Complex sentence: It was commercially introduced on Apple's 2011 MacBook Pro, using the same Apple-developed connector as Mini DisplayPort (MDP), which is electrically identical to DisplayPort (DP), but uses a smaller, non-locking connector.
Split into simpler sentences: It was commercially introduced on Apple's 2011 MacBook Pro, using the same Apple-developed connector as MDP. MDP is electrically identical to DisplayPort (DP), but uses a smaller, non-locking connector.