
65-watt AC Adapter 
ENERGY STAR®5.0-compliant
ROHS-compliant
International Warranty Service17
24 hour x 7 day18 toll-free support 
 during the warranty period12
 via 800-426-7378
ThinkPad Ultrabase Series 3 
•Provides desktop expansion and 
 cable management for X220 and 
 X220 Tablet
•Easily connects to the bottom of the 
 X220 or X220 Tablet for traveling
•Converts ThinkPad to a two-spindle 
 system with optional Ultrabay Slim 
 accessories in right side:
 − DVD-ROM Ultrabay Slim Drive II
 SATA 1.5G/s 43N3292
 −Serial ATA Hard Drive
 Bay Adapter III 43N3412
 Disks supported (some):
 •128GB 2.5" SSD II 0A33984
Other features:
•Power button (front)
•Security key lock, security keyhole
•Analog VGA DB-15 monitor port
•DisplayPort (supports single-link
 DVI-D via cable 45J7915)
•Four USB 2.0 ports 
•Gigabit ethernet (RJ-45) port 
•Microphone in and headphone out
•Requires 65W or 90W AC adapter
•1.39 lb; 630g
An ultraportable for the executive on the move; one spindle
Intel®Core™i5-2520M processor (dual-core, 2.50GHz, 3MB Cache),
DDR3 memory controller (up to 1333MHz), Intel Turbo Boost 2.0 (3.20GHz), HT technology
Intel Core i5-2540M processor (dual-core, 2.60GHz, 3MB Cache),
DDR3 memory controller (up to 1333MHz), Intel Turbo Boost 2.0 (3.30GHz), HT technology
Intel Core i7-2620M processor (dual-core, 2.70GHz, 4MB Cache),
DDR3 memory controller (up to 1333MHz), Intel Turbo Boost 2.0 (3.40GHz), HT technology
Intel Core i7-2640M processor (dual-core, 2.80GHz, 4MB Cache),
DDR3 memory controller (up to 1333MHz), Intel Turbo Boost 2.0 (3.50GHz), HT technology
8GB max7/ PC3-10600 1333MHz DDR3, non-parity, 
dual-channel capable, two 204-pin SO-DIMM sockets
Option for ThinkPad Ultrabase Series 3
Supports Ultrabay Slim devices in optional or standard 
ThinkPad Ultrabase Series 3 (0A33932)
Some: Solid State Drive (SSD) / SATA 3.0Gb/s, 2.5" wide, 7mm high 
Some: Hard Disk Drive / SATA 3.0Gb/s, 2.5" wide, 7mm high, Active Protection System™
All: removable, upgradable, Shock Mounted Hard Drive, supports the second disk
 in 
optional or
 
standard
 ThinkPad Ultrabase Series 3
None
Some: 12.5" (317.5mm) HD (1366x768) TFT color, anti-glare, LED backlight,
 200 nits, 16:9 aspect ratio, 300:1 contrast ratio
Some: (Premium) 12.5" (317.5mm) HD (1366x768) TFT color, anti-glare, LED backlight,
 300 nits, 16:9 aspect ratio, 500:1 contrast ratio, IPS, WideView (170° viewing)
Some: HD720p resolution, wider view angle, low light sensitive, fixed focus
Intel HD Graphics 3000 in processor,
external analog monitor support via VGA DB-15 connector and
digital monitor support via DisplayPort (supports single-link DVI-D via cable 45J7915);
supports dual independent display;
Maximum external resolution: 2560x1600 (DisplayPort)@60Hz; 
2048x1536 (VGA)@75Hz; 1920x1200@60Hz (single-link DVI-D via cable 45J7915)
7 row, 89-key, ThinkVantage button, spill-resistant, multimedia Fn keys
TrackPoint® pointing device, "Press-to-Select," Internet Scroll Bar13, magnifying glass 
UltraNav™, buttonless touchpad below keyboard, multi-touch
Illuminates the keyboard to improve visibility in low-light conditions
without UltraBase; 4/6-cell: 12.0" x 8.13" x 0.75-1.36"; 305mm x 206.5mm x 19.0-34.6mm 
4-cell: from 2.97 lb (1.35kg); 6-cell: from 3.31 lb (1.50kg); 9-cell: from 3.67 lb (1.67kg)
Display cover: Magnesium + PCABS; Bottom: Magnesium alloy
Lithium Ion 4-cell, 6-cell, or 9-cell, supports optional external battery (0A36280) as 2nd battery
None
4-cell: up to 4.1 hr; 6-cell: up to 9.2 hr; 9-cell: up to 13.8 hr;
external battery: up to 9.4 hr; 9-cell plus external battery: up to 23.2 hr
Mobile Intel QM67 Express Chipset
Option: ThinkPad Ultrabase Series 3 (see right side)
4-in-1 reader (SD, SDHC, SDXC, MMC)
One slot (ExpressCard/34, ExpressCard/54)
i7 model: One USB 3.0, two USB 2.0 (one powered) 
other model: Three USB 2.0 (one powered)
external monitor (VGA DB-15, DisplayPort), ethernet (RJ-45)
Two PCI Express Mini Card slots
Some: 
11a/b/g/n
, PCIe Half 
Mini Card, Intel Centrino
®
 Advanced-N 6205, 2x2
Some: 
11a/b/g/n
, PCIe Half 
Mini Card, Intel Centrino Ultimate-N 6300, 3x3
Wireless WAN upgradable
None
Bluetooth 3.0 wireless, LED indicator
Intel 82579LM Gigabit Network Connection (Lewisville), PHY, PCIe x1
Intel Active Management Technology (iAMT)
High Definition (HD) Audio, Conexant 20672 codec / stereo speakers, 1 watt x 2 / 
volume up, down, mute buttons / dual array microphone, 
combo audio/mic jack
Power-on password, hard disk password, supervisor password, security keyhole
Trusted Platform Module, TCG 1.2-compliant
UPEK Fingerprint reader on palm rest,
 swipe sensor, 
LED indicator, 
Power On Authentication, 
supports the security chip
3-years/1-year
 
battery, limited onsite service24, 8 am - 5 pm, Mon - Fri coverage
excluding holidays, next business day response time 
/ service upgrades
22
 available
Positioning
Processor
Memory
Optical
Ultrabay 
SATA disk
m S ATA ™SSD
Widescreen 
 display
Camera
Graphics
Keyboard 
TrackPoint®
Touchpad
ThinkLight™
Dimensions3
Weight2
Case material
Standard Battery
External Battery
Battery - life10
Chipset 
Ultrabase
Multicard reader
ExpressCard
Ports
PCIe Mini Card
 WLAN4
 WWAN
Modem
Bluetooth™
Ethernet
Intel AMT
Audio support
Security
Security chip
Fingerprint reader
Limited warranty12
ThinkPad®X220 (4291) - Onsite (May 2011)
4291-48U i7-2620M 4GBx1 12.5" HD Prem 160G SSD Optional Optional Intel 630028 WWAN upg Fing Blue 9vPro G P Pro 64
4291-47U i7-2620M 4GBx1 12.5" HD Prem 320G 7200 Optional Optional Intel 6300 WWAN upg Fing Blue 6 vPro G P Pro 64
4291-46U i5-2520M 4GBx1 12.5" HD 320G 7200 Optional Optional Intel 6300 WWAN upg Fing Blue 6 vPro G P Pro 64
4291-45U i7-2620M 4GBx1 12.5" HD 320G 7200 Optional Optional Intel 6300 WWAN upg Fing Blue 9vPro G P Pro 64
4291-43U i5-2520M 4GBx1 12.5" HD 720p 128G SSD Optional Optional Intel 620528 WWAN upg Fing Blue 6 vPro G P Pro 64
4291-44U i5-2520M 4GBx1 12.5" HD 720p 320G 7200 Optional Optional Intel 6205 WWAN upg Fing Blue 6 vPro G P Pro 64
4291-42U i5-2540M 4GBx1 12.5" HD Prem 128G SSD Optional Optional Intel 6300 WWAN upg Fing Blue 6 vPro G P Pro 64
4291-4XU i7-2640M 4GBx1 12.5" HD Prem 720p 320G 7200 Optional Optional Intel 6205 WWAN upg Fing Blue 9vPro G P Pro 64
Personal Systems Reference (PSREF)
© Lenovo
(DSH1-5) November 2011
See footnotes for more detailed information
US model(s) announced May 3 or October 4, 2011
Supports ThinkVantage®technologies
Type-model
Widescreen 
displayMemory
Disk
SATA
GB8 rpm 
Optical 
in
UltraBase
PCIe 
Mini Card
WWANCamera
PCIe
Mini Card
WLAN
Pre-
load
ThinkPad 
Ultrabase 
Series 3
Preloaded operating system20
- Genuine Windows®7 
 Professional 64
Ready to install applications14 (all 
OSes; only some listed)
•Rescue and Recovery™
•Access Connections™
•Fingerprint Software (fingerprint 
 models)
•Password Manager (fingerprint 
 models)
•ThinkVantage System Update
•ThinkVantage Power Manager
•ThinkVantage Toolbox
Preloaded applications14 (all OSes; 
only some listed)
•Norton™Internet Security 2011
 (30 days of virus definitions)
•Adobe®Reader®
•Skype™for Windows
•Windows Live™Essentials
• Microsoft Office 2010 preloaded; 
 purchase product key to activate
•Corel®WinDVD®(DVD±RW)
•Corel Burn.Now™Lenovo Edition 
 (DVD±RW)
•Corel DVD MovieFactory®Lenovo
 Edition (DVD±RW)
•Part of the Global Models Plus program with limited onsite service24 3-year limited warranty
•Microsoft® Office 2010 Product Key Ready (O10PKR)
Intel 
vPro
Blue-
tooth
Bat-
tery
cells
Finger
print
readerProcessor
Global
(G)
GMP (P)