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Deal.ai › KYY
KYY
KYY 15.6" Quad Portable Monitor Extender X90G

KYY 15.6" Quad Portable Monitor Extender X90G

Best price now

$399.99at AmazonChecked 1 h ago

43% under what the other stores charge

Compared across 3 stores. Prices are checked against each store and labelled with when. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Price facts

  • Lowest price today: $399.99 at Amazon (checked Nov 10, 2026).
  • Checked at 3 stores.

KYY 15.6" Quad Portable Monitor Extender X90G prices at every store

  • KYYNew

    In stock

    $699.99Checked 1 h ago
    Visit KYY
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $399.99Free shippingChecked 1 h ago
    Visit Amazon
  • KYYNew

    Availability unknownReturn policy

    $699.99Checked 22 min ago
    Visit KYY

KYY 15.6" Quad Portable Monitor Extender X90G price history

Lowest price we've seen: $399.99 on Nov 11 at Amazon. Tracked across 2 stores since Nov 11.

From KYY

  • One USB-C cable expands your laptop into a four-screen workstation
  • Included USB-A adapter for flexible connection options
  • Works with Windows, macOS, Linux and Android
  • Each screen rotates 360° and auto-adjusts orientation
  • Adjustable built-in stand up to 90° for viewing angle
  • 15.6" FHD IPS display, 1920 × 1080, 400 nits, 60Hz
Materials
Durable alloy frame
Sizing
Compatible with laptops from 12" to 17.3"
Shipping
Free shipping for US and CA
In the box
USB-A adapter

About the KYY 15.6" Quad Portable Monitor Extender X90G

Turn Your Laptop Into a 4-Screen Powerhouse

Work faster, multitask smarter, and boost productivity anywhere with the KYY X90G quad portable monitor.

Why You'll Love It

One Cable, Four Screens — Expand your laptop into a full four-screen workstation with just one USB-C cable. Flexible connection options with included USB-A adapter.

Wide Compatibility — Works seamlessly with Windows, macOS, Linux, and Android devices, making it perfect for any workflow.

360° Flexible Rotation — Each screen rotates freely and auto-adjusts orientation, so you can customize your setup for maximum efficiency.

Adjustable Built-in Stand — Easily adjust up to 90° for a comfortable viewing angle whether you're at your desk or on the go.

15.6” FHD IPS Display — Enjoy sharp visuals, vibrant colors, and wide viewing angles with 1080P resolution and 400 nits brightness.

Multiple Display Modes — Switch between extend, mirror, portrait, presentation, and more to match any task or scenario.

Perfect For

• Remote workers & digital nomads

• Business professionals & traders

• Students & multitaskers

• Anyone needing a portable multi-screen setup

Designed for Flexibility

Compatible with laptops from 12” to 17.3”, the X90G is built for both portability and performance—whether you're working from home, the office, or on the move.

Premium Build Quality

Crafted with a durable alloy frame, the X90G combines a sleek, modern look with long-lasting strength and stability.

Specifications

• Screen Size: 15.6”

• Resolution: 1920 × 1080 (Full HD)

• Panel: IPS

• Brightness: 400 nits

• Color: 16.7M colors, 80% NTSC

Specifications

Questions and answers

Where is the KYY 15.6" Quad Portable Monitor Extender X90G cheapest?
At Amazon, for $399.99, 43% under what the other stores charge, as of our latest check.
Where can I buy the KYY 15.6" Quad Portable Monitor Extender X90G?
2 stores we checked sell it, including KYY, Amazon.

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Buying guides that pick the KYY 15.6" Quad Portable Monitor Extender X90G

  • Best quad-screen laptop extenders
Screen Size
15.6”Source
Resolution
1920 × 1080 (Full HD)Source
Panel
IPSSource
Brightness
400 nitsSource
Color
16.7M colors, 80% NTSCSource
Refresh Rate
60HzSource
Aspect Ratio
16:9 / 4:3Source
Ports
Full-function USB-C, Power USB-CSource
Weight
6.4lbs (2.9kg)Source
Power Consumption
up to 30WSource
Laptop Compatibility
12-17.3" LaptopSource
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  • I
    INVZI MagHub Quad 16" Portable Screen Extender
    INVZI MagHub Quad 16" Portable Screen Extender
  • M
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    MagHub Quad Max 16" Portable Screen Extender