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- Asus A21 Plus ARGB Gaming Case w/ Glass Window, Micro ATX, 4x ARGB Fans, 380mm GPU & 360mm Radiator Support, Asus BTF Compatible, Black Asus A21 Plus ARGB Gaming Case w/ Glass Window, Micro ATX, 4x ARGB Fans, 380mm GPU & 360mm Radiator Support, Asus BTF Compatible, Black
- Description
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The ASUS A21 PLUS microATX case offers support for hidden-connector motherboards, 360 mm radiators and 380 mm graphics cards, with two color options, four pre-installed ARGB fans and clean cable management.
- Hidden Connectors: Compatible with motherboards featuring hidden connectors and maximizes clean cable management for a clutter-free build.
- Broad Compatibility: A21 PLUS supports up to 360 mm radiators, graphics cards up to 380 mm in length and CPU air coolers up to 165 mm in height.
- Capable Cooling: A21 PLUS features four ARGB fans for exceptional cooling, and the front-panel mesh is 40% porous to maximize the balance of airflow, dust filtering and RGB visibility.
- Ample cable management: The A21 PLUS provides a compartment behind the motherboard that is 33 mm wide to keep your wiring tucked away and tidy.
Despite being a micro-ATX case, the A21 PLUS still supports up to 360 mm radiators, graphics cards up to 380 mm in length and CPU air coolers up to 165 mm in height, giving builders plenty of options to assemble their next PC.
The front-panel mesh of the A21 PLUS is 40% porous to maximize the balance of airflow and RGB visibility. Within, four pre-installed ARGB fans ensure ample cooling.
The A21 PLUS provides a compartment behind the motherboard that is 33 mm wide to help you keep your wiring tucked away and tidy.
Both variants of the A21 PLUS come with color-coordinated black or white internal I/O cables to compliment your build theme.
Description
Specification
- Form Factor: Micro ATX
- #Hide#Small Form Factor: No
- Power Supply Wattage: No PSU
- Motherboard Support: "Micro ATX, Mini ITX"
- #Hide#Window(s): Yes (Window)
- #Hide#LED Lighting: Yes (LED Lighting)
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Connectors / Controls: 2 x USB 3.2 Gen1
1 x Headphone
1 x Microphone -
Drive Bays: 1 x 2.5"" Bay
2 x 2.5""/3.5"" Combo Bay - Expansion Slots: 5 Expansion Slots
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Cooling System: Included:
Front: 3 x 120mm ARGB Fans
Rear: 1 x 120mm ARGB Fan
Fan Mounts:
Front: 3 x 120 / 2 x 140 mm
Top: 3 x 120 / 2 x 140 mm
Rear: 1 x 120 mm -
.:
Radiator Support:
Front: Up to 360 mm
Top: Up to 360 mm
Rear: 120 mm - #Hide#Back-Connect MB Support: Yes (Back-Connect)
- Back-Connect MB Support: Yes
- Colour: Black
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Compatibility: GPU Max Length: 380 mm
CPU Cooler Max Height: 165 mm
PSU Max Length: 210 mm -
Weight/Dimensions: 8.1 kg
220 x 430 x 465 mm - Additional Features: Click here to learn more about Asus BTF
- Package Weight: 9.6000 kg
- Warranty: 2 Years
Delivery & Shipping Policy
Last updated: 19/09/2025
At Tech Direct UK, we aim to get your order to you as quickly and efficiently as possible. Please see below for our delivery terms.
1. Delivery Options & Costs
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Free Delivery – Orders over £50 qualify for free UK standard delivery.
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Standard Delivery – Orders under £50 are charged at £4.99.
2. Delivery Times
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Next Day Delivery – The majority of items are shipped via next day courier if ordered before 2:00pm (Monday–Friday).
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Orders placed after 2:00pm, on weekends, or bank holidays will be processed the next working day.
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Larger or Heavy Items – Certain products (e.g., heavy furniture, oversized goods) may take 2–5 working days for delivery. Estimated times will be displayed at checkout.
3. Delivery Areas
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We deliver to all mainland UK addresses.
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Deliveries to remote areas (e.g., Highlands, Islands, Northern Ireland) may take longer or incur additional charges — these will be shown at checkout before confirming your order.
4. Tracking Your Order
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Once dispatched, you will receive an email confirmation with tracking details (where available).
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You can track your delivery via the courier’s website.
5. Missed Deliveries
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If you are not available at the time of delivery, the courier will leave a card or attempt redelivery.
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Repeated failed delivery attempts may result in the parcel being returned to us. In this case, re-delivery charges may apply.
6. Risk of Loss
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Risk of loss or damage to the goods passes to you once they are delivered.
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Please inspect your order upon receipt and notify us of any issues within 48 hours.
7. Contact Us
If you have any questions about delivery, please contact us:
📧 Email: support@techdirectuk.com