Decks, EFX & 909 is a 1999 compilation album by Canadian electronic music artist Richie Hawtin. It was created utilizing two turntables, an effects box, and a Roland TR-909 drum machine. Subsequently, followed by DE9: Closer to the Edit (2001) and DE9: Transitions (2005), it is the first entry in his DE9 series.

Richard "Richie" Hawtin is a British-Canadian electronic musician and DJ. He became involved with Detroit techno's second wave in the early 1990s, and has been a leading exponent of minimal techno since the mid-1990s. He became known for his recordings under the Plastikman and F.U.S.E. aliases. Under the latter, he released his debut album Dimension Intrusion (1993) as part of Warp's Artificial Intelligence series.