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Our selection of available New & Pre-Owned Macs is constantly changing. We highlight many of the best deals on our Specials Page, or you can view our full inventory of new, refurbished and OWC certified systems.

Apple 21.5-inch iMac:

8GB Memory | 1.0TB Solid-State Drive

3.1GHz Quad-Core Intel Core i5 Processor

Late 2015

Like New, Refurbished - Opened for Upgrade Only
System Configuration:
  • Memory:
    • 8GB Onboard RAM
  • Storage:
    • 1.0TB OWC Mercury Electra 6G Solid-State Drive
  • Networking:
    • Built-in 802.11a/b/g/n/ac Wi-Fi
    • Built-in 10/100/1000BASE-T Gigabit Ethernet
    • Built-in Bluetooth 4.0
    • 2 x Thunderbolt 2 Ports
  • Video:
    • Intel Iris Pro 6200 with 1.5GB VRAM
  • Pre-Loaded/Licensed Software:
    • Pre-installed with macOS 10.11.0 El Capitan (or later)
System Opened, Professionally Upgraded by OWC
This factory sealed unit was opened for the purpose of a system upgrade by OWC’s Apple Certified Technicians and resealed.
Experience huge savings on iMac!
Any iteration of iMac is a fantastic all-in-one machine, and when purchased through MacSales.com, you can count on all the horsepower at a fraction of the price of buying new. Add this 2015 iMac to your workflow at dramatic savings!
Powered by a 3.1GHz Intel Core i5 Broadwell Processor (4 Total Cores)
Talk about oomph. This baby has some power and then some. More processor cores equals more tasks and projects you can do at once. And with a Turbo Boost up to 3.6, you will definitely have enough power for years to come without feeling like your processors are holding you back.
8GB of Onboard Memory
This iMac already has all the memory you need built-in. It’s one upgrade this machine will never need.
1.0TB OWC Mercury Electra 6G SSD
OWC has elevated the performance and expanded the storage of this machine by adding a 1.0TB OWC Mercury Electra 6G SSD. OWC's Electra 6G SSD offers higher speed than the original factory SSD and is designed in the USA.
Gigabit Ethernet, Wi-Fi, and Bluetooth Networking
This iMac, in addition to the one RJ-45 port that supports 10/100/1000BASE-T networks, also has a Bluetooth 4.0 and 802.11a/b/g/n/ac Wi-Fi card installed. So you're covered for all your wired and wireless connection needs.
Special Notes
Keyboard and mouse sold separately.
Apple Model Numbers: MK452LL/A

Includes

  • Apple iMac (Retina 4K, 21.5-inch, Late 2015)
  • Power cord
  • Pre-installed with macOS 10.11.0 El Capitan (or later)
Keyboard and mouse not included

Machine Specifications*

Apple 21.5-inch iMac
(Retina 4K, Late 2015)
Model ID: iMac16,2 View how to find model ID
This Mac comes pre-installed with macOS 10.11.0 El Capitan (or later) and supports operating system version 10.11.0 El Capitan through 12.x Monterey.

Processor

  • Processor Type
    • 3.1GHz Quad-Core Intel Core i5 "Broadwell" processor
  • Turbo Boost
    • Up to 3.6GHz
  • Cache
    • 4MB On-chip Shared L3 Cache
  • Supports Hyper Threading
    • Yes

Memory

  • Memory (RAM)
    • 8GB installed
    • RAM is integrated into main logic board - not user upgradeable.

Internal Storage

  • Bus Type
    • SATA 6.0Gb/s Hard Drive Bus
  • Drive Bay
    • One 2.5-inch Drive Bay
  • Bay 1
    • 1.0TB OWC Mercury Electra 6G Solid-State Drive
  • Secondary Drive Bus
    • 8.0 GT/s PCIe x4 Drive Bus
  • Secondary Bay
    • One Blade Drive Bay

External Connectivity

  • Ports
    • (4) USB 3.2 Gen 1 Type-A ports
    • (2) Thunderbolt 2 ports (20Gb/s)
    • Headphone/optical digital audio output (minijack)
    • 10/100/1000BASE-T Ethernet (RJ-45 connector)
    • (1) SDXC card slot

Power

  • Line Voltage
    • 100-240V AC
  • Frequency
    • 50Hz to 60Hz, single phase

Network

  • Bluetooth
    • Built-in Bluetooth 4.0
  • Ethernet
    • Built-in 10/100/1000BASE-T Gigabit Ethernet
  • Wi-Fi
    • Built-in 802.11a/b/g/n/ac Wi-Fi

Audio

  • Speakers
    • Built-in stereo speakers
  • Microphone
    • Dual microphones
  • Headset Support
    • Support for Apple Earphones with Mic

Display / Monitor

  • Screen
    • 16:9 aspect ratio

Graphics / Video

  • Graphics Processor
    • Intel Iris Pro 6200 with 1.5GB shared system memory
  • Details
    • Simultaneously supports full native resolution on the built-in display and up to 4096 by 2304 pixels on an external display
    • Support for extended desktop, video mirroring, and AirPlay Mirroring

Input

  • Keyboard
    • Not included
  • Mouse
    • Not included

Environmental

  • Operating Temperature
    • 50° to 95° F (10° to 35° C)
  • Storage Temperature
    • -40° to 116° F (-40° to 47° C)
  • Relative Humidity
    • 5% to 95% noncondensing
  • Maximum Operating Altitude
    • 10,000 feet
  • Maximum Storage Altitude
    • 15,000 feet
  • Maximum Shipping Altitude
    • 35,000 feet

Physical

  • Color
    • Silver
  • Height
    • 17.70" (44.96cm)
  • Width
    • 20.80" (52.83cm)
  • Depth
    • 6.90" (17.53cm)
  • Weight
    • 12.5lb. (5.7kg)

*While researched thoroughly via independent resources, OWC does not make any claim to accuracy or completeness of these specifications.

AirMac®, AirPlay®, AirPort®, AirPort Express®, AirPort Extreme®, AirTunes®, A.Pack®, Aperture®, Apple®, AppleCAT®, AppleCD SC®, Apple Cinema Display®, AppleScript®, AppleScript Studio®, AppleShare®, AppleTalk®, Apple TV®, AppleWorks®, Aqua®, Back to My Mac®, Bonjour®, Boot Camp®, Carbon®, Claris®, Cocoa®, Cocoa Touch®, ColorSync®, Cover Flow®, Dashcode®, DVD Studio Pro®, EdView®, Web portal eMac®, Encyclomedia®, EtherTalk®, Exposé®, FaceTime®, FairPlay®, FileVault®, Final Cut®, Final Cut Pro®, Final Cut Studio®, Finder®, FireWire®, FireWire symbol®, FontSync®, GarageBand®, HyperCard®, HyperTalk®, iBook®, iBooks®, iCal®, iChat®, iDVD®, iLife®, iMac®, ImageWriter®, iMovie®, Inkwell®, Instruments®, Inter·Poll®, iPad®, iPhone®, iPhoto®, iPod®, iPod classic®, iPod Hi-Fi®, iPod nano®, iPod shuffle®, iPod Socks®, iPod touch®, iSight®, iTunes®, iTunes Logo®, iTunes Pass®, iWork®, Jam Pack®, Keychain®, Keynote®, Leopard®, LiveType®, LocalTalk®, Logic®, Logic Studio®, Mac®, Mac logo®, MacApp®, MacBook®, MacBook Air®, MacDNS®, Macintosh®, Mac OS®, Mac Pro®, MacTCP®, MagSafe®, MainStage®, MPW®, Numbers®, Objective-C®, OpenPlay®, OS X®, Pages®, Panther®, Photo Booth®, Pixlet®, Podcast Logo®, PowerBook®, Power Mac®, Quartz®, QuickDraw®, QuickTime®, QuickTime logo®, Rosetta®, SADE®, Safari®, Shake®, Sherlock®, Snow Leopard®, Soundtrack®, Spaces®, Spotlight®, SuperDrive®, Think different®, Tiger®, Time Capsule®, Time Machine®, TrueType®, Tubes®, Ultrabeat®, Velocity Engine®, WaveBurner®, WebObjects®, Works with iPhone logo®, Xcode®, Xgrid®, Xsan®, and Xserve® are trademarks of Apple Inc., registered in the U.S. and other countries.

AirDrop™, AirPrint™, Apple IIGS™, AppleLink™, Apple Media Series™, Apple Remote Desktop™, Apple Studio Display™, Apple TechStep™, AppleVision™, Cinema Tools™, DVD@CCESS™, Enterprise Objects™, Enterprise Objects Framework™, Extensions Manager™, FireWire logo™, iWeb™, LaserWriter™, Launchpad™, MacPAD™, MacTest™, Made for iPad logo™, Made for iPhone logo™, Mission Control™, Multi-Touch™, NetInfo™, Newton™, OfflineRT™, OpenCL™, Photocasting™, ProDOS™, QuickTime Broadcaster™, QuickTime TV™, Retina™, Shuffle™, Siri™, Skia™, SnapBack™, StyleWriter™, and WebScript™ are a trademarks of Apple Inc.

Intel, Intel Core, and Xeon are trademarks of Intel Corporation in the U.S. and/or other countries.

New Condition*

Apple Factory Refurbished, Like New Condition, Opened for Upgrade Only:
Refurbished items are often considered “better than new” since a known issue might have been fixed, or special care was taken to improve on the original factory install. In any case, you can rest assured this unit is, at the very least, just as pristine as a brand new unit.
*NOTE: Keyboard and mouse sold separately.

Warranty

The best warranty is one you never have to use - but should the need occur - we're proud to provide a superior level of support and service coverage to our customers.

1 Year Limited Warranty

This machine comes with a 1 Year Limited Warranty from date of purchase.

14 Day Money-Back Return Policy

If you change your mind or determine this isn't the right Apple for you, you may contact OWC within 14 days of the original invoice date to request a return of this item for refund. Please note when returning a new or refurbished Mac under this policy, the packaging must remain unopened / sealed. See the full Return Policy for Used Macs for more details.

Customer Ratings

Write a Review 5 / 5 5 out of 5 (100%) reviewers would recommend this product
Verified Buyer
Reviewer: ElatedDuck-61342
Rating: 5/5 Loe it! April 27, 2021 This was a terrific deal. I really wanted an iMac and this one fit my budget and works great.

I would recommend this item to a friend! This review is from Apple 21.5" iMac Retina 4K (2015) 3.1GHz Quad Core i5 - Used, Excellent condition.

Verified Buyer
Reviewer: Chuk4740 Location: Australia Age: 35-44 Experience Level: IT Professional Owned Product: 1-3 months
Rating: 5/5 iMac September 19, 2020 Never wrong buy Apple, even 2nd hand...

I would recommend this item to a friend! This review is from Apple 21.5" iMac Retina 4K (2015) 3.3GHz Quad Core i7 - Used, Excellent condition.

Verified Buyer
Reviewer: Gramps Location: Nebraska Age: Over 65 Experience Level: Power User Owned Product: 1-3 months
Rating: 5/5 Apple is the only way to go April 30, 2018 My Mac was delivered quickly and as usual was easy to set up. OWC prices are great and the one year warranty is an added benefit.

Thanks for good products and service.

Gramps

I would recommend this item to a friend! This review is from Apple 21.5" iMac Retina 4K (2015) 3.1GHz Quad Core i5 - Apple Factory Refurbished, Like New.

Verified Buyer
Reviewer: Habadasher Location: Rancho Mirage, CA Age: Over 65 Experience Level: Power User Owned Product: 1-3 months
Rating: 5/5 Apples for Apples March 25, 2018 I have had 4 iMac's over the last 8 years. I love them all. This one has the upgraded to 16Gb ram memory and a 3.1 processor. A huge jump in speed and efficiency. I am very happy with the uint and I thank the people at Macsales for their help.

DW

I would recommend this item to a friend! This review is from Apple 21.5" iMac Retina 4K (2015) 3.1GHz Quad Core i5 - New, Factory Sealed, Incl KB/Mouse.

Verified Buyer
Reviewer: JoelWay Location: Lake City, Fl Age: Over 65 Experience Level: Home User Owned Product: 1-3 months
Rating: 5/5 Great Apple product March 15, 2018 Retina display and latest Imac operating system are tremendous. Love shopping here. Delivery was reasonably prompt and all follow up actions were spot on. Would recommend both the product and MacSales.com.

I would recommend this item to a friend!

Verified Buyer
Reviewer: Twame Location: MA Age: 55-65 Experience Level: IT Professional Owned Product: 1-3 months
Rating: 5/5 Great deal February 7, 2018 This price was hard to pass up, but turned out to be my first order of a product to be stocked. I did not expect the several kind e-mail messages, even a phone call, to make sure I was aware of the order status. Kudos.

I would recommend this item to a friend! This review is from Apple 21.5" iMac Retina 4K (2015) 3.1GHz Quad Core i5 - New, Factory Sealed, Incl KB/Mouse.

Apple 21.5-inch iMac 3.1GHz Quad-Core Intel Core i5 Processor OWC SKU: UABO1F66XX2X0AI Like New, Refurbished - Opened for Upgrade Only 1 Year Limited Warranty
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