two "Thunderbolt 2" ports
RAM Speed: 1600 MHz Standard RAM: 8 GB Maximum RAM: 8 GB* Motherboard RAM: 4 GB
This MacBook Air 2012 (Thunderbolt) features a 22-nm “Ivy Bridge” 1
Genuine Mac OS Sequoia installed and ready to use
This MacBook Air 2015 Core i5 features a 14-nm “Broadwell” 1
2011 MacBook Pro 17" Core i7, 8GB, 320 GB HDD - Refurbished-2 Years warranty iphone two "Thunderbolt 2" portsThis MacBook Pro Core i7 2011 features a 32 nm "Sandy Bridge" 2. 4 GHz Intel Core i7 processor (2760QM) with four independent processor cores on a single chip, a 6 MB shared level 3 cache, 8 GB of 1333 MHz DDR3 SDRAM, (PC3 10600), a 320 GB Serial ATA (5400 RPM) hard drive, an 8X DL "SuperDrive", dual graphics processors , an AMD Radeon HD 6770M with 1 GB of dedicated GDDR5 memory, an Intel HD Graphics 3000 graphics processor. an integrated 720p HD