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
  • Color
    business black
  • Manufacturer
    Lenovo

Cache Memory

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

Processor / Chipset

  • Number of Cores
    Dual-Core
  • 64-bit Computing
    Yes
  • CPU Qty
    1
  • Max CPU Qty
    1
  • CPU Socket
    LGA775 Socket
  • Chipset Type
    Intel Q965 Express
  • Front Side Bus
    800 MHz

RAM

  • Installed Size
    512 MB / 8 GB (max)
  • Memory Speed
    667 MHz
  • Memory Specification Compliance
    PC2-5300
  • Form Factor
    DIMM 240-pin
  • Features
    dual channel memory architecture
  • Configuration Features
    1 x 512 MB

Environmental Parameters

  • Min Operating Temperature
    50 °F
  • Max Operating Temperature
    95 °F
  • Humidity Range Operating
    10 - 80%
  • Sound Emission
    29 dBA

Hard Drive

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

Storage Controller

  • Controller Interface Type
    Serial ATA-300
  • Channel Qty
    5

Optical Storage

  • Read Speed
    16x

Floppy Drive

  • Type
    none

Monitor

  • Monitor Type
    None.

Graphics Controller

  • Type
    integrated
  • Graphics Processor
    Intel GMA 3000 Dynamic Video Memory Technology 4.0
  • Max Allocated RAM Size
    256 MB
  • Video Interfaces
    VGA

Input Device

  • Type
    mouse

Audio Output

  • Type
    integrated
  • Compliant Standards
    High Definition Audio

Keyboard

  • Keyboard Name
    Preferred Pro Full-size
  • Interface
    USB

Mouse

  • Technology
    optical
  • Interface
    USB
  • Features
    scroll

Networking

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

Printer

  • Type
    none

Miscellaneous

  • Features
    hard drive password
  • Compliant Standards
    cUL

Expansion / Connectivity

  • Slots
    1 (total) / 0 (free) x CPU
    4 (total) / 3 (free) x DIMM 240-pin
    1 (total) / 1 (free) x PCIe x16 - full-length, full-height
    1 (total) / 1 (free) x PCIe x1 - full-length, full-height
    2 (total) / 2 (free) x PCI - full-length, full-height

Power

  • Device Type
    power supply
  • Nominal Voltage
    AC 120/230 V ( 50/60 Hz )
  • Power Provided
    310 Watt

Operating System / Software

  • OS Provided
    Microsoft Windows XP Professional
  • OS Certified
    Microsoft Windows 2000 Professional
  • Software
    Google Toolbar

Environmental Standards

  • ENERGY STAR Qualified
    Yes

Dimensions & Weight

  • Width
    7 in
  • Depth
    17.7 in
  • Height
    17 in
  • Weight
    27.6 lbs

Manufacturer Warranty

  • Service & Support
    3 years warranty

Sustainability

  • ENERGY STAR Qualified
    Yes

General

  • Manufacturer
    Lenovo