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Apple iMac A1311 21.5" AiO Computer Intel i3 (2100) 3.1GHz 4GB DDR3 250GB HDD

Apple iMac A1311 21.5" AiO Computer Intel i3 (2100) 3.1GHz 4GB DDR3 250GB HDD

SKU 104551 MC978LL/A Refurbished (Grading Guide)
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Item Information
Quietly introduced without a press release, the iMac "Core i3" 3.1 21.5-Inch Aluminum (Late 2011/Education Only) -- which only was available for sale originally to educational institutions -- is powered by a Dual Core 3.1 GHz Intel "Core i3" I3-2100 (Sandy Bridge) processor with a dedicated 256k level 2 cache for each core and a 3 MB shared level 3 cache. In lieu of a system bus, it has a "Direct Media Interface" (DMI) that "connects between the processor and chipset" at 5 GT/s.


  • Intel i3 (2100) 3.1GHz
  • 21.5" Full HD (1920 x 1080)
  • Radeon HD 6750M
  • Gigabit Ethernet
  • SD Card Reader


  • Apple iMac Laptop
  • Power Adapter
  • MAC OS 13


  • Mini DisplayPort
Apple iMac A1311 21.5" AiO Computer Intel i3 (2100) 3.1GHz 4GB DDR3  250GB HDD

Our grading criteria is based solely on cosmetic condition. Products classified with lower grades will have more notable cosmetic blemishes, however, all grades are tested and cleaned to have the same functionality and performance as well as the same warranty.

Grade C

Signs of considerable usage - most commonly large scratches, dents, chipped/broken plastic, cracks, worn corners, and /or discoloration. Screens can have noticeable defects..

UPC: 00648044759821
Screen Size21.5"
ProcessorIntel i3 (2100) 3.1GHz
Memory TypeDDR3
Total Memory Slots4
Storage Type3.5" SATA
Optical Drive DVD
Network ConnectionsGigabit Ethernet 10/100/1000
802.11 Wireless
Fingerprint Scanner0
USB Port(s)4 (2.0)
USB-C Port(s)0
HDMI Port(s)0
S-Video Port(s)0
Firewire Port(s)0
Mini Display Port(s)1
Thunderbolt Port(s)0
SD Card Reader1
Graphics CardRadeon HD 6750M
Expansion Slots-
Expansion Bays-
Operating SystemOSX 13
Maximum Operating SystemOSX 13
Introduction DateAugust 8, 2011
Discontinued DateMarch 5, 2013

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Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction.

If you need assistance finding a different product our awesome staff is ready to help. Contact us for expert support.

  • Item(s) must be returned within 30 days from invoice date.
  • Item(s) must be received in original condition preferably in the same packing materials.
  • Item(s) should be securely packed for safe return.
  • The purchaser is responsible for all shipping costs and insurance.


  • Products usually ship within two business days after payment. If you have a rush order, or need an item delivered on Saturday please call to request faster shipping.
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  • Fixed or free shipping offer does not apply to items shipped on pallets, please call for rates on those items. Free shipping offers only apply to the continental US.


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