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Empty image TACENS MARS MC-ONYX mATX Computer Case with 3 ARGB Fans
37.99 €

TACENS MARS MC-ONYX mATX Computer Case with 3 ARGB Fans

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TACENS MARS MC-ONYX mATX Computer Case with 3 ARGB Fans

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Short description

The TACENS MARS MC-ONYX is a compact mATX computer case designed for efficient airflow and aesthetic appeal. It comes pre-installed with three ARGB fans, providing advanced cooling and customizable lighting effects. This case is ideal for building high-performance gaming or workstation systems, offering a clean layout for component installation and optimal thermal management for internal hardware.
Available at price 37.99 €: 14 pcs.
Total available for order: 31 pcs.
Warranty: 2 Years
SKU: 12538293
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
Wednesday {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
27.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 2.68 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
27.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.79 €
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Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
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Product information

Description

The TACENS MARS MC-ONYX is a compact mATX computer case engineered to balance high-performance cooling with a modern aesthetic. Designed for users who require a space-efficient yet powerful build, this chassis features a refined internal layout that supports essential components while maintaining a clean look. With its pre-installed triple ARGB fan system, the case ensures consistent airflow to keep hardware temperatures stable during intensive tasks, making it a reliable foundation for gaming rigs and professional workstations.

Advantages

The primary benefit of the TACENS MARS MC-ONYX lies in its integrated cooling solution, which utilizes three pre-installed ARGB fans to provide immediate thermal management right out of the box. The addressable RGB lighting allows for extensive customization, enabling users to synchronize the case aesthetics with their existing hardware setup. Furthermore, the compact mATX form factor saves valuable desk space without compromising the ability to house necessary components, while the thoughtful internal design simplifies the cable management process for a cleaner build.

Suitable for

  • Gaming PC builds requiring efficient thermal management
  • Compact workstation setups for home or office use
  • Users looking for a case with pre-installed addressable RGB lighting
  • Systems utilizing mATX or Mini-ITX motherboards

When it may not be suitable

This case may not be suitable for users planning to install large ATX motherboards or extensive multi-GPU configurations that require significant internal volume. Additionally, those looking to mount massive liquid cooling radiators or a high number of storage drives might find the compact dimensions restrictive compared to full-tower alternatives.

Key specifications

  • Form factor: mATX and Mini-ITX support
  • Cooling: 3 x pre-installed ARGB fans
  • Lighting: Addressable RGB system
  • Design: Compact tower chassis
  • Airflow: Optimized front and internal ventilation

How to use

To begin your build, remove the side panels to access the motherboard tray. Install your mATX or Mini-ITX motherboard onto the standoffs, ensuring all ports align with the rear I/O shield. Connect the pre-installed ARGB fans to your motherboard's 5V ARGB header or a compatible controller to manage the lighting effects. Route your power supply cables through the designated cutouts to maintain a tidy interior, then secure your storage drives and graphics card in their respective slots before closing the panels.

What to consider before purchase

  • Verify your motherboard size is compatible with the mATX standard
  • Check the clearance dimensions for your specific CPU cooler and graphics card length
  • Ensure your motherboard features a 5V ARGB header for lighting control
  • Confirm the number of drive bays meets your storage requirements

Usage recommendations

For optimal performance, ensure the front intake area remains unobstructed to allow the pre-installed fans to draw in cool air effectively. Regularly clean the dust filters to maintain airflow efficiency and prevent thermal throttling during heavy system loads.

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Stock data
Warehouse Stock Delivery to the store Store Price
EU2 14 Wednesday Best delivery 37.99 € Best price
EU1 3 28.07.2026 38.99 €
WH353 14 04.08.2026 44.49 €
37.99 €
Stock: 14
Delivery Date: Wednesday Best delivery
Warehouse: EU2
38.99 €
Stock: 3
Delivery Date: 28.07.2026
Warehouse: EU1
44.49 €
Stock: 14
Delivery Date: 04.08.2026
Warehouse: WH353

Customer reviews

Customer questions

FAQ

How much does the TACENS MARS MC-ONYX mATX Computer Case cost, and is it available for purchase?

The price is 37.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 31 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Wednesday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All TACENS products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized TACENS service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.