Apple iMac 27″ (Late 2013) – Retina Display  Intel Core i7  16GB RAM  1TB HDD  2GB NVIDIA Graphics

• 27-inch Retina Display
• Native resolution: 2560 × 1440
• LED-backlit IPS panel
• Wide viewing angles and high-brightness panel
• Processor (CPU)
• Intel Core i7 (Quad-Core, 4th Generation “Haswell”)
• Base speed: around 3.5 GHz
• Turbo Boost: up to about 3.9 GHz
• Strong single-core and multi-core performance for creative workloads and macOS applications
• Memory (RAM)
• 16GB DDR3 1600 MHz
• User-upgradeable up to 32GB (4× slots)
• Storage
• 1TB HDD – 3.5-inch 7200rpm
• Supports SSD or Fusion Drive upgrades if modified
• Graphics (GPU)
• NVIDIA GeForce GTX series
• 2GB GDDR5 dedicated graphics memory
• Capable of handling photo/video editing, light 3D workloads, and Retina-level display performance
• Connectivity & Ports
• Wi-Fi 802.11ac
• Bluetooth 4.0
• 2 × Thunderbolt ports
• 4 × USB 3.0 ports
• SDXC card slot
• Gigabit Ethernet (RJ-45)
• 3.5mm headphone/optical audio output
• Audio & Camera
• Stereo speakers with good clarity
• Dual microphones
• FaceTime HD webcam for video callsDesign
• Slim aluminum unibody
• Integrated stand
• Edge thickness as thin as 5mm at the sides
• All-in-one desktop — components housed behind the 27″ displayOperating System
• Originally shipped with macOS 2013 release
• Supports macOS versions compatible with Late 2013 iMac hardware