ThinkPad History

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TODO	create some actually needed icons and add the form factor column in the Lenovo table, plus filling the blank characteristics up

Here is an overview of the history of the ThinkPad brand.

IBM has a webpage that details the history of the ThinkPad brand too.

IBM ThinkPad

ThinkPads sorted by time of appearance

ThinkPad model	release year	special characteristics	form factor
1992
700T	Apr 1992	Tablet PC	Notebook
300	Oct 1992		Notebook
700, 700C	Oct 1992	Micro Channel architecture	Notebook
1993
550BJ	Feb 1993	Integrated BubbleJet printer	Notebook
710T	Mar 1993	Tablet PC	Notebook
720, 720C	May 1993	Micro Channel architecture	Notebook
350, 350C	Jun 1993		Notebook
500	Jun 1993		Subnotebook
750, 750C	Sep 1993		Notebook
750P	Sep 1993	Convertible Tablet PC	Notebook
220	Oct 1993		Subnotebook
750CS	Nov 1993		Notebook
1994
360, 360CS	May 1994		Notebook
730T	May 1994	Tablet PC	Notebook
555BJ	Jun 1994	Integrated BubbleJet printer	Notebook
230CS	Jun 1994		Subnotebook
355, 355C, 355CS	Jun 1994		Notebook
360C	Jun 1994		Notebook
360P, 360PE	Jun 1994	Convertible Tablet PC	Notebook
510CS	Jun 1994		Notebook
755C, 755CS	Jun 1994		Notebook
340	Sep 1994		Notebook
360CE, 360CSE	Oct 1994		Notebook
755CD	Oct 1994	The first ThinkPad with an integrated CD-ROM drive and IrDA	Notebook
755CE, 755CSE	Nov 1994		Notebook
1995
340CSE	Feb 1995		Notebook
701C, 701CS	Mar 1995		Subnotebook
360CE	Apr 1995		Notebook
370C	May 1995		Notebook
755CX	May 1995		Notebook
755CV	May 1995	Display can be used with overhead projectors	Notebook
755CDV	Jun 1995	Display can be used with overhead projectors	Notebook
820, 850	Jul 1995	PowerPC Reference Platform architecture	Notebook
345C, 345CS	Sep 1995		Notebook
PC110	Sep 1995		Palmtop PC
730TE	Oct 1995	Tablet PC, enhanced version of 730T	Notebook
760C, 760CD	Oct 1995		Notebook
365C, 365CS	Nov 1995		Notebook
365CD, 365CSD	Nov 1995		Notebook
1996
760L, 760LD	Feb 1996		Notebook
365E, 365ED	May 1996		Notebook
365X, 365XD	May 1996		Notebook
560	May 1996		Notebook
760E, 760ED, 760EL, 760ELD	May 1996	The first ThinkPads with CardBus	Notebook
860	Oct 1996	PowerPC Reference Platform architecture	Notebook
1997
760XL, 760XD	Apr 1997		Notebook
380, 380D	May 1997		Notebook
385D	May 1997		Notebook
310, 310D	Jun 1997		Notebook
560E	Jun 1997		Subnotebook
765L, 765D	Jun 1997		Notebook
380E, 380ED	Sep 1997		Notebook
385ED	Sep 1997		Notebook
770	Oct 1997	The first ThinkPad with an integrated DVD-ROM drive	Notebook
310E, 310ED	Nov 1997		Notebook
1998
380XD	Mar 1998		Notebook
385XD	Mar 1998		Notebook
560X	Mar 1998		Subnotebook
600	Apr 1998		Notebook
770E, 770ED	Apr 1998		Notebook
380Z	Sep 1998		Notebook
560Z	Sep 1998		Subnotebook
770X	Oct 1998		Notebook
390	Nov 1998		Notebook
600E	Nov 1998	Enhanced version of 600	Notebook
i Series 1410, i Series 1450	Nov 1998		Notebook
1999
i Series 1411, i Series 1451	Jan 1999		Notebook
770Z	Feb 1999		Notebook
390E	Mar 1999		Notebook
570	Apr 1999		Subnotebook
240	Jun 1999		Subnotebook
i Series 1412, i Series 1452, i Series 1472	Jun 1999		Notebook
i Series 1512, i Series 1552	Jul 1999		Notebook
i Series 1720, i Series 1721	Jul 1999		Notebook
i Series 1400	Aug 1999	The first ThinkPad with a ThinkLight	Notebook
390X	Sep 1999		Notebook
i Series 1420	Oct 1999		Notebook
i Series 1460, i Series 1480	Oct 1999		Notebook
i Series 1540, i Series 1560	Oct 1999		Notebook
600X	Dec 1999	Enhanced version of 600E	Notebook
2000
i Series 1421, i Series 1441	Jan 2000		Notebook
i Series 1541	Jan 2000		Notebook
570E	Feb 2000		Subnotebook
i Series 1422, i Series 1442, i Series 1482, i Series 1483, i Series 1492	Mar 2000		Notebook
i Series 1542, i Series 1562, i Series 1592	Apr 2000		Notebook
A20m	May 2000		Desktop Replacement
A20p	May 2000		Desktop Replacement
T20	May 2000		Notebook
240X	Jun 2000		Subnotebook
i Series 1210, i Series 1230, i Series 1250, i Series 1260	Jun 2000		Notebook
i Series 1330, i Series 1370	Jun 2000		Notebook
i Series 1200, i Series 1300	Sep 2000		Notebook
X20	Sep 2000		Subnotebook
A21m	Sep 2000		Desktop Replacement
A21p	Sep 2000		Desktop Replacement
A21e	Oct 2000		Desktop Replacement
T21	Oct 2000		Notebook
240Z	Oct 2000		Subnotebook
2001
TransNote	Feb 2001	IBM's innovative approach on human interaction	Notebook
T22	Mar 2001		Notebook
A22m	Apr 2001	The first ThinkPad with a MiniPCI wireless card	Desktop Replacement
A22p	Apr 2001		Desktop Replacement
X21	Apr 2001		Subnotebook
S30	May 2001		Subnotebook
A22e	Jun 2001		Desktop Replacement
T23	Jul 2001		Notebook
A30	Oct 2001		Desktop Replacement
A30p	Oct 2001		Desktop Replacement
R30	Oct 2001		Notebook
X22	Oct 2001		Subnotebook
S31	Nov 2001		Subnotebook
2002
X23	Jan 2002		Subnotebook
R31	Feb 2002		Notebook
A31	Mar 2002		Desktop Replacement
A31p	Mar 2002		Desktop Replacement
T30	May 2002		Notebook
X24	May 2002		Subnotebook
R32	Jun 2002		Notebook
X30	Sep 2002		Subnotebook
2003
R40	Jan 2003		Notebook
T40, T40p	Mar 2003		Notebook
X31	Mar 2003		Subnotebook
G40	Apr 2003		Desktop Replacement
R40e	Oct 2003		Notebook
R50	Oct 2003		Notebook
T41	Oct 2003	The first ThinkPad with HDD protection system	Notebook
T41p	Nov 2003		Notebook
R50p	Nov 2003		Notebook
2004
X40	Feb 2004		Subnotebook
R50e	Apr 2004		Notebook
R51	Apr 2004		Notebook
T42, T42p	May 2004		Notebook
G41	Oct 2004		Desktop Replacement
2005
T43	Feb 2005	The first ThinkPad with a PAE-enabled CPU	Notebook
R52	Mar 2005		Notebook
T43p	Apr 2005		Notebook
X32	Apr 2005		Subnotebook
X41	Apr 2005		Subnotebook

Lenovo ThinkPad

Lenovo completed the ThinkPad brand acquisition in May 2005. As part of the deal, select ThinkPads continued to be sold under the IBM ThinkPad brand for years afterwards.

ThinkPads sorted by time of appearance

ThinkPad model	release year	special characteristics
2005
X41 Tablet	Jun 2005	Convertible Tablet PC
Z60m	Sep 2005	Widescreen; First SATA ThinkPad
Z60t	Sep 2005	Widescreen
R51e	Sep 2005
2006
T60	Jan 2006
X60	Jan 2006
X60s	Jan 2006
T60p	Feb 2006
R60	May 2006
R60e	May 2006
Z61e	May 2006	Widescreen
Z61m	May 2006	Widescreen
Z61t	May 2006	Widescreen
Z61p	Jul 2006	Widescreen
G50	Jul 2006
R60i	Nov 2006
X60 Tablet	Nov 2006	Convertible Tablet PC
2007
R61, R61i	May 2007	Widescreen (some models); Full Disk Encryption
T61 ([1])	May 2007	Widescreen (some models); Full Disk Encryption
T61p	May 2007	Widescreen (some models); Full Disk Encryption
X61	May 2007
X61s	May 2007
X61 Tablet	May 2007	Convertible Tablet PC
R61e, R61i	Jul 2007	Widescreen
2008
X300	Feb 2008
T400	Jul 2008
T500	Jul 2008
X200	Jul 2008
R400, R500	Aug 2008
SL400, SL500	Jul 2008
SL300	Aug 2008
W500	Aug 2008
W700	Aug 2008
X301	Aug 2008
W700ds	Dec 2008
X200s	Dec 2008
2009
X200 Tablet	Apr 2009	Convertible Tablet PC
T400s	Jun 2009
SL400c, SL500c	Aug 2009
SL410, SL510, L410, L510	Oct 2009
2010
Edge 13"	Jan 2010
W510	Jan 2010
T410, T410i, T410s	Jan 2010
T510, T510i	Jan 2010
X100e	Jan 2010
T410si	Feb 2010
W701, W701ds	Feb 2010
X201, X201i, X201s	Feb 2010
X201 Tablet	Feb 2010	Convertible Tablet PC
Edge 14", Edge 15"	Mar 2010
L412, L512	Apr 2010
2011
X120e	Mar 2011
T420, T420s, T520	Feb 2011
W520	Feb 2011
L420, L520	Feb 2011
T420i, T520i	Mar 2011
E420, E520	Mar 2011
E220	Apr 2011
X220	Apr 2011
X220 Tablet	Apr 2011
X1	May 2011
E420s	May 2011
E425, E525	Aug 2011
Tablet	Aug 2011
X121e	Oct 2011
2012
E130, E330, E430, E530	Apr 2012
E135, E335, E435, E535	Apr 2012
S430	Apr 2012
T430, T430s, T530	Jun 2012
W530	Jun 2012
L430, L530	Jun 2012
X230, X230 Tablet	Jun 2012
X1 Carbon	Aug 2012
T430u	Aug 2012
Twist	Nov 2012
2013
Tablet 2	Jan 2013
Helix	Jan 2013
X230s	Jun 2013
X240s	Aug 2013
E440, E540	Sep 2013
L440, L540	Sep 2013
S440, S540	Sep 2013
T440, T440s, T440p, T540, T540p	Sep 2013
W540	Sep 2013
X240	Sep 2013
2014
X1 Carbon	Jan 2014
2015
T450, T450s, T550	Jan 2015
2016
T460, T460s, T560	Jan 2016
2017
T470, T470s, T570	Jan 2017
2018
T480, T480s, T580	Jan 2018
2019
X1 Carbon	Jan 2019