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DisplayHP ProBook 6550b QN315US 
Screen Size15.60 "
Display Screen TypeActive Matrix TFT Color LCD
Aspect Ratio16:9
Screen ModeWXGA
Screen Resolution1366 x 768
Backlight TechnologyLED
Graphics Memory TechnologyDDR3 SDRAM
Graphics Memory AccessibilityShared
Hard DriveHP ProBook 6550b QN315US
Storage Size160 GB
Hard Drive InterfaceSerial ATA/300
Hard Drive RPM7200
Optical Drive TypeDVD-Writer
MemoryHP ProBook 6550b QN315US
Memory Card SupportedSecure Digital (SD) Card, Secure Digital High Capacity (SDHC), MultiMediaCard (MMC), MMCplus, Memory Stick, Memory Stick PRO, xD-Picture Card
Standard Memory2 GB
Maximum Memory8 GB
Memory TechnologyDDR3 SDRAM
Memory StandardDDR3-1333/PC3-10600
Number of Total Memory Slots2
Memory Card ReaderYes
NetworkHP ProBook 6550b QN315US
Wireless LANYes
Wireless LAN StandardIEEE 802.11n
Ethernet TechnologyGigabit Ethernet
DimensionsHP ProBook 6550b QN315US
Height1.4"
Width14.6"
Depth9.8"
Weight (Approximate)88.0 oz
Detailed SpecsHP ProBook 6550b QN315US
WebcamYes
MicrophoneYes
ProcessorHP ProBook 6550b QN315US
Processor ManufacturerIntel
Processor TypeCore i3
Processor Modeli3-370M
Processor Speed2.40 GHz
Processor CoreDual-core (2 Core)
Cache3 MB
Chipset ManufacturerIntel
Chipset ModelHM57 Express
SoftwareHP ProBook 6550b QN315US
Operating SystemWindows 7 Professional
Input DevicesHP ProBook 6550b QN315US
Pointing Device TypeTouchPad
I/O ExpansionsHP ProBook 6550b QN315US
Expansion Slot TypeExpressCard/54
BatteryHP ProBook 6550b QN315US
Battery ChemistryLithium Ion (Li-Ion)
InterfacesHP ProBook 6550b QN315US
FireWire/i.LINKYes
Total Number of USB Ports4
Number of USB 2.0 Ports4
VGAYes
eSATA/USB ComboYes
DisplayPortYes