graphics
- Intel Iris Pro Graphics 6200
- Shipped with
- macOS 10.11 (El Capitan) or above
- Latest software
- macOS 12 (Monterey)
- Bluetooth generation
- 4.0
- Wi-Fi generation
- 5
- Thunderbolt port count
- 2
- Thunderbolt generation
- 2
- Model identifier
- iMac16,2
- Model number
- A1418
- EMC number
- 2889
- Released
- October 13, 2015
- Discontinued
- June 5, 2017
- Weight
- 12.52 lb
- Size (H x W x D)
- 17.72in x 20.79in x 6.89in
Questions about the iMac 21.5"
What is MK442?
MK442 is Apple's part number for the iMac 21.5" 2015 256GB Silver. The one on this page is a custom configuration of it, with 8GB memory. Its model number is A1418. Apple released it in October 13, 2015. Its launch price was $1,499. Apple sold it new until June 5, 2017. It runs macOS 12 (Monterey).
Which seller has the cheapest refurbished iMac 21.5"?
Today it is Mac of All Trades, at $170 for a Good (B) unit with 1‑month warranty.
What warranty comes with a refurbished iMac 21.5"?
It depends on the seller. On this page: Mac of All Trades 1‑month warranty, eBay Refurbished 1‑year 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.