Lenovo ThinkCentre A55 8705 - P4 631 3 GHz

General

• Type Personal computer
• Windows Vista Certification Windows Vista Premium Ready
• Product Form Factor Tower
• Built-in Devices Speaker
• Width 6.9 in
• Depth 17.3 in
• Height 15.8 in
• Weight 22.0 lbs
• Color Business black
• Desktop type Budget desktop system

Processor

• Type Intel Pentium 4 631 / 3.0 GHz
• 64-bit processor Yes
• Installed Qty 1.0
• Max processors supported 1.0
• Processor main features Intel Execute Disable Bit , Enhanced Intel SpeedStep Technology , Hyper-Threading Technology , Intel Extended Memory 64 Technology

Cache Memory

• Type L2 cache
• Installed Size 2.0 MB
• Cache Per Processor 2 MB

Mainboard

• Chipset type Intel 946GZ Express
• Data bus speed 800.0 MHz

RAM

• Installed Size 1.0 GB / 4.0 GB (max)
• Technology DDR2 SDRAM - Non-ECC
• Memory speed 533.0 MHz
• Memory specification compliance PC2-4200
• RAM form factor DIMM 240-pin
• RAM features Unbuffered , Two DDR channels
• RAM configuration features 2 x 512 MB

Environmental Parameters

• Environmental standards EPA Energy Star
• Min operating temperature 50.0 °F
• Max operating temperature 95.0 °F
• Operating humidity range 10 - 80%
• Sound emission 29.0 dBA

Storage Controller

• Type 1.0 x Serial ATA - Integrated
• Controller interface type Serial ATA-300
• Storage controller interface channel qty 2.0

Storage Controller (2nd)

• Type 1 x IDE - Integrated
• (2nd) storage controller interface type ATA-100
• :Controller Interface Type:Channel Qty 1

Storage

• Floppy drive type None
• Hard Drive 1.0 x 80.0 GB - Standard - Serial ATA-300 - 7200.0 rpm - Vibration dampening
• Hard Drive (2nd) None
• Hard Drive (3rd) None

Optical Storage

• Type DVD-ROM - IDE
• CD / DVD read speed 48x (CD) / 16x (DVD)

Optical Storage (2nd)

• Type None

Storage Removable

• Type None

Monitor

• Monitor Type None.

Graphics Controller

• Type Integrated
• Graphics Processor / Vendor Intel GMA 3000
• Video Memory Dynamic Video Memory Technology 4.0
• Max Allocated RAM Size 256.0 MB

Audio Output

• Type Sound card - Integrated
• Audio output compliant standards SoundMAX , High Definition Audio
• Speaker(s) None

Keyboard

• Keyboard name Preferred Pro Full-size
• Keyboard interface PS/2

Input Device

• Type Keyboard , Mouse

Mouse

• Mouse technology Optical
• Mouse interface USB
• Mouse features Scroll

Telecom

• Modem None

Audio Input

• Type None

Networking

• Networking Network adapter - PCI Express x1 - Integrated
• Ethernet Controller(s) Broadcom BCM5786
• Data Link Protocol Fast Ethernet , Ethernet , Gigabit Ethernet
• Remote Management Protocol DMI 2.0
• Features Wake on LAN (WoL) , ACPI support
• Compliant Standards IEEE 802.3

Expansion / Connectivity

• Expansion Bays Total (Free) 2.0 ( 1.0 ) x Internal - 3.5" x 1/3H , 1.0 ( 0.0 ) x Front accessible - 3.5" x 1/3H , 1.0 ( 1.0 ) x Front accessible - 5.25" x 1/2H
• Expansion Slots Total (Free) 2.0 ( 0.0 ) x Memory - Half-length, full-height , 1.0 ( 0.0 ) x PCI - Half-length, full-height , 2.0 ( 2.0 ) x PCI Express x16 - Half-length, full-height , 1.0 ( 1.0 ) x Processor - DIMM 240-pin , 1.0 ( 1.0 ) x PCI Express x1 - LGA775 Socket
• Interfaces 1.0 x Parallel - VGA - Mini-phone mono 3.5 mm ( 1 in front ) , 1.0 x Network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45 ( 1 in front ) , 6.0 x Serial - Input - 9 pin D-Sub (DB-9) ( 2 in front ) , 1.0 x Hi-Speed USB - Line-out - 15 pin HD D-Sub (HD-15) , 1.0 x Audio - Line-in - 6 pin mini-DIN (PS/2 style) , 1.0 x Headphones - RS-232 - Mini-phone stereo 3.5 mm , 1.0 x Audio - IEEE 1284 (EPP/ECP) - Mini-phone stereo 3.5 mm , 1.0 x Keyboard - Generic - 6 pin mini-DIN (PS/2 style) , 1.0 x Mouse - Output - Mini-phone stereo 3.5 mm , 1.0 x Microphone - Generic - 4 pin USB Type A , 1.0 x Display / video - 25 pin D-Sub (DB-25)

Printer

• Type None

Miscellaneous

• Features Serial port I/O control , Diskette I/O control , Hard drive password , Power-on password , USB port control , Parallel port I/O control , Security lock slot (cable lock sold separately) , Boot without keyboard or mouse , Boot sequence control , Administrator password
• Compliant Standards SABS , NOM , ISO 9241-3 , CCC , cUL , IRAM , TUV GS , BSMI CNS 13438 Class B , ACPI 2.3 , SASO , VCCI Class B ITE , GOST , UL , FCC Part 15 B , CE , C-Tick , CB
• Manufacturer Selling Program TopSeller

Power

• Power device type Power supply
• Voltage Required AC 120/230 V
• Power provided 280.0 Watt

Operating System / Software

• OS Provided Microsoft Windows Vista , Microsoft Windows Vista Business
• Microsoft Office Ready Includes a preinstalled image of select 2007 Microsoft Office suites. Purchase a Medialess License Kit (MLK) to activate the software.
• OS Certified Microsoft Windows Vista Home Basic , Microsoft Windows XP Professional , Microsoft Windows Vista Business

Manufacturer Warranty

• Service & Support 1 year warranty
• Service & Support Details Limited warranty - Parts and labor - 1 year - On-site

Sustainability

• EPA Energy Star Compliant Yes

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