Apple iMac Retina 5K 27 inch Late 2015

Display

• 27-inch (diagonal) Retina 5K display with IPS technology

• 5120‑by‑2880 resolution with support for millions of colors

Processor

• 3.2GHz

  • 3.2GHz quad‑core Intel Core i5 (Turbo Boost up to 3.6GHz)

• 3.2GHz

  • 3.2GHz quad‑core Intel Core i5 (Turbo Boost up to 3.6GHz)

  • Configurable to 4.0GHz quad-core Intel Core i7 (Turbo Boost up to 4.2GHz)

• 3.3GHz

  • 3.3GHz quad‑core Intel Core i5 (Turbo Boost up to 3.9GHz)

  • Configurable to 4.0GHz quad-core Intel Core i7 (Turbo Boost up to 4.2GHz)

Memory

• 8GB (two 4GB) of 1867MHz DDR3 memory; four SO-DIMM slots, user accessible

  • Configurable to 16GB or 32GB

Storage¹

• 3.2GHz

  • 1TB (7200-rpm) hard drive

  • Configurable up to 3TB Fusion Drive or 256GB or 512GB of flash storage (SSD)

• 3.2GHz

  • 1TB Fusion Drive

  • Configurable up to 3TB Fusion Drive or 256GB, 512GB, or 1TB of flash storage (SSD)

• 3.3GHz

  • 2TB Fusion Drive

  • Configurable up to 3TB Fusion Drive or 256GB, 512GB, or 1TB of flash storage (SSD)

Graphics

• 3.2GHz

  • AMD Radeon R9 M380 graphics processor with 2GB of GDDR5 memory

• 3.2GHz

  • AMD Radeon R9 M390 graphics processor with 2GB of GDDR5 memory

• 3.3GHz

  • AMD Radeon R9 M395 graphics processor with 2GB of GDDR5 memory

  • Configurable to AMD Radeon R9 M395X with 4GB of GDDR5 memory

Video Support and Camera

• FaceTime HD camera

• Simultaneously supports full native resolution on the built-in display and up to two 4096-by-2160 external displays or one 5120-by-2880 dual-cable external display

• Support for extended desktop and video mirroring modes

Audio

• Stereo speakers

• Dual microphones

• 3.5 mm headphone jack

  • Headphone/optical