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    Intel® Core™ Processors

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    Help Me Choose: WiFi Wireless Cards

    Random access memory (RAM) is the workhorse behind the performance of your system. RAM temporarily stores information from your operating system, applications and data in current use. This gives your processor easy access to the critical information that make your programs run.

    The amount of RAM you have and the memory architecture of your system helps determine how many programs can be executed at one time, how much data can be readily available to a program and helps determine how quickly your applications perform and how many applications you can easily toggle between at one time.

    Help Me Choose: WiFi Wireless Cards

    Many Dell OptiPlex systems support options for internal wireless cards that have advanced security functionality and WiFi with certified 802.11n & 802.11ac compatibility.

    Supporting enterprise-grade security, compatibility and profile management, these options provides the simplicity of cable-free connectivity to wirelessly access the Internet, home and office networks or network-connected devices such as printers, storage, peripherals and other computers.

    Our available internal WLAN solutions offer the secure connectivity required by enterprise customers. WiFi certified for interoperability, our cards continue to support the latest industry standard security protocols, including WPA, WPA2, CKIP, TKIP and built-in hardware support, for the highly secure Advanced Encryption Standard (AES-CCMP).

    Comprehensive 802.1X authentication is supplied with support for common EAP methods including LEAP, EAP-FAST, TLS, TTLS, PEAP and smart cards, including Single Sign-On for the ease of use.

    Wireless Terminology

      Single Band (2.4 GHz)

    • Single band supports only the 2.4GHz band
    • Lots of wireless devices (phones, computers, appliances, etc) use this band – therefore, it’s very “congested” or “noisy” and can inhibit performance
       Dual Band (2.4 GHz + 5 GHz) 

    • Dual band supports both the 2.4GHz and 5GHz band 
    • 5GHz band is much less congested, therefore providing a better wireless experience especially for things like wireless display (Miracast) 
    • There are more & wider channels in the 5GHz band compared to 2.4GHz

      Antenna Configurations

    • 1x1 = 1 send antenna and 1 receive antenna (150Mbps throughput for 802.11n / 433Mbps for 802.11ac) 
    • 2x2 = 2 send antennas and 2 receive antennas (300Mbps throughput for 802.11n / 866Mbps for 802.11ac)

    Wireless Performance Comparison

    Antenna Configuration 802.11n 802.11ac
    Single stream (1x1) 150Mbps 433Mbps
    Dual stream (2x2) 300Mbps 867Mbps

    Wireless Products
    Intel® vPro™ Technology Support
    Dual Band (2.4 & 5 GHz) with MU-MIMO Support
    Speed (Max)
    Streams 
    Bluetooth™
    Qualcomm® QCA9377 433Mbps 1x1 4.1
    Qualcomm® QCA61x4A 867Mbps 2x2 4.2
    Intel® Wireless-AC 9560 867Mbps 2x2 5.0
    
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