iMac Late 2015 [ Core i5, 8GB RAM, 256GB SSD, 27″]

The iMac (Ret5K, 27-inch, Late 2015) is a high-performance all-in-one desktop computer from Apple, renowned for its stunning 5K display and robust capabilities:

Display

• 27-inch (diagonal) Retina 5K display with IPS technology
• Resolution: 5120 x 2880 pixels
• Support for millions of colors

Processor

• 3.2GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.6GHz)
• 6MB L3 cache

Memory

• 8GB (two 4GB) of 1867MHz DDR3 memory; four SO-DIMM slots, user-accessible
• Configurable up to 32GB

Storage

• 256GB SSD (Solid State Drive)
• Configurable to 512GB or 1TB SSD, or 1TB, 2TB, or 3TB Fusion Drive

Graphics

• AMD Radeon R9 M380 graphics processor with 2GB of GDDR5 memory
• Configurable to AMD Radeon R9 M390 or 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 external displays with 4096 x 2160 resolution or one external display with 5120 x 2880 resolution

Audio

• Stereo speakers
• Dual microphones
• 3.5 mm headphone jack
• Support for Apple iPhone headset with microphone

Connections and Expansion

• SDXC card slot
• Four USB 3 ports (compatible with USB 2)
• Two Thunderbolt 2 ports
• Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately)
• 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
• Kensington lock slot

Wireless

• 802.11ac Wi-Fi wireless networking; IEEE 802.11a/b/g/n compatible
• Bluetooth 4.0 wireless technology

Input Devices

• Magic Keyboard
• Magic Mouse 2
• Optional: Magic Trackpad 2

Dimensions and Weight

• Height: 20.3 inches (51.6 cm)
• Width: 25.6 inches (65.0 cm)
• Stand depth: 8 inches (20.3 cm)
• Weight: 21 pounds (9.54 kg)

Operating System

• Originally shipped with OS X El Capitan
• Capable of running macOS Big Sur (11)