Product Description The MacBook Pro “Core i5” 2.5 13-Inch (Mid-2012/USB 3.0) features a 22 nm “Ivy Bridge” 2.5 GHz Intel “Core i5” processor (3210M), with two independent processor “cores” on a single silicon chip, a 3 MB shared level 3 cache, 4 GB of 1600 MHz DDR3L SDRAM (PC3-12800) installed, a 1 TB Serial ATA (5400 RPM) hard drive, an 8X DL “SuperDrive”, an “integrated” Intel HD Graphics 4000 graphics processor that shares system memory, an integrated 720p FaceTime HD webcam, and an LED-backlit 13.3″ widescreen TFT active-matrix “glossy” display (1280×800 native resolution). Connectivity includes AirPort Extreme (802.11a/b/g/n), Bluetooth 4.0, Gigabit Ethernet, a Firewire “800” port, two USB 3.0 ports, a “Thunderbolt” port, audio in/out, and an SDXC card slot. This model uses a “Unibody” aluminum case design — milled from a single piece of aluminum — and has a backlit keyboard, a “no button” glass “inertial” multi-touch trackpad, and a non-swappable battery design that provides an Apple estimated 7 hours of battery life. Introcution Date: June 11, 2012 Discontinued Date: October 27, 2016 Processor Speed: 2.5 GHz Processor Type: Core i5 (I5-3210M) System Bus Speed: 5 GT/s Cache Bus Speed: 2.5 GHz (Built-in) ROM/Firmware Type: EFI RAM Type: PC3-12800 DDR3L Min. RAM Speed: 1600 MHz Standard RAM: 4 GB Maximum RAM: 16 GB Video Card: HD Graphics 4000 VRAM Type: Integrated Standard VRAM: 512 MB Maximum VRAM: 768 MB Resolution Support: 1280×800 2nd Display Support: Dual/Mirroring 2nd Max. Resolution: 2560×1600 Standard Storage: 1 TB HDD Storage Dimensions: 2.5″ (9.5 mm) x2 Storage Interface: Serial ATA (6 Gb/s) x2 Standard Ethernet: 10/100/1000Base-T Standard AirPort: 802.11a/b/g/n(450Mbit) Standard Bluetooth: 4.0 USB Ports: 2 (3.0) Apple Model No: A1278 (EMC 2554) Product Dimensions:0.95 x 12.78 x 8.94 inches Avg. Weight: 4.5 lbs.