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EVGA 850 B3 850W Modular 80+ Bronze PSU

  • 3x Molex Connectors
  • 9x SATA Connectors
  • 6x PCIe Connectors (6+2-Pin)
  • 4 + 4-Pin CPU Power Connector
  • ATX Form Factor

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QuickFind: 791244

Mfr part code: 220-B3-0850-V3

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    EVGA 850 B3 850W Modular 80+ Bronze PSU Product Description

    EVGA Bronze power supplies have become synonymous with industry-leading stability, performance, and value. With the B3 power supplies, EVGA now adds fully modular cables, the ECO Intelligent Thermal Control System, even tighter voltage regulation (<2%), and a Long Life Sleeve Bearing Fan for ultra-quiet performance with an increased lifespan. Even more impressive, these power supplies continue to get shorter compared to its predecessors. Backed by EVGA's 5 Year Global Warranty, the EVGA B3 lineup will give you peace of mind for years to come. Join the evolution of the Bronze age.

    Main Features:

    • Fully Modular to reduce clutter and improve airflow
    • 5 Year Warranty and unparalleled EVGA Customer Support
    • 80 PLUS Bronze certified, with 85% efficiency or higher under typical loads
    • Heavy-duty protections, including OVP (Over Voltage Protection), UVP (Under Voltage Protection), OCP (Over Current Protection), OPP (Over Power Protection), SCP (Short Circuit Protection), and OTP (Over Temperature Protection)
    • EVGA ECO Intelligent Thermal Control System elminates fan noise at low to medium loads



    Power Connectors

    1 x 24-pin ATX

    SATA Connectors

    9 x SATA

    CPU Connectors

    1 x 4+4-pin EPS

    PCI Connectors

    6 x 6+2-pin

    Molex Connectors

    3 x Molex

    Floppy Connectors

    1 x Floppy via Molex Adapter



    80+ Bronze



    100 - 240 VAC


    850 W

    Frequency Range

    50 - 60 Hz


    Form Factor

    ATX Power Supply

    Case Colour



    150 mm


    160 mm


    85 mm


    2.36 kg



    5 Years

    Item Details



    Part Number







    Technical Specifications


    Device Type Power supply - internal
    Specification Compliance ATX
    Localisation United Kingdom

    Power Device

    Input Voltage AC 100-240 V
    Frequency Required 50 - 60 Hz
    Power Output Connectors Details 1 x power 24 pin ATX ¦ 1 x power 8 pin EPS12V with detachable 4 pin ATX12V section ¦ 6 x 8 pin PCI Express power with detachable 2 pin section ¦ 3 x 4 PIN internal power ¦ 9 x 15 pin Serial ATA power ¦ 1 x 4 PIN mini-power connector
    Output Voltage +3.3, +5, ±12 V
    Power Capacity 850 Watt
    Output Current +3.3V - 24 A ¦ +5V - 24 A ¦ +12V - 70.8 A ¦ -12V - 0.5 A ¦ +5VSB - 3 A
    Efficiency 88%
    Modular Cable Management Yes
    80 PLUS Certification 80 PLUS Bronze


    MTBF 100,000 hour(s)
    Cooling System 130mm fan
    Features Overheat protection, over current protection, over voltage protection, overpower protection, undervoltage protection, short-circuit protection, ECO Intelligent Thermal Control System, Eco-Mode
    Compliant Standards TUV, CB, FCC, RoHS, WEEE, cTUVus, Energy-Related Products (ErP) Lot 6, RCM

    Manufacturer Warranty

    Service & Support Limited warranty - 5 years

    Environmental Parameters

    Min Operating Temperature 0 °C
    Max Operating Temperature 50 °C

    Dimensions & Weight

    Depth 16 cm
    Height 8.5 cm
    Weight 2.27 kg

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