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Basic Specs Compaq PRESARIO CQ57-438ERCompaq Presario CQ57-438ER 
Typenotebook
Operating SystemWin 7 Home Basic
Processor Compaq PRESARIO CQ57-438ERCompaq Presario CQ57-438ER
ProcessorE-450 1650 MHz
Number of Cores2
L2 cache1 MB
Chipset ModelAMD A50M (Hudson M1)
Memory Compaq PRESARIO CQ57-438ERCompaq Presario CQ57-438ER
Memory4096 MB DDR3
Number of Total Memory Slots2
Display Compaq PRESARIO CQ57-438ERCompaq Presario CQ57-438ER
Display15.6-inch, 1366x768, widescreen
Display Screen Typeglossy
Backlight TechnologyLED
Graphics Controllerbuilt-in
Graphics Chipset ModelATI Radeon HD 6320
Graphics MemorySMA
Storage Devices Compaq PRESARIO CQ57-438ERCompaq Presario CQ57-438ER
Optical Drive TypeDVD-RW, internal
Storage Size500 GB Serial ATA
Hard Drive Speed5400 r/min
Communication Compaq PRESARIO CQ57-438ERCompaq Presario CQ57-438ER
LAN/ModemNetwork 10/100 Mbit/s
Wireless Communicationbluetooth, Wi-Fi 802.11n
InterfacesUSB 2.0x3, VGA (D-Sub), microphone input, audio output/headphone, LAN (RJ-45)
Expansion slots Compaq PRESARIO CQ57-438ERCompaq Presario CQ57-438ER
Memory Card ReaderYes
Memory Card SupportSD
Input Devices Compaq PRESARIO CQ57-438ERCompaq Presario CQ57-438ER
Pointing Device TypeTouchpad
Audio Compaq PRESARIO CQ57-438ERCompaq Presario CQ57-438ER
SpeakersYes
MicrophoneYes
Detailed Specs Compaq PRESARIO CQ57-438ERCompaq Presario CQ57-438ER
WebcamYes
FeaturesLock slot
Dimensions (HxWxT)376x247x35.8 mm
Weight2.55 kg