Specs:

• Year: 2015
• Part #: MK462LL/A-CTO (A1419)
• Screen Size: 27-inch (5120 x 2880) 5K Retina Display
• Processor: Quad-Core Intel i7 4.0GHz
• RAM: 16GB DDR3 (Upgrade-able to 64GB)
• Hard Drive: 256GB Solid State Drive (SSD)
• Integrated Graphics: 
• Dedicated Graphics: AMD Radeon R9 M390 (2GB)

Features:

• 720p FaceTime HD Camera and Integrated Microphone
• 2 x Thunderbolt 2
• 4 x USB
• 1 x Ethernet
• 1 x 3.5mm Audio Jack

Package Contents:

• 27-inch iMac with 5K Retina Display
• Power Cable
  ** Keyboard & Mouse NOT Included

** Warranty: 90 Days (Eligible for 1 Year Extended Warranty)