Lenovo recommends Windows
®
XP Professional.
Processor
Intel
®
Core
TM
2 Duo Processor or
Intel
®
Pentium
®
D Processor or
Intel Pentium 4 with HT Technology or
Intel
®
Celeron
®
Processor
Preloaded operating system
2
Genuine Windows
®
XP Professional
Video graphics (integrated)*
Intel Graphics Media Accelerator 3000,
PCI Express 16-lane graphics slot
Core chipset
Intel Q965 Express
Memory
3
/max capacity
4
DDR 800MHz (PC2-6400)
DDR 66MHz (PC2-5300)
DDR 533MHz (PC2-4200)/8GB
Hard disk drive
5
40GB, 80GB, 160GB,
250GB or 500GB (7200rpm) Serial ATA
Optical drive (full-size)
CD-ROM, DVD-ROM, DVD/CD-RW Combo or
DVD-RW/CD-RW Combo
Audio (integrated)
AD 1983 HD
Rear audio: line in, line out
Front audio: mic in, headphone out
Internal speaker (select models)
External speakers (select models)
Security features
Client Security Solution with security chip (standard)
Preferred Pro USB Fingerprint Keyboard
(select models)
Connectivity (integrated)
BroadCom 1000
Expansion
4 slots x 5 bays
Dimensions
492x175x450mm (19.4x6.9x17.7")
Ports
10 USB 2.0 (2 front, 8 back), 1 serial, 1 parallel, VGA
Keyboard
Preferred Pro Full-size Keyboard (USB)
Enhanced Performance Keyboard (USB w/Hub)
Preferred Pro Fingerprint Keyboard (USB)
Mouse (varies by model)
USB Optical Wheel Mouse (400dpi)
USB ScrollPoint
®
Optical Mouse (800dpi)
Visit thinkcentre.com for more information and
details by model.
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
Intel Core 2 Duo Processor or
Intel Pentium D Processor or
Intel Pentium 4 with HT Technology or
Intel Celeron Processor
Preloaded operating system
Genuine Windows XP Professional
Video graphics (integrated)*
Intel Graphics Media Accelerator 3000,
PCI Express 16-lane graphics slot
Core chipset
Intel Q965 Express
Memory/max capacity
DDR 800MHz (PC2-6400)
DDR 667MHz (PC2-5300)
DDR 533MHz (PC2-4200)/8GB
Hard disk drive
40GB, 80GB, 160GB, 250GB or
500GB (7200rpm) Serial ATA
Optical drive (full-size)
CD-ROM, DVD-ROM, DVD/CD-RW Combo or
DVD-RW/CD-RW Combo
Audio (integrated)
AD 1983 HD
Rear audio: line in, line out
Front audio: mic in, headphone out
Internal speaker (select models)
External speakers (select models)
Security features
Client Security Solution with security chip (standard)
Preferred Pro USB Fingerprint Keyboard
(select models)
Connectivity (integrated)
BroadCom 1000
Expansion
3 slots x 3 bays
Dimensions
108x350x385mm (4.2x13.8x15.2")
Ports
10 USB 2.0 (2 front, 8 back), 1 serial, 1 parallel, VGA
Keyboard
Preferred Pro Full-size Keyboard (USB)
Enhanced Performance Keyboard (USB w/Hub)
Preferred Pro Fingerprint Keyboard (USB)
Mouse (varies by model)
USB Optical Wheel Mouse (400dpi)
USB ScrollPoint Optical Mouse (800dpi)
Visit thinkcentre.com for more information and
details by model.
M55 Tower: 8012,8794,8798,8802,8806, 8811,
or 8816
M55 Desktop:8011,8793,8797,8801, 8805, 8810,
or 8814
M55 SFF:8010,8792,8796,8800,8804,8808, or 8813
Processor
Intel Core 2 Duo Processor or
Intel Pentium D Processor or
Intel Pentium 4 with HT Technology or
Intel Celeron Processor
Preloaded operating system
Genuine Windows XP Professional
Video graphics (integrated)*
Intel Graphics Media Accelerator 3000,
Core chipset
Intel Q963 Express
Memory/max capacity
DDR2 667MHz (PC2-5300) or
DDR2 533MHz (PC2-4200)/4GB
Hard disk drive
40GB, 80GB, 160GB, 250GB or
500GB (7200rpm) Serial ATA
Optical drive (full-size)
CD-ROM, DVD-ROM, DVD/CD-RW Combo or
DVD-RW/CD-RW Combo
Audio (integrated)
AD 1983 HD
Rear audio: line in, line out
Front audio: mic in, headphone out
Internal speaker (select models)
External speakers (select models)
Connectivity (integrated)
BroadCom 1000
Expansion
2 slots x 3 bays
Dimensions
88x310x358mm (3.4x12.2x14.1")
Ports
8 USB 2.0 (2 front, 6 back), 1 serial, 1 parallel, VGA
Keyboard
Preferred Pro Full-size Keyboard (USB)
Enhanced Performance Keyboard (USB w/Hub)
Preferred Pro Fingerprint Keyboard (USB)
Mouse (varies by model)
USB Optical Wheel Mouse (400dpi)
USB ScrollPoint Optical Mouse (800dpi)
Visit thinkcentre.com for more information and
details by model.