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    Rosewill VNW 550W 80+ White Certified, Non-Modular Active PFC Design, Low-Noise Gaming Power Supply, High Quality Electrolytic Capacitor, 120mm FDB Silent Fan - 5 Year Warranty - VNW550

    • 550W
    • 650W
    • 750W
    • 80 PLUS® Certified Non-Modular
    • Advanced DC-DC high amperage +12V rail design for exceptional stable and clean voltage delivery
    • Optimized Thermal Control: Steel shell with large vents and 120mm FDB silent fan enhance cooling performance
    • Compact Build Ready: 140×150×86mm chassis (35% smaller) enables flexible small-form-factor integration
    • Safety Shield: 5-protection suite (UVP/OVP/OPP/SCP/OCP) ensures complete system security
    🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available
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    Overview
    Specs
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    VNW550/650/750 80 PLUS CERTIFIED ATX Power Supplies
    Advanced DC-DC Circuitry
    80 PLUS Certified Efficiency
    Comprehensive Protection Suite
    Silent 120mm FDB Fan
    Connectors

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Limited Warranty period (parts): 1 year
    • Limited Warranty period (labor): 1 year
    • Read full details

    Return Policies

      We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.

    • Return for refund until: January 31, 2026
    • Return for replacement until: January 31, 2026
    • This item is covered by Newegg.com's Extended Holiday Return Policy.
    • Read full return policy for details.
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    The Rosewill VNW550 is a 550W, 80 PLUS White non-modular ATX power supply for mainstream desktop builds that need a single +12V rail, two 6+2-pin PCIe connectors, and a compact 140mm chassis.

    Recommended For

    • Budget-conscious home or office PC builders assembling a modest system who want a basic 550W, fixed-cable power supply.
    • Builders of a modest graphics-card PC whose total power needs fit within 550W and whose card uses the listed 6+2-pin PCIe connectors.
    • Home NAS builders with several SATA drives and modest system power needs; the VNW550 lists six SATA power connectors.
    • PC builders fitting a standard ATX-style power supply into a case with a 140 mm PSU-length limit who do not need removable cables.

    Real-World Use Scenarios

    • Building or refreshing a budget desktop: it can supply a system whose total power needs fit within 550W, so check the CPU and GPU manufacturers’ power guidance before choosing it.
    • Adding a compatible discrete graphics card: the two PCIe 6+2-pin connectors support cards that use those plugs, but the card and full system must stay within the PSU’s power capacity and requirements.
    • Powering a home PC or storage system with several SATA devices: its six SATA power connectors can serve multiple drives, subject to the system’s total power needs and case cooling.
    • Replacing a failed PSU in a compatible desktop: its standard motherboard and CPU power connectors provide common connections, but confirm the old unit’s connectors, case fit, and system power needs before installing it.
    • Fitting a PSU into a case with limited PSU depth: the 140 mm length may help with clearance, while its permanently attached cables require space for unused cable slack and can make routing less flexible.

    Spec Summary

    AttributeValue
    Best ForPC builds needing up to 550 W of non-modular power, including setups with multiple SATA-powered components
    Power Output And Rails550 W maximum output with a single +12 V rail rated at 45.8 A; other outputs are +3.3 V at 18 A, +5 V at 18 A, −12 V at 0.3 A, and +5 VSB at 3 A
    Efficiency And Power Design80 PLUS certified, with efficiency up to 80%, active PFC, and a minimum 16 ms hold-up time
    CoolingAir-cooled by one 120 mm fan
    Connectors20+4-pin main, two 4+4-pin ATX12V/EPS12V, two 6+2-pin PCI-E, six SATA, and two 4-pin peripheral connectors
    ProtectionOver-voltage and overload protection
    Input Requirements90–120 V AC input
    Form Factor And DimensionsATX-style, non-modular design; maximum PSU length is 140 mm, with listed item dimensions of 5.9 × 5.51 × 3.38 inches
    Physical DetailsBlack finish; item weight is 2.8 lb
    Model IdentifiersRosewill VNW550