Lenovo IdeaCentre B540 25681JU Black 2nd Generation Intel Core i5-2400S Processor specs (2.50GHz 1333MHz 6MB)

General

• Desktop type All-in-one desktop system,
  Monitor included,
  Gaming system
• Packaged Quantity 1.0
• Type Personal computer
• Product Form Factor All-in-one
• Built-in Devices Stereo speakers
• Color Silver
• Localization English

Processor / Chipset

• Type Intel 2nd Gen Core i5 2 i5-2400S / 2.5 GHz
• Max Turbo Speed 3.3 GHz
• Number of Cores Quad-Core
• 64-bit Computing Yes
• CPU Qty 1.0
• Max CPU Qty 1.0
• Processor Main Features Intel Extended Memory 64 Technology,
  Intel Turbo Boost Technology 2
• CPU Socket LGA1155 Socket
• Chipset Type Intel H61 Express

Cache Memory

• Installed Size 6.0 MB
• Cache Per Processor 6 MB

RAM

• Installed Size 8.0 GB / 8.0 GB (max)
• Technology DDR3 SDRAM
• Memory Speed 1333.0 MHz
• Memory Specification Compliance PC3-12800
• Form Factor SO DIMM 204-pin
• Features Dual channel memory architecture
• Configuration Features 2 x 4 GB

Hard Drive

• Type HDD
• Capacity 1.0 x 1.0 TB
• Interface Type Serial ATA-600 Serial ATA
• Spindle Speed 7200.0 rpm

Storage Controller

• Type 1.0 x Serial ATA - Integrated
• Controller Interface Type Serial ATA-300

Storage Controller (2nd)

• Type None

Hard Drive (3rd)

• Type None

Optical Storage

• Type DVD-Writer - Serial ATA

Floppy Drive

• Type None

Optical Storage (2nd)

• Type None

Card Reader

• Type Card reader

Storage Removable

• Type None

Monitor

• Monitor Type LED - Yes
• Diagonal Size 23.0 in
• Max Resolution 1920 x 1080 ( Full HD )
• Widescreen Display Yes
• Image Aspect Ratio 16:9
• Image Brightness 250.0 cd/m2
• Image Contrast Ratio 1000:1
• Monitor Features Glossy,
  VibrantView,
  Frameless

Graphics Controller

• Type Plug-in card
• Interface Type PCI Express x16
• Graphics Processor / Vendor NVIDIA GeForce 615M
• Video Memory 1.0 GB

Camera

• Form Factor Integrated
• Features Built-in microphone

Input Device

• Type Mouse,
  Keyboard,
  Remote control

Audio Output

• Type Integrated
• Sound Output Mode Stereo
• Compliant Standards High Definition Audio,
  Dolby Advanced Audio v2
• Speaker(s) 2.0 x Right / left channel

Keyboard

• Keyboard Name Lenovo Ultraslim Wireless Keyboard
• Connectivity Wireless

Audio Input

• Type Microphone

Telecom

• Modem None

Mouse

• Connectivity Wireless
• Technology Optical
• Features Scroll

Networking

• Ethernet Controller Realtek RTL8111F
• Wireless LAN Supported Yes
• Data Link Protocol IEEE 802.11n,
  IEEE 802.11g,
  Ethernet,
  IEEE 802.11b,
  Gigabit Ethernet,
  Fast Ethernet
• Compliant Standards IEEE 802.11b,
  IEEE 802.11g,
  IEEE 802.11n

Printer

• Type None

Miscellaneous

• Features Built-in adjustable tilt stand
• Compliant Standards RoHS

Expansion / Connectivity

• Bays 1.0 (total) / 0.0 (free) x External 3.5",
  1.0 (total) / 0.0 (free) x Internal 5.25"
• Slots 1.0 (total) / 0.0 (free) x PCIe Mini Card,
  2.0 (total) / 0.0 (free) x CPU,
  2.0 (total) / 1.0 (free) x SO DIMM 204-pin
• Interfaces 1.0 x LAN (Gigabit Ethernet) ( 2 front, 4 rear ),
  6.0 x USB 2.0,
  1.0 x Microphone,
  1.0 x Headphones

Power

• Device Type Power supply
• Power AC 120/230 V ( 50/60 Hz )
• Power Provided 200.0 Watt

Operating System / Software

• OS Provided Microsoft Windows 7 Home Premium 64-bit Edition
• Microsoft Office Preloaded Includes a pre-loaded image of select Microsoft Office 2010 suites. Purchase an Office 2010 Product Key Card or disc to activate preloaded software on this PC.
• Software Lenovo Ebook and Quick Notes,
  Music Star,
  Lenovo Rescue System,
  Windows Live Essentials,
  CyberLink Power2Go,
  PowerCinema,
  Lenovo VeriTouch,
  Curling,
  Lenovo IdeaTouch,
  Firework,
  Angry Birds,
  CyberLink Youcam,
  Link Up,
  Lenovo Driver and Application Installation,
  Happy Hit,
  McAfee Internet Security Suite (30 days trial),
  ArcSoft PhotoStudio Paint,
  Funny Cube

Dimensions & Weight

• Width 22.7 in
• Depth 4.3 in
• Height 16.2 in
• Weight 24.3 lbs

Manufacturer Warranty

• Service & Support 1 year warranty
• Service & Support Details Limited warranty - Parts and labor - 1 year - response time: Next business day

Sustainability

• ENERGY STAR Qualified Yes
• Greenpeace policy rating (Nov 2011) 3.8