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  • Sold by Direct from manufacturerlilila-reeUS
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    USB Type-E Key-A Adapter 20 Pin Header Type B Notch Inward Reverse, USB 3.2 Gen 1 to Gen 2 Type-E Key-A adapter, 20-pin to Type-E. Type B: header notch faces inward. 5Gbps, data only

    • TYPE B HEADER NOTCH FACES INWARD | VERIFY BEFORE ORDERING This is the Type B version, designed for motherboards where the USB 3.0 20-pin headers key/notch faces toward the inside of the motherboard (toward the CPU/board center). Type A and Type B look identical externally they are distinguished only by the internal anti-reverse tab position. Check your header orientation before ordering. If the notch faces outward, you need Type A instead.
    • CONVERTS 20-PIN HEADER TO TYPE-E KEY-A ADD FRONT USB-C SUPPORT Turns an available USB 3.0 19/20-pin internal header into a USB 3.2 Type-E (Key-A) 20-pin female port. Perfect for adding front panel USB-C functionality to older motherboards that lack a native Type-E header. Plug and play, no drivers needed.
    • 5Gbps USB 3.0 SPEED DATA TRANSFER ONLY Supports USB 3.0 SuperSpeed up to 5Gbps and is backward compatible with USB 2.0/1.1. This adapter uses the motherboards USB 3.0 header, which provides 4.5W (0.9A x 5V) maximum. It does NOT support PD fast charging, DisplayPort Alt Mode, Thunderbolt, or any audio/video output.
    • REVERSE TYPE DESIGN FOR SPECIFIC BOARD LAYOUTS The reverse-type orientation routes the Type-E connector in the opposite direction compared to standard adapters, solving clearance issues with CPU coolers, RAM modules, or case side panels. Ideal for compact builds where a standard-direction adapter blocks nearby components.
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    About this item

    1. TYPE B HEADER NOTCH FACES INWARD | VERIFY BEFORE ORDERING This is the Type B version, designed for motherboards where the USB 3.0 20-pin headers key/notch faces toward the inside of the motherboard (toward the CPU/board center). Type A and Type B look identical externally they are distinguished only by the internal anti-reverse tab position. Check your header orientation before ordering. If the notch faces outward, you need Type A instead.
    2. CONVERTS 20-PIN HEADER TO TYPE-E KEY-A ADD FRONT USB-C SUPPORT Turns an available USB 3.0 19/20-pin internal header into a USB 3.2 Type-E (Key-A) 20-pin female port. Perfect for adding front panel USB-C functionality to older motherboards that lack a native Type-E header. Plug and play, no drivers needed.
    3. 5Gbps USB 3.0 SPEED DATA TRANSFER ONLY Supports USB 3.0 SuperSpeed up to 5Gbps and is backward compatible with USB 2.0/1.1. This adapter uses the motherboards USB 3.0 header, which provides 4.5W (0.9A x 5V) maximum. It does NOT support PD fast charging, DisplayPort Alt Mode, Thunderbolt, or any audio/video output.
    4. REVERSE TYPE DESIGN FOR SPECIFIC BOARD LAYOUTS The reverse-type orientation routes the Type-E connector in the opposite direction compared to standard adapters, solving clearance issues with CPU coolers, RAM modules, or case side panels. Ideal for compact builds where a standard-direction adapter blocks nearby components.
    5. WIDE COMPATIBILITY STANDARD 19/20-PIN HEADER REQUIRED Compatible with motherboards that have a standard USB 3.0 19/20-pin internal header (not USB 2.0 IDC). Works with Type-E front panel cables from most modern cases. Does NOT work with USB 2.0 headers or Type-E Key-B (2x USB-A) connections.


    Product description

    USB 3.2 Gen 1 to USB 3.2 Gen 2 Header Adapter USB 3.1 Type-E Key-A to USB 3.0 20 Pin Header Converter (Type B, Notch Facing Inward)

    Add front panel USB-C support to your motherboard. If your case has a USB-C front panel cable but your motherboard only has a USB 3.0 19/20-pin header (no native Type-E port), this adapter bridges the gap converting your available 20-pin header into a Type-E Key-A female port.

    Whats in the Box:


    1. 1x USB 3.2 Gen 1 to Gen 2 Header Adapter (Type B)
    2. 1x User Guide


    Not Included:


    1. Motherboard, PC case, or front panel cable


    IMPORTANT READ BEFORE ORDERING

    Type Verification (Critical): This is the Type B version, for motherboards where the 20-pin headers notch/key faces inward (toward the CPU/board center). Type A and Type B adapters look identical externally the difference is the internal anti-reverse tab position. Please check your motherboard before ordering.

    How to Check Your Type:


    1. Locate your motherboards USB 3.0 19/20-pin header.
    2. Find the notch (the small gap/slot on one side of the connector).
    3. If the notch faces toward the inside of the board (toward the CPU) Type B (this product).
    4. If the notch faces toward the outside edge of the board Type A.


    Speed & Power Limitations (Critical):


    1. Speed: This adapter carries USB 3.0 signal at up to 5Gbps. It does NOT convert 5Gbps to 10Gbps. The USB 3.2 Gen 1 to Gen 2 in the title refers to the physical connector conversion (20-pin header Type-E port), not a speed upgrade.
    2. Power: The motherboards USB 3.0 header provides a maximum of 4.5W (0.9A x 5V) . USB-C devices that require higher power (PD charging, laptops, etc.) will not charge at full speed or may not charge at all.
    3. No Alt Mode: Does NOT support DisplayPort Alt Mode, Thunderbolt, or any audio/video output. Data transfer only.


    Why choose this adapter?


    1. Type B Notch faces inward, clearly labeled to prevent wrong purchase
    2. Converts 19/20-pin header to Type-E Key-A adds front USB-C capability
    3. Reverse Type for board layouts where standard-direction adapters cause clearance issues
    4. Plug & Play no drivers, tool-free installation
    5. 5Gbps USB 3.0 backward compatible with USB 2.0/1.1


    echnical Specifications:
    TypeType B (Notch Facing Inward)
    Connector AUSB 3.0 19/20-Pin Male (Motherboard Header)
    Connector B

    Learn more about the Detailed Specifications

    Best Seller Ranking #6 in Connectors
    Additional Information
    First Listed on Newegg July 18, 2026

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