This refurbished MacBook Pro 15-Inch (Early 2011/Thunderbolt) features a 32 nm "Sandy Bridge" 2GHz Intel "Core i7" processor, with four independent processor "cores" on a single silicon chip, a 6 MB shared level 3 cache, 8GB of RAM, a 256 GB Solid State Drive (SSD), an 8X DL "SuperDrive", dual graphics processors -- an AMD Radeon HD 6490M with 256 MB of dedicated GDDR5 memory and an Intel HD Graphics 3000 graphics processor that shares 512 MB of memory with the system an integrated FaceTime HD webcam and macOS High Sierra pre-loaded.
Connectivity includes AirPort Extreme (802.11a/b/g/n), Bluetooth 2.1+EDR, Gigabit Ethernet, a Firewire "800" port, two USB 2.0 ports, separate audio in and out ports, an SDXC card slot, and a new "Thunderbolt" port that is backward compatible with Mini DisplayPort and, likewise, supports an external display at 2560x1600 and passes an audio signal.
macOS 10.13.6 "High Sierra" preinstaled. Malware protected. Comes with 85W Magsafe charger.