MONTECH AIR 903 MAX White E-ATX Gaming Case, 4 × 140mm PWM Fans (3 ARGB), 51% Mesh Airflow, 400mm GPU, 360mm Front/Top Radiators, Tempered Glass, USB-C & Vertical GPU Ready
74 $
Categories: Computer Cases, COMPUTER PARTS, MONTECH
AIR 903 MAX White — Expert Features
- 51% High-Airflow Mesh : The quick-release metal-mesh front panel delivers aggressive intake airflow for gaming-focused builds.
- 4 × 140mm PWM Fans : Includes 3 front HP140 ARGB PWM fans and 1 rear 140mm non-ARGB PWM fan for strong out-of-box cooling.
- 21 ARGB Lighting Effects : Cycle lighting modes using the LED button or sync compatible lighting with a supported motherboard.
- E-ATX Ready Platform : Supports E-ATX, ATX, Micro-ATX, and Mini-ITX motherboards, with SSI-EEB support also documented by MONTECH.
- 400mm GPU Clearance : Built for large flagship graphics cards, including thick and long modern GPUs.
- Dual 360mm Radiator Compatibility : Supports 360mm radiators at the front or top for serious liquid-cooling flexibility.
- Up to 9 Fan Positions : Expand beyond the included fans with top and PSU-shroud fan mounting positions.
- 180mm CPU Cooler Clearance : Supports large tower air coolers for high-performance gaming builds.
- Vertical GPU Mount Ready : Compatible with MONTECH’s optional vertical GPU mounting kit, sold separately.
- 27mm Cable-Management Space : Large routing clearance, rubber grommets, and Velcro straps make clean builds easier.
- 240mm ATX PSU Clearance : Accommodates large power supplies suited to enthusiast-class systems.
- Tempered-Glass Side Panel : Show off internal hardware, RGB effects, and your cable-management work.
- Modern Front I/O : Includes USB Type-C, 2 × USB 3.0, mic, audio, power, reset, and LED control.
- Dust Protection : Top and bottom dust filters, plus the removable front mesh, help simplify cleaning.
- ARGB Distinction : Important detail — only the 3 front fans are ARGB; the rear 140mm fan is PWM but non-ARGB.












AIR 903 MAX White — Expert Specs
| Specification | Details |
|---|---|
| Brand | MONTECH |
| Model Name | AIR 903 MAX |
| Color | White |
| Case Type | High-Airflow E-ATX Mid-Tower |
| Case Dimensions | 478 × 230 × 493mm |
| Carton Dimensions | 555 × 293 × 535mm |
| Motherboard Compatibility | E-ATX / ATX / Micro-ATX / Mini-ITX |
| Additional Motherboard Support | SSI-EEB |
| Front Panel | Quick-Release Metal Mesh |
| Front Mesh Ventilation | 51% |
| Side Panel | Tempered Glass |
| Pre-Installed Fans | 4 × 140mm PWM |
| Front Fans Included | 3 × HP140 140mm ARGB PWM |
| Rear Fan Included | 1 × 140mm Non-ARGB PWM |
| Lighting Effects | 21 |
| Lighting Control | Chassis LED Button / Compatible Motherboard Sync |
| Top Fan Support | 3 × 120mm / 2 × 140mm |
| Front Fan Support | 3 × 120mm / 3 × 140mm |
| PSU-Shroud Fan Support | 2 × 120mm |
| Rear Fan Support | 1 × 120mm / 1 × 140mm |
| Maximum Fan Positions | 9 |
| Top Radiator Support | 120 / 140 / 240 / 280 / 360mm |
| Front Radiator Support | 120 / 140 / 240 / 280 / 360mm |
| Maximum GPU Length | 400mm |
| Maximum GPU Width | 190mm |
| Maximum CPU Cooler Height | 180mm |
| Maximum ATX PSU Length | 240mm |
| Vertical GPU Mounting | Compatible MONTECH Kit, Sold Separately |
| PCIe Slots | 7 |
| Maximum 3.5-inch HDD Capacity | 2 |
| Maximum 2.5-inch SSD Capacity | 5 |
| Cable-Management Clearance | 27mm |
| Cable-Management Features | Rubber Grommets / Velcro Straps |
| Front USB Connectivity | 2 × USB 3.0 / 1 × USB Type-C |
| Audio Connectivity | Separate Microphone / Audio Jacks |
| Front Controls | Power / Reset / LED |
| Dust Filters | Top / Bottom |
| EAN (official page lists both variants) | 4710562743470 / 4710562748970 |
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