4GB of 1600MHz LPDDR3 onboard memoryConfigurable to 8GB.Battery and Power 2Up to 9 hours wireless webUp to 10 hours iTunes movie playbackUp to 30 days standby timeBuilt‑in 38‑watt‑hour lithium‑polymer battery45W MagSafe 2 Power Adapter with cable management; MagSafe 2 power port
Size and WeightHeight: 0.11-0.68 inch (0.3-1.7 cm)Width: 11.8 inches (30 cm)Depth: 7.56 inches (19.2 cm)Weight: 2.38 pounds (1.08 kg)3อ่านเพิ่มเติม