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Turbo charge performance with an affordable upgrade from The IT Bay

We provide a range of low cost system upgrades including RAM upgrades and disk replacements to improve performance and boost storage capacity. Contact us via the form below for a fast, competitive quote to upgrade the computer you're currently viewing.

If you're purchasing computers for business use, we also offer imaging services so that your devices are supplied preconfigured with all the software and settings you need for your organisation. Your computers will ship ready to use straight away with no need for further setup or installation work. We can also reprint the keyboards if you need a different language or layout for international usage or you want a bespoke keyboard design for branding purposes. Learn more about our keyboard printing service.

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Product code: GA503QS-HN103T
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ASUS ROG Zephyrus G15 GA503QS-HN103T - 15.6" - AMD Ryzen 9 5900HS - 16 GB RAM - 1 TB SSD

Part Code:
GA503QS-HN103T
ASUS ROG Zephyrus G15 GA503QS-HN103T - 180-degree hinge design - AMD Ryzen 9 5900HS / 3 GHz - Windows 10 Home - GF RTX 3080 - 16 GB RAM - 1 TB SSD NVMe - 15.6" 1920 x 1080 (Full HD) @ 144 Hz - Wi-Fi 6 - eclipse grey
Key Selling Points
  • Sleek and streamlined design
  • Rich detail at gaming speed
  • Immersive surround sound
  • Clear voice communications
  • Intelligent cooling improves your experience
  • Flexible connectivity
Power meets portability in the versatile ROG Zephyrus G15, which puts premium gaming in an ultra-slim 1.9kg chassis. Performance is fast and smooth with a powerful CPU and advanced GPU. A WQHD 165Hz/3ms gaming panel balances speed with rich detail to draw you deep into the action. Lush Dolby Atmos audio from six speakers immerses you in surround sound to enrich every entertainment experience.
  • Sleek and streamlined design
    The reinforced metal lid is precision cut with a dot matrix design that adds a subtle shimmering effect from prismatic film beneath. Stay versatile with thoughtful conveniences like a 180° ErgoLift hinge for more flexible viewing and a wide touchpad for easy navigation.
  • Rich detail at gaming speed
    The WQHD 165Hz/3ms panel delivers the best of both worlds, striking a satisfying balance between fast-paced action and rich, detailed visuals. Quick 3ms gray-to-gray response times minimize motion blur for precise target tracking. Adaptive-Sync makes gameplay ultra-smooth, eliminating visual tearing and minimizing stuttering for deeper immersion.
  • Immersive surround sound
    Six speakers powered by Dolby Atmos technology put you in the center of the action. Twin tweeters face front to fire sound directly at you for louder volume, while pairs of force-canceling woofers under the palm rests balance acoustics and minimize unwanted resonance. Turn up the volume at parties and events and enjoy louder, more dynamic audio.
  • Clear voice communications
    Updated audio inputs make all your streams and voice chats clear. Two-Way AI Noise Cancellation clarifies upstream and downstream audio, filtering out unwanted noise to make voice communication clearer. The 3D mic array captures a broad soundscape that can be optimized for specific scenarios like recording live music or hosting conference calls.
  • Intelligent cooling improves your experience
    ROG's Intelligent Cooling philosophy mixes the right features and system settings to ensure the best experience for each chassis and components, no matter what you're doing. For the Zephyrus G15, liquid metal thermal compound keeps your CPU cool. A self-cleaning thermal module clears dust to improve long-term stability, while dual Arc Flow fans spin redesigned blades to generate impressive airflow with minimal noise.
  • Flexible connectivity
    A wide variety of I/O ports lets you level-up your setup on the go. Drive a second display to multitask more efficiently via the USB-C port with DisplayPort 1.4. Watch 4K UHD movies on the big screen or easily connect a projector with HDMI 2.0b. Hook up your mouse, gamepad, drawing tablet, and other peripherals to play or be creative anywhere. Expand your storage on the fly with a fast micro SD slot that supports speeds up to 312MB/s. There's no need for dongles with a 3.5mm headset jack built in.
  • ASUS ROG Zephyrus G15 GA503QS-HN103T
  • Power adapter
Tech Specs
OS Provided / Type Windows 10 Home
Processor / Type Ryzen 9
Processor / Clock Speed 3 GHz
RAM / Technology DDR4 SDRAM
RAM / Form Factor SO-DIMM 260-pin
Drive Capacity 1 TB
Optical Storage / Type None
Screen Size 15.6 in
Display Resolution 1920 x 1080
Refresh rate 144 Hz
Input Device / Type Touchpad
Video Output / Graphics Processor NVIDIA GeForce RTX 3080
Audio Input / Type Array microphone
Networking Protocol 802.11ax
Battery / Technology Lithium Ion
Weight 1.9 kg
Colour Eclipse grey
Model ASUS ROG Zephyrus G15
Model GA503QS-HN103T
Brand Asus
Packaged Quantity 1
Laptop Type Notebook
Processor / Number of Cores 8-core
Wifi Protocol 802.11a/b/g/n/ac/ax
Server Storage Capacity 1 TB
Operating System Windows 10 Home
Hard Drive / Type SSD
Colour Black
Laptop Design 180° hinge design
Graphics Card NVIDIA GeForce RTX
Keyboard Backlight Yes
RAM / Installed Size 16 GB
RAM / Max Supported Size 48 GB
Video Memory / Installed Size 8 GB

Product Faqs

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  • How long does it take for delivery?
    Question by: C Smith on 2021-06-11

    Orders placed via the website before 5pm (Monday - Friday) are usually delivered the next business day. Orders placed over the weekend and bank holidays are despatched the following business day. Please note that orders being shipped to offshore or remote locations may take 2-3 days to be delivered.

    Answer by: admin on 2021-06-11 01:31:17
  • Is this product brand new?
    Question by: G Clarkson on 2021-08-15

    The vast majority of the items we sell are brand new, but we sometime have other product grades available, which provide a great solution for those businesses that are perhaps on a tighter budget. You can see the condition or grade of stock for every product featured on our website. The condition is shown on the top right-hand side of each product page.

    Answer by: admin on 2021-08-15
  • Why is this product much cheaper than I've seen elsewhere?
    Question by: H Anderson on 2022-02-10

    Our expertise with the leading technology manufacturers such as Dell, HP, Lenovo and Microsoft allows us to source the most popular products at the best possible prices and pass those saving onto you. As well as special deals and exclusive products, we can often command volume related discounts because we buy and hold physical stock unlike many of our competitors.

    Answer by: admin on 2022-02-10
  • What is your returns policy for this product?
    Question by: D Jones on 2022-03-13

    We hope you'll be pleased with any product you purchase from us but we appreciate that there are times when you might need to return items to us. We have slightly different returns processes based on whether you are a business or a consumer and the reason for the return. We've summarised the key returns information here but please refer to our terms and conditions for full details.

    Answer by: admin on 2022-03-13