Display

• Retina display: 13.3-inch (diagonal) LED-backlit display with IPS technology
• 2560-by-1600 native resolution at 227 pixels per inch with support for millions of colors
• Scaled resolutions: 1680 by 1050, 1440 by 900, and 1024 by 640 pixels

Processor

2.5GHz
2.5GHz dual-core Intel Core i5 processor (Turbo Boost up to 3.1GHz) with 3MB shared L3 cache

• Configurable to 2.9GHz dual-core Intel Core i7 (Turbo Boost up to 3.6GHz) with 4MB shared L3 cache.

Memory

• 8GB of 1600MHz DDR3L onboard memory

Storage

• 128GB
  Configurable to 256GB, 512GB, or 768GB flash storage.
• 256GB
  Configurable to 512GB or 768GB flash storage.

Size and Weight

• Height: 0.75 inch (1.9 cm)
• Width: 12.35 inches (31.4 cm)
• Depth: 8.62 inches (21.9 cm)
• Weight: 3.57 pounds (1.62 kg)