MacBook Pro (15-inch, Mid 2009) and (15-inch, 2.53 GHz, Mid 2009) - Technical SpecificationsSize and weightHeight:0.95 inch (2.41 cm)Width:14.35 inches (36.4 cm)Depth:9.82 inches (24.9 cm)Weight:5.5 pounds (2.49 kg)1 Connections and expansionMagSafe power portGigabit Ethernet portOne FireWire 800 port (up to 800 Mbps)Mini DisplayPortTwo USB 2.0 ports (up to 480 Mbps)SD card slotAudio line inAudio line outKensington lock slotCommunicationsBuilt-in AirPort Extreme Wi-Fi wireless networking2 (based on IEEE 802.11n draft specification); IEEE 802.11a/b/g compatibleBuilt-in Bluetooth 2.1 + EDR (Enhanced Data Rate)Built-in 10/BASE-T Gigabit Ethernet (RJ-45 connector)AudioBuilt-in stereo speakersBuilt-in omnidirectional microphone (located under left speaker grille)Combined optical digital audio input/audio line in (minijack)Combined optical digital audio output/audio line out (minijack)Environmental Status ReportMacBook Pro is designed with the following features to reduce its environmental impact:Highly recyclable aluminum and glass enclosureMercury-free LED-backlit displayArsenic-free display glassBFR-freePVC-free internal cablesReduced packaging volumeMeets ENERGY STAR Version 5.0 requirementsRated EPEAT GoldDisplay15.4-inch (diagonal) LED-backlit glossy widescreen display with support for millions of colorsGraphics and video supportAll models: NVIDIA GeForce 9400M graphics processor with 256MB of DDR3 SDRAM shared with main memoryDual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on an external display, both at millions of colorsBuilt-in iSight cameraMini DisplayPortPure digital video outputDVI output using Mini DisplayPort to DVI Adapter (optional)VGA output using Mini DisplayPort to VGA Adapter (optional)Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter supports 30-inch Apple Cinema HD Display (optional)InputBuilt-in full-size backlit keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement)Multi-Touch trackpad for precise cursor control; supports two-finger scrolling, pinch, rotate, swipe, three-finger swipe, four-finger swipe, tap, double-tap, and drag capabilitiesProcessor and memory2.53GHz Intel Core 2 Duo processor with 3MB on-chip shared L2 cache running 1:1 with processor speed1066MHz frontside bus4GB (two 2GB SO-DIMMs) of 1066MHz DDR3 memory; two SO-DIMM slots support up to 8GB