The RG550 model name has been applied to several distinct RG series guitar models.
All of these models share several basic traits: RG-style body and pickguard-mounted pickups in a humbucker/ single-coil/ humbucker configuration. Unless noted below these models also have a basswood body, maple fretboard, a double locking tremolo bridge and black pickguard.
RG550 commonly refers to one of these models:
- RG550 (1987–1994); tilt neck joint, Edge tremolo, maple or rosewood fretboard (1987–1989), Ibanez V1/S1/V2 pickups (V7/S1/V8 for 1994)
- RG550 (1997–2002); All Access neck joint, Edge tremolo; Ibanez V7/S1/V8 pickups
- RG550 (2013); reissue as part of the Genesis Collection; tilt neck joint, Edge tremolo, Ibanez V1/S1/V2 pickups
- RG550 (2017–2022); Genesis Collection reissue; tilt neck joint, Edge tremolo, Ibanez V7/S1/V8 pickups
Left-handed versions of the RG550 include:
- RG550L (1988–1992); left-handed version
- RG550L (2018-2022); left-handed version of Genesis Collection reissue; tilt neck joint, Edge tremolo, Ibanez V7/S1/V8
Other RG550 variants and tributes include:
- RGP550 (1991–1992); clear pickguard and rear control cavity, rosewood fretboard, Edge tremolo
- RG5000 (1991–1992); mirrored pickguard, color-matched dot fretboard inlays and knobs
- RG550DX (1992–1993); "deluxe" version w/ colored mirror pickguard, maple fretboard, dot inlays; Lo-Pro Edge tremolo
- RG550LTD (1994–1999); "limited" version w/ colored or hologram mirror pickguard, bound rosewood fretboard, sharktooth inlays; Lo-Pro Edge tremolo
- RG550R (1995–1996); rosewood fretboard
- RG550EX (2000–2002); mirrored pickguard; rosewood fretboard w/ dot inlays; Edge tremolo
- RG550RXX (2007); rosewood fretboard, 20th anniversary reissue
- RG550MXX (2007); maple fretboard, 20th anniversary reissue
- RG1XXV (2012)
- RG2XXV (2012)
- RG550XH (2013–2015); 30 frets
- RG550DX (2019-2020); Genesis Collection reissue; granadillo fretboard w/ binding and sharktooth inlays, black pickguard, tilt neck joint, Edge tremolo, Ibanez V7/S1/V8 pickups
The RG550 lineage was carried on by several Prestige models, including:
- RG1550 (2003–2004); Edge Pro tremolo; Ibanez V7/S1/V8 pickups
- RG1550GX (2003); gold hardware, white pearloid pickguard, rosewood fretboard, Edge Pro tremolo; Ibanez V7/S1/V8 pickups
- RG1550FM (2004); mahogany body w/ flamed maple top, gold hardware, black pickguard, rosewood fretboard, Edge Pro tremolo; Ibanez V7/S1/V8 pickups
- RG1550M (2009); Edge Pro tremolo; Ibanez V7/S1/V8 pickups
- RG1550ML (2009); left-handed version of the RG1550M
- RG1550MZ (2010–2011); Edge Zero tremolo; Ibanez V7/S1/V8 pickups
- RG1550MZL (2010–2011); left-handed version of the RG1550MZ
- RG1550MV (2013–2015); alder body, SynchroniZR non-locking tremolo; Ibanez V7/S1/V8 pickups
- RG655 (2014–2017); rosewood fretboard; Edge tremolo; Wizard HP neck
- RG655M (2015–2017); Edge tremolo; Wizard HP neck
- RG655L (2016–2017); lefty version of RG655