Starting in 2006, the first models in X6x series were X60, lighter and smaller X60s and X60 Tablet (the two with slower CPU). These models featured Intel Core CPUs, later Core 2.
Later, X61, X61s and X61 Tablet appeared. These ThinkPads are now migrated to the new Santa Rosa chipset, in addition to the existing Intel Core 2 (Merom) platform and has some design improvements. The X61 features full-blown Core 2 Duo processors, X61s and X61 Tablet can be configured only with low-voltage variants. In many benchmarks, the X61 proved, that it can be as fast as ThinkPad T61 with same configuration.
Unlike T61 and R61, the X61 series aren't available with widescreen display option. X6x series ThinkPads fit in the UltraBase X6, while X6x Tablets fit in X6 Tablet UltraBase docking stations.
 IBM/Lenovo Thinkpad X61 Tablet PC - NEW!  US $999.00
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 @NEW@ IBM LENOVO ThinkPad X61 CORE 2 DUO 1.6GHz TABLET US $950.00
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 Lenovo ThinkPad X61 Tablet L7500 12.1"XGA TouchScreen US $1,339.00
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 Lenovo ThinkPad X61 Tablet L7700 12.1"XGA TouchScreen US $1,359.00
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 Lenovo ThinkPad X61 Tablet L7700 1.8GHz 160GB 12.1"XGA US $1,239.00
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 New IBM Lenovo X61 Laptop, weighs 3.3lbs w/Office 2007 US $1,700.00
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 IBM Lenovo X61 Centrino Duo Tablet Notebook PC w/ Dock US $1,195.99
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 NEW Lenovo IBM ThinkPad X61 Tablet Series L7500 LV US $1,599.00
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 New! Lenovo IBM Thinkpad X61 X61S 1GB 120GB 1.6GHz US $645.00
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 Lenovo (IBM) ThinkPad X60 Tablet US $1,000.00
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 Thinkpad X61 with X6 Ultrabase and CD-RW/DVD US $737.00
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 Lenovo ThinkPad X61 2.1GHz 160GB 3GB 802.11AGN VISTA US $975.00
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 IBM Lenovo ThinkPad X61T X61 Tablet L7500 US $1,399.00
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 IBM Lenovo ThinkPad X61T X61 Tablet L7700 Touchscreen US $1,499.00
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 IBM Lenovo ThinkPad X61T X61 Tablet L7700 US $1,399.00
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 Lenovo Thinkpad X61 Laptop Core 2 Duo 1.8 GHz T7100 512 US $499.00
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 IBM Lenovo Thinkpad X61 Tablet 100GB VERIZON WWAN, NEW! US $1,289.00
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 Thinkpad X60 Fully Loaded (NR) US $1,200.00
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 IBM Lenovo Thinkpad X61 tablet Core 2 Duo 12.1" , New US $1,150.00
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 Lenovo ThinkPad X61 Tablet L7500 Bluetooth Fingerprint US $999.99
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 Brand new X61 tablet, NIB US $999.00
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 New IBM Lenovo Thinkpad Laptop X61 X61S L7500 BT FPR 8C US $839.00
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 Lenovo ThinkPad X61 Tablet w/ 3yr warranty US $999.00
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 NEW Lenovo IBM Thinkpad X61 Tablet notebook laptop US $840.00
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 NEW IBM THINKPAD X61 TABLET 4GB 320GB DVD-RW WARR 06/11 US $1,599.00
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 IBM Lenovo X61 Tablet with Extra US $265.00
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 NEW IBM THINKPAD X60 4GB 250GB 7200 LAPTOP WARR 04/10 US $1,349.00
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 Lenovo X61 Core 2 Duo 2.2GHz/2GB ram/200GB HD 7200rpm US $744.00
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 NEW Lenovo ThinkPad X61 Tablet PC 776295U US $1,971.99
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 NEW IBM Laptop Thinkpad Lenovo X61 Tablet LOADED US $1,132.98
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 New! IBM Lenovo ThinkPad X61 Tablet PC laptop L7500 LV US $1,049.95
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 IBM Lenovo ThinkPad X61 T8100 2.1G 3G 100G BT FPR US $999.00
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 MINT IBM X61 2.0/2GB/80GB/XP PRO/12.1"/BLUETOOTH/8 CELL US $849.99
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 Lenovo Thinkpad X60,X61 DC Power Jack,NEW,93P4367 US $12.99
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 NEW Lenovo ThinkPad X61 Tablet PC 776258U US $2,076.99
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 NEW Lenovo ThinkPad X61 Tablet PC 776254U US $1,928.99
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 Brand New Lenovo IBM ThinkPad X60T Tablet Laptop X60 PC US $1,199.99
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 New Sealed Lenovo ThinkPad X61 Tablet L7500 12.1" XGA US $1,099.95
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 IBM/LENOVO X61 LAPTOP-2 GHZ. CORE 2 DUO-120 GB-1 GB US $1,039.00
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 IBM/LENOVO X60 CONVERTIBLE TABLET PC-1.83 GHZ. CORE DUO US $1,175.00
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 *New* IBM ThinkPad X60T X60 Tablet+X6 Dock w/ DVD+2Yr US $1,499.99
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