Lenovo ThinkCentre M55 8811 - Pentium D 945 3.4 GHz - Monitor : none. Series Specifications

General

  • Packaged Quantity
    1
  • Windows Vista Certification
    Windows Vista Capable
  • Product Form Factor
    Tower
  • Built-in Devices
    speaker
  • Embedded Security
    Trusted Platform Module (TPM 1.2) Security Chip
  • Colour
    business black
  • Manufacturer
    Lenovo

Processor / Chipset

  • CPU
    Intel Pentium D 945 / 3.4 GHz
  • Number of Cores
    Dual-Core
  • 64-bit Computing
    Yes
  • Data Bus Speed
    800 MHz
  • Chipset Type
    Intel Q965 Express
  • Processor Socket
    LGA775 Socket

Cache Memory

  • Installed Size
    L2 cache - 4 MB
  • Cache Per Processor
    4 MB ( 2 x 2 MB )

Memory

  • Max Supported Size
    8 GB
  • Form Factor
    DIMM 240-pin

RAM

  • Installed Size
    512 MB / 8 GB (max)
  • Technology
    DDR2 SDRAM - non-ECC
  • Memory Speed
    667 MHz
  • Memory Specification Compliance
    PC2-5300
  • Features
    dual channel memory architecture, unbuffered
  • Configuration Features
    1 x 512 MB

Storage

  • Interface Type
    Serial ATA-300
  • Type
    none
  • Read Speed
    16x

Environmental Parameters

  • Humidity Range Operating
    10 - 80%
  • Sound Emission
    29 dBA

Hard Drive

  • Interface Type
    SATA 3Gb/s
  • Spindle Speed
    7200 rpm
  • Features
    vibration dampening

Audio & Video

  • Memory Allocation Technology
    Dynamic Video Memory Technology 4.0
  • Max Allocated RAM Size
    256 MB

Storage Controller

  • Interface Type
    Serial ATA-300
  • Channel Qty
    5

Input

  • Type
    keyboard, mouse

Processor

  • Installed Qty
    1
  • Max Supported Qty
    1

Floppy Drive

  • Type
    none

Monitor

  • Monitor Type
    None.

Miscellaneous

  • Colour
    business black
  • Features
    USB port control, security lock slot (cable lock sold separately), serial port I/O control, thermal monitoring, voltage monitoring, administrator password, boot sequence control, boot without keyboard or mouse, diskette I/O control, fan speed monitoring, hard drive password, parallel port I/O control, power-on password
  • Windows Vista Certification
    Windows Vista Capable
  • Compliant Standards
    ACPI 2.3, JEITA, NOM, Plug and Play, SABS, SASO, TUV GS, UL, VCCI Class B ITE, cUL, BSMI CNS 13438 Class B, C-Tick, CB, CCC, FCC Part 15 B, GOST, IRAM, ISO 9241-3

Networking

  • Data Link Protocol
    Ethernet, Fast Ethernet, Gigabit Ethernet
  • Remote Management Protocol
    DMI 2.0
  • Form Factor
    integrated
  • Interface (Bus) Type
    PCI Express x1
  • Ethernet Controller(s)
    Broadcom BCM5755
  • Features
    Wake on LAN (WoL), ACPI support

Dimensions & Weight

  • Width
    7 in
  • Depth
    17.7 in
  • Height
    17 in

Graphics Controller

  • Form Factor
    integrated
  • Graphics Processor
    Intel GMA 3000 Dynamic Video Memory Technology 4.0
  • Video Interfaces
    VGA

Manufacturer Warranty

  • Type
    3 years warranty

Audio Output

  • Form Factor
    integrated
  • Compliant Standards
    High Definition Audio, SoundMAX

Printer

  • Type
    none

Keyboard

  • Keyboard Name
    Preferred Pro Full-size
  • Interface
    USB

Environmental Standards

  • ENERGY STAR Qualified
    Yes

Mouse

  • Technology
    optical
  • Interface
    USB
  • Features
    scroll

Physical Characteristics

  • Form Factor
    tower
  • Weight
    27.6 lbs

Power

  • Type
    power supply
  • Min Operating Temperature
    50 °F
  • Max Operating Temperature
    95 °F

Operating System / Software

  • OS Provided: Type
    Microsoft Windows XP Professional
  • OS Certified
    IBM PC DOS 2000, Microsoft Windows 2000 Professional, Microsoft Windows XP Home Edition, Microsoft Windows XP Professional
  • Type
    Adobe Acrobat Reader, Symantec Client Security (with 90 days of updates) (OEM), ThinkVantage Client Security Software, ThinkVantage Productivity Center, ThinkVantage Rescue and Recovery, ThinkVantage System Update, Diskeeper Lite, Google Desktop, Google Picasa, Google Toolbar, Lotus Notes Stand-alone Client license, Lotus SmartSuite Millennium license, PC Doctor, Sun Java Runtime Environment
  • OS Provided
    Microsoft Windows XP Professional

General

  • Manufacturer
    Lenovo