Lenovo recommends Windows Vista™ Business.
Proce ssor
Intel® Pentium® D Proce ssor, Intel Pe ntium 4
Processor with HT Technology or Intel® Celeron®
D Processor
Prelo aded oper ating system
3
Genuine Windows Vista™ Business 32
Genuine Windows Vista Home Basic 32
Genuine Windows® XP Professiona l
Genuine Windows XP Ho me
Vide o graphic s (integrated )
Intel Graphics Media Accelerator 3000,
PCI Express 16-lane graphics slot* ( full height)
Core chipset
Intel 946GZ Express
Memory4/max capacity
5
DDR 667MHz (PC2-5300 ) or
DDR 533MHz (PC2-4200 )/4.0GB
Hard disk drive
6
80GB, 160GB, 250GB or
500GB (7200rpm) Serial ATA
Optical drive (full-size)
CD-ROM, DVD-ROM, CD-RW/DVD -ROM Combo or
Multi-Burner Plus
Audio (integrated)
AD 1986 HD;
Rear audio: line in, line ou t
Front audio: mic in, headphone out
Internal speaker
Secu rity features
Client Secur ity Solution (software )
Connectivity (integrated)
Intel PRO/1000 Gigabit Ethernet
Expa nsio n
4 slots ( full height) x 4 bays
Dimension s
402x175x440mm (15.8x6.9x17.3")
Port s
6 USB 2.0 (2 front-access ), 1 serial (second serial
option), 1 parallel, PS/2® mouse/keyboard, VGA
Keyboa rd (varies by model)
Preferre d Pro USB Full Size Keyboard7, Preferred
Pro USB Fingerprint Keyboard, Preferred Pro PS/ 2
Full Size Keyboard, Enhanced Performance USB
Keyboard or Enhanced Performance Wireless
Keyboard and Mouse
Mouse (varies by model)
USB Optical Wheel Mouse (400DPI )
USB ScrollPoint® Optical Mouse (800DPI )
PS/2 2 Button Ball Mouse
PS/2 Optical Wheel Mouse
Visit thin kcent re.co m for more information and
details by model.
Outstanding value comes standard.
Your choice of technologies, like the Intel 946GZ Express chipset for faster performance and new
Intel Dual Core Processors for multitasking and multimedia, make the ThinkCentre A55 desktop the
perfect solution. Easily configured to your needs, ThinkCentre A55 models suit the way you work,
right out of the box. Steel chassis with toolless access simplify service. And a choice of warranty
options1 means you’re covered by international warranty ser vice2 when and where you need it.
Plus, TopSeller models have been designed and priced with small and medium businesses in mind.
Select models come preloaded with Genuine Windows Vista™ and are Microsoft® Office ready for
the 2007 Microsoft Office Business Suites. ThinkCentre A55 desktops are products of Lenovo, a
global company incorporating the former IBM PC Division. Find out more at lenovo.com
ThinkCentre A55 Family specifications
IF IT MADE COFFEE, YOU’D NEVER LEAVE THE OFFICE.
A55 Towe r Machine Type: 8705
Proce ssor
Intel Pentium D Processor, Intel Pe ntium 4 Processor
with HT Technology or Intel Celeron D Processor
Prelo aded oper ating system
Genuine Windows Vista Business 32
Vide o graphic s (integrated )
Intel Graphics Media Accelerator 3000
Core chipset
Intel 946GZ Express
Memory/max capacity
DDR 667 MHz (PC2-5300 ) or
DDR 533 MHz (PC2-4200) /4GB
Hard disk drive
80GB, 160GB, 250GB or
500GB (7200 rpm) Serial ATA
Optical drive (full-size)
CD-ROM, DVD-ROM, DVD/CD-RW
Combo or DVD Recordable
Audio (integrated)
AD 1986 HD;
Rear audio: line in, line ou t,
Front audio: mic in, headphone out
Internal speaker
Secu rity features
Client Secur ity Solution (Software)
Connectivity (integrated)
Gigabit
Expa nsio n
2 slots x 3 bays
Dimension s
87.5x310x358mm (3.3x12.2x14.1")
Port s
6 USB 2.0 (2 front-access ), 1 serial (second serial
optional), 1 parallel, PS/2 mouse/keyb oard, VGA
Keyboa rd
Preferre d Pro PS/2 Full Size Keyboard, Preferred
Pro USB Full Size Keyboard, Preferred Pro USB
Finger print Keyboard, Enhanced Performa nce
USB Keyboard or Enhanced Performance Wireless
Keyboard and Mouse
Mouse (varies by model)
USB Optical Wheel Mouse (400DPI )
USB ScrollPoint Optical Mouse (800DPI )
A55 Small Form Factor: 9636