Apple 45W MagSafe 2 Power Adapter for MacBook Air, white

Apple MacBook Air 45W MagSafe Power Adapter

4GB 1866MHz DDR3 ECC SDRAM DIMM - 1x4GB

Apple 60W MagSafe 2 Power Adapter (MacBook Pro with 13-inch Retina display), white

Apple 85W MagSafe 2 Power Adapter (for MacBook Pro with Retina display), white