• Motherboard Supported
  • ATX
  • EATX
  • Micro ATX
  • Mini ITX
• Number of Fans Supported6
• Number of Fans Installed3
• Fan Size Supported
  • 5.51″
  • 4.72″
• Installed Fan Size5.51″
• Features
  • Dust Filter
  • Cable Management
• Number of Internal 3.5″ Bays2
• Number of Internal 2.5″ Bays5
• USB Port Details
  • 1 x USB Type C
  • 2 x USB 3.0
• Front USBYes
• Total Number of Audio In Ports1
• Front Audio InYes
• Total Number of Audio Out Ports1
• Front Audio OutYes
• MicrophoneYes
• Color FamilyBlack
• Product ColorBlack
• Product Material
  • Mesh
  • Tempered Glass
• Cooler TypeFan/Liquid Cooler
• Form FactorMid-tower
• Maximum CPU Cooler Height7.09″
• Maximum PSU Length9.45″
• Maximum GPU Length15.75″
• Height19.4″
• Width9.1″
• Depth18.8″
• Weight (Approximate)19.64 lb
• Country of OriginChina

General Information
Manufacturer: Telon Co., Ltd.
Manufacturer Part Number: AIR 903 BASE BLACK
Manufacturer Website Address: https://www.telon.com.twc/
Brand Name: MONTECH
Product Series: Air 903
Product Model: AIR 903 BASE
Product Name: Ultra-Cooling Mid-Tower with Max Capacity
Marketing Information:

Classic Reversion – Epic Evolution

Introducing the Montech AIR 903 series – the ultimate upgrade for PC enthusiasts. It offers superior aesthetics, unparalleled airflow, meticulous attention to detail, and exceptional compatibility.

Get ready for the best mainstream case of 2023.

Maximize Airflow, Optimize Performance

Experience the innovative AIR 903 case with a metal front panel featuring a staggering 51% ventilation rate.

It maximizes airflow, delivering superior thermal performance and an ultimate gaming experience.

Unleash the Ultimate Dust-Free Experience

Enjoy optimal airflow, easy cleaning with the quick-release design, and comprehensive dustproof protection with strategically placed filters.

Pre-Installed 3x 140mm PWM Fans

Achieve the perfect balance between silence and maximum cooling power with the customizable rotational speed of HP140 high-performing cooling fans. 

Limitless Cooling Potential and Customization Freedom

Offers maximum airflow and versatility with a generous clearance for CPU tower coolers, support for 360mm AIO coolers at the front and top, and the ability to install up to 9 fans.

Seamless Fit for Massive GPUs and Unparalleled PSU Clearance

Offers unrivaled graphics card compatibility, accommodating massive GPUs up to 400mm in length and 190mm in width, including popular models like the NVIDIA® GeForce RTX® 40 series with ease. 

True E-ATX Compatibility and Seamless Installation

Supports E-ATX and SSI-EEB form factors, providing a seamless installation experience with pre-punched mounting holes and cable routing holes.

Clean and Tangle-Free Cable Routing

Features a spacious 27mm cable route, rubber grommets, and Velcro straps for a hassle-free and organized interior.

Vertical GPU Mounting Compatible

Upgrade your gaming experience with the Montech Vertical Graphics Card Mounting Kit (sold separately). Remove all 7 PCIe slot covers for effortless installation and enjoy improved thermal performance and striking visuals by vertically mounting your graphics card. Elevate your GPU’s aesthetics and performance like never before.

Product Type: Gaming Computer Case
Technical Information
Motherboard Supported:

• ATX
• EATX
• Micro ATX
• Mini ITX

Number of Fans Supported: 6
Number of Fans Installed: 3
Fan Size Supported:

• 5.51″
• 4.72″

Installed Fan Size: 5.51″
Features:

• Dust Filter
• Cable Management

Bays
Number of Internal 3.5″ Bays: 2
Number of Internal 2.5″ Bays: 5
Interfaces/Ports
USB Port Details:

• 1 x USB Type C
• 2 x USB 3.0

Front USB: Yes
Total Number of Audio In Ports: 1
Front Audio In: Yes
Total Number of Audio Out Ports: 1
Front Audio Out: Yes
Microphone: Yes
Physical Characteristics
Color Family: Black
Product Color: Black
Product Material:

• Mesh
• Tempered Glass

Cooler Type: Fan/Liquid Cooler
Form Factor: Mid-tower
Maximum CPU Cooler Height: 7.09″
Maximum PSU Length: 9.45″
Maximum GPU Length: 15.75″
Height: 19.4″
Width: 9.1″
Depth: 18.8″
Weight (Approximate): 19.64 lb
Miscellaneous
Country of Origin: China