Apple MacBook Pro MB133LL/A 15.4-inch Laptop (OLD VERSION) 2.4 GHz Intel Core 2 Duo processor with 3 MB on-chip shared L2 cache running 1:1 with processor speed, Mac OS X v10.5 Leopard 2 GB RAM (two SO-DIMM) 677 MHz DDR2 SD-RAM (PC2-5300), 200 GB 5400 rpm Serial ATA hard drive, slot load 8x Super Drive (DVDR DL/DVDRW/CD-RW) One FireWire 400, one FireWire 800, two USB 2.0 ports, and ExpressCard/34 slot Built-in 10/100/1000BASE-T (Gigabit); built-in 54 Mbps AirPort Extreme (802.11n); built-in Bluetooth 2.0+EDR 15.4-inch (diagonal), 1440 by 900 resolution, matte TFT LED widescreen display with NVIDIA GeForce 8600M GT with 256 MB of GDDR3 memory and dual-link DVI