This is R Kelly's Complete Discography. Information is as followed

Audio
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Mode : Joint stereo
Bit rate mode : Constant
Bit rate : 320 Kbps
Channel(s) : 2 channels
Sampling rate : 44.1 KHz
Compression mode : Lossy


Studio Albums:
(1993)12 Play
(1996)R. Kelly
(1998)R
(2000)TP-2.Com
(2003)Chocolate Factory
(2004)Happy People-U Saved Me
(2005)TP3 Reloaded
(2007)Double Up
(2009)Untitled
(2010)Love Letter (Deluxe Edition)
(2012)Write Me Back (Deluxe Version)

Collaboration Albums:
(1992)Born Into The 90's
(2002)Best of Both Worlds
(2004)Unfinished Business

Compilation Albums:
(2003)The R. in R&B Collection vol. 1
(2005)My Diary
(2005)Remix City Volume 1
(2009)Playlist The Very Best Of R. Kelly
(2010)Epic