Processor

 2.53GHz Intel Core i5

Memory

4GB (two 2GB SO-DIMMs) of 1066MHz DDR3 SDRAM; supports up to 8GB

Hard drive

500GB Serial ATA; 5400 rpm

Slot-loading optical drive

 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW)

Graphics

Intel HD Graphics⁵ and NVIDIA GeForce GT 330M with automatic graphics switching

Graphics memory

 256MB GDDR3

Video

iSight camera; Mini DisplayPort output port with support for DVI, VGA, dual-link DVI, and HDMI (requires adapters, sold separately)

Display

15.4-inch (diagonal) LED-backlit glossy widescreen display, 1440-by-900 resolution

Expansion

Audio

Stereo speakers with subwoofers, omnidirectional microphone, audio line in minijack (digital/analog), audio line out/headphone minijack (digital/analog)

Networking

 Built-in 10/100/1000BASE-T (Gigabit) Ethernet

Wireless

AirPort Extreme Wi-Fi (based on IEEE 802.11n specification)²; Bluetooth 2.1 + EDR (Enhanced Data Rate) wireless technology