HP EliteBook 8540w
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    Sony VAIO VGN-Z21ZN
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    General Class Standard Laptop Portable Laptop
    Operating Sistem Windows 7 Windows Vista
    Body Dimensions 14.70 in x 9.90 in x 1.28 in12.36 in x 1.30 in x 8.27 in
    Weight 2.95 kg (6.5 lb)1.50 kg (3.3 lb)
    Color Black
    Display Size 15.6 inches13.1 inches
    Resolution 1600x900
    LED YesYes
    3D NoNo
    Processor Name Intel Core i5 520MIntel Core 2 Duo P9500
    Frequence 2.4 GHz2.53 GHz
    Cores 2 per processor2 per processor
    Cache L3 Cache:3.0 MBL2 Cache:6.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm45nm
    Chipset Mobile Intel QM57 Express
    TDP 35W25W
    Features Front side bus (FSB):1066 MHz
    Graphics Type Dedicated cardDedicated card
    Name NVIDIA Quadro FX 880MNVIDIA GeForce 9300M GS
    Memory 1024 MB256 MB
    Memory Capacity 2 GB4 GB
    Max Capacity 4 GB4 GB
    Max Capacity Per Slot 2 GB
    Type DDR3-1333 MHzDDR3-1066 MHz
    Slots 12
    Total Slots 12
    Storage Capacity HDD:250 GB, SSD:160 GB128 GB
    RPM 7200RPM
    Type Hard Disc (HDD), Solid State Drive (SSD)Solid State Drive (SSD)
    Interface SATA (SATA type: 3Gbit/s)SATA
    Optical Type Reading support: CD DVD
    Writing support: CD DVD    		Reading support: CD DVD BD
    Writing support: CD DVD BD
    Features Disc labeling:Yes (LightScribe)
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11a, 802.11b, 802.11g, 802.11n)Yes (802.11a, 802.11b, 802.11g, 802.11n)
    Bluetooth Yes Version:2.1Yes Version:2.1 EDR:Yes
    Modem YesYes
    Infrared No
    Wimax NoNo
    UWB NoNo
    Broadband Wireless GSM (3G)
    Interfaces USB 3 Version:2.02 Version:2.0
    HDMI Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)No
    FireWire Yes (1)Yes (1)
    Expansion Slot ExpressCard (54)ExpressCard (34)
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Memory Stick, Memory Stick Duo, Memory Stick PRO, Memory Stick PRO Duo, SD
    Multi Purpose DriveBay No
    Docking Station Port YesNo
    Other DisplayPort
    Devices Keyboard
    Pointing TouchpadTouchpad (2 Buttons)
    Camera Yes, 0.3 megapixels
    Microphone Yes
    Security Features
    Baterry Cells 8 cells
    Type Li-IonLi-Ion
    Capacity 68 WHr
    Autonomy 3.5 Hours

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