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DisplayHP ProBook 6555b WZ246UT 
Screen Size15.60 "
Display Screen TypeActive Matrix TFT Color LCD
Aspect Ratio16:9
Screen ModeWXGA
Screen Resolution1366 x 768
Backlight TechnologyLED
Graphics Controller ManufacturerATI
Graphics Controller ModelMobility Radeon HD 4250
Hard DriveHP ProBook 6555b WZ246UT
Storage Size320 GB
Hard Drive InterfaceSerial ATA/300
Hard Drive RPM7200
Solid State Drive CapacityNo
Optical Drive TypeDVD-Writer
MemoryHP ProBook 6555b WZ246UT
Memory Card SupportedMemory Stick, xD-Picture Card, Memory Stick PRO, MultiMediaCard (MMC), Secure Digital (SD) Card
Standard Memory4 GB
Maximum Memory8 GB
Memory TechnologyDDR3 SDRAM
Memory StandardDDR3-1333/PC3-10600
Number of Total Memory Slots2
Memory Card ReaderYes
NetworkHP ProBook 6555b WZ246UT
Wireless LANYes
Wireless LAN ManufacturerBroadcom
Wireless LAN Model4313GN
Wireless LAN StandardIEEE 802.11n
Ethernet TechnologyGigabit Ethernet
DimensionsHP ProBook 6555b WZ246UT
Height1.4"
Width14.6"
Depth9.8"
Detailed SpecsHP ProBook 6555b WZ246UT
WebcamYes
MicrophoneYes
ProcessorHP ProBook 6555b WZ246UT
Processor ManufacturerAMD
Processor TypePhenom II
Processor ModelN620
Processor Speed2.80 GHz
Processor CoreDual-core (2 Core)
Cache2 MB
Chipset ManufacturerAMD
Chipset ModelM880G
SoftwareHP ProBook 6555b WZ246UT
Operating SystemWindows 7 Professional
Operating System Architecture32-bit
Input DevicesHP ProBook 6555b WZ246UT
Pointing Device TypeTouchPad
I/O ExpansionsHP ProBook 6555b WZ246UT
Expansion Slot TypeExpressCard/54
BatteryHP ProBook 6555b WZ246UT
Battery ChemistryLithium Ion (Li-Ion)
Maximum Battery Run Time5.50 Hour
InterfacesHP ProBook 6555b WZ246UT
FireWire/i.LINKYes
Total Number of USB Ports3
Number of USB 2.0 Ports3
VGAYes
eSATA/USB ComboYes
DisplayPortYes