
Lenovo recommendsWindows®XP Professional.
Processor
Intel®CoreTM 2DuoProcessoror
Intel®Pentium®DProcessor or
IntelPentium 4withHTTechnology or
Intel®Celeron®Processor
Preloadedoperatingsystem2
GenuineWindows®XPProfessional
Video graphics (integrated)*
IntelGraphics MediaAccelerator 3000,
PCI Express 16-lanegraphicsslot
Corechipset
Intel Q965 Express
Memory3/maxcapacity4
DDR800MHz(PC2-6400)
DDR66MHz(PC2-5300)
DDR533MHz(PC2-4200)/8GB
Harddiskdrive5
40GB, 80GB, 160GB,
250GBor500GB (7200rpm) SerialATA
Opticaldrive(full-size)
CD-ROM,DVD-ROM, DVD/CD-RWComboor
DVD-RW/CD-RWCombo
Audio (integrated)
AD1983HD
Rearaudio:linein,lineout
Frontaudio: mic in,headphoneout
Internalspeaker(selectmodels)
Externalspeakers(selectmodels)
Securityfeatures
Client Security Solution with security chip (standard)
PreferredProUSBFingerprint Keyboard
(select models)
Connectivity(integrated)
BroadCom1000
Expansion
4slots x 5bays
Dimensions
492x175x450mm (19.4x6.9x17.7")
Ports
10USB 2.0(2front,8 back), 1 serial, 1parallel,VGA
Keyboard
PreferredProFull-sizeKeyboard(USB)
EnhancedPerformanceKeyboard(USBw/Hub)
PreferredProFingerprint Keyboard (USB)
Mouse(variesbymodel)
USB Optical WheelMouse (400dpi)
USB ScrollPoint®OpticalMouse(800dpi)
Visitthinkcentre.comfor moreinformation and
detailsbymodel.
Meet your anytime, anywhere, anything-is-possible desktop.
The ThinkCentre M55 is designed to maximize productivity and minimize cost within your large
enterprise. It can ease even the most complex deployments with 18 months of image stability
and a host of manageability features that can reduce IT support costs over their entire life cycle.
All models are equipped with your choice of fast Intel®processors and a variety of ports, slots
and bays for easy expansion. The ThinkCentre M55 is now a product of Lenovo, a new global
company uniting Lenovo and the former IBM PC Division under the Lenovo name. Learn more
at lenovo.com
ThinkCentre M55 specifications
GOES ALMOST ANYWHERE. INCLUDING ACROSS THE GLOBE.
Processor
IntelCore2 DuoProcessoror
Intel Pentium D Processor or
IntelPentium 4with HTTechnology or
Intel CeleronProcessor
Preloaded operating system
GenuineWindowsXPProfessional
Video graphics (integrated)*
IntelGraphics Media Accelerator3000,
PCI Express 16-lanegraphicsslot
Corechipset
Intel Q965 Express
Memory/maxcapacity
DDR800MHz(PC2-6400)
DDR667MHz(PC2-5300)
DDR533MHz(PC2-4200)/8GB
Harddiskdrive
40GB, 80GB, 160GB,250GB or
500GB(7200rpm)SerialATA
Optical drive (full-size)
CD-ROM,DVD-ROM, DVD/CD-RWComboor
DVD-RW/CD-RWCombo
Audio (integrated)
AD1983HD
Rearaudio:linein,lineout
Frontaudio: mic in,headphoneout
Internalspeaker(selectmodels)
Externalspeakers(selectmodels)
Securityfeatures
Client Security Solution with security chip (standard)
PreferredProUSBFingerprint Keyboard
(select models)
Connectivity(integrated)
BroadCom1000
Expansion
3slots x 3bays
Dimensions
108x350x385mm(4.2x13.8x15.2")
Ports
10USB 2.0(2front,8 back), 1 serial, 1parallel,VGA
Keyboard
PreferredProFull-sizeKeyboard (USB)
EnhancedPerformanceKeyboard(USBw/Hub)
PreferredProFingerprint Keyboard (USB)
Mouse(variesbymodel)
USB Optical WheelMouse (400dpi)
USB ScrollPointOpticalMouse(800dpi)
Visitthinkcentre.comfor moreinformation and
detailsbymodel.
M55Tower:8012,8794,8798,8802,8806, 8811,
or8816 M55Desktop:8011,8793,8797,8801, 8805,8810,
or8814 M55 SFF:8010,8792,8796,8800,8804,8808,or8813
Processor
IntelCore2 DuoProcessoror
Intel Pentium D Processor or
IntelPentium 4with HTTechnology or
Intel CeleronProcessor
Preloadedoperatingsystem
GenuineWindowsXPProfessional
Video graphics (integrated)*
IntelGraphics MediaAccelerator 3000,
Corechipset
Intel Q963 Express
Memory/maxcapacity
DDR2667MHz(PC2-5300)or
DDR2533MHz(PC2-4200)/4GB
Harddiskdrive
40GB, 80GB, 160GB,250GB or
500GB(7200rpm)SerialATA
Optical drive (full-size)
CD-ROM,DVD-ROM, DVD/CD-RWComboor
DVD-RW/CD-RWCombo
Audio (integrated)
AD1983HD
Rearaudio:linein,lineout
Frontaudio: mic in,headphoneout
Internalspeaker(selectmodels)
Externalspeakers(selectmodels)
Connectivity(integrated)
BroadCom1000
Expansion
2slots x 3bays
Dimensions
88x310x358mm(3.4x12.2x14.1")
Ports
8USB2.0(2 front, 6back), 1serial,1parallel, VGA
Keyboard
PreferredProFull-sizeKeyboard (USB)
EnhancedPerformanceKeyboard(USBw/Hub)
PreferredProFingerprint Keyboard(USB)
Mouse(variesbymodel)
USB Optical WheelMouse (400dpi)
USB ScrollPointOpticalMouse(800dpi)
Visitthinkcentre.comfor moreinformation and
detailsbymodel.