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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 with Retina 4K display:

16GB Memory | 1.0TB Storage

3.1GHz Quad-Core Intel Core i5 Processor

Late 2015

Used, Good condition
System Configuration:
  • Memory:
    • 16GB Onboard RAM
  • Storage:
    • 1.0TB 7,200RPM HGST Travelstar 7K1000 hard disk 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:
    • 21.5-inch (diagonal) Retina 4K LED-backlit widescreen display with IPS technology
    • Intel Iris Pro 6200 with 1.5GB VRAM
  • Pre-Loaded/Licensed Software:
    • Pre-loaded with macOS 10.12 Sierra
OWC Tested. Quality You Can Trust.
OWC individually inspects and fully tests every pre-owned computer to confirm full functionality and accurate grading. All refurbishments and/or upgrades are performed by our Apple Certified Technicians. That's why OWC is the most trusted name in Mac refurbishments.
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.
16GB 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 7,200RPM Hard Drive
This machine comes with a 1.0TB 7,200RPM hard drive, which is a great starting point for any machine. A hard drive is a great economical way to add and store tons of data to archive or work from.
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.
Apple Model Numbers: MK452LL/A

Includes

  • Apple iMac (Retina 4K, 21.5-inch, Late 2015)
  • Power cord
  • Pre-loaded with macOS 10.12 Sierra
Software restore disks, 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-loaded with macOS 10.12 Sierra and supports operating system version 10.11.0 or later.

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)
    • 16GB 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 HGST Travelstar 7K1000 7,200RPM hard disk drive
  • Secondary Drive Bus
    • 8.0 GT/s PCIe x4 Drive Bus
  • Secondary Bay
    • One Blade Drive Bay
    • Empty

External Connectivity

  • Ports
    • (4) USB 3.0 Type A ports
    • (1) Thunderbolt 2 Ports (20Gb/s)
    • Headphone/optical digital audio output (minijack)
    • Headphone port / 3.5 mm headphone jack
    • 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
    • 21.5-inch (diagonal) Retina 4K LED-backlit widescreen display with IPS technology
    • 4096 by 2304 resolution at 219 pixels per inch
    • Support for one billion colors
    • 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.

Good Condition

Used, Good:
These units have some stories to tell. While the housings may have scratches and/or dents, tarnishing, and/or noticeable screen scratches, they are 100% operational. Images shown are examples from actual units, but exact unit condition will vary.

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.

90 Day OWC Fulfilled Limited Warranty

Other World Computing (OWC) fully inspects and tests each pre-owned Mac for the full functionality as listed and offers a limited parts and labor warranty to the original purchaser that this iMac will be free from defects in material and workmanship for a period of 90 days from the original 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 an Apple new or refurbished factory-sealed Mac under this policy, the Apple packaging must remain unopened / sealed. See the full Return Policy for Used Macs and Factory Sealed Systems for more details.
Apple 21.5-inch iMac with Retina 4K display 3.1GHz Quad-Core Intel Core i5 Processor OWC SKU: UABO1H7CXX2XXXD Used, Good condition 90 Day OWC Fulfilled Limited Warranty
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