Montech AIR903BASEW
Montech AIR 903 Base E-ATX Mid Tower Case Instruction Manual
Model: AIR903BASEW
Увод
Thank you for choosing the Montech AIR 903 Base E-ATX Mid Tower Case. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your new PC case. Designed for high airflow and maximum capacity, the AIR 903 Base ensures superior thermal performance for your components, including support for large GPUs and extensive cooling solutions.

Figure 1: Montech AIR 903 Base E-ATX Mid Tower Case, showcasing its high airflow mesh front and spacious interior.
Кључне карактеристике
- High Airflow Design: Innovative metal front panel with 51% ventilation rate for optimal cooling performance.
- Лако одржавање: Meticulously designed mesh front panel acts as a dust filter and is easily detachable for cleaning.
- Унапред инсталирани вентилатори: Includes 3 x 140mm PWM fans for efficient cooling.
- Extensive Cooling Support: Accommodates 360mm AIO coolers at both the front and top, with 180mm height clearance for CPU tower coolers.
- Broad Component Compatibility: Supports graphics cards up to 400mm in length and 190mm in width, including NVIDIA GeForce RTX 40 series GPUs.
- Бочна плоча од каљеног стакла: Пружа јасан view ваших унутрашњих компоненти.
- Модерно повезивање: Features Type-C and USB 3.0 ports on the front I/O.
Водич за подешавање
1. Распакивање
Carefully remove the case from its packaging. Inspect the case for any signs of damage during transit. Retain the packaging for future transportation or storage.
2. Цомпонент Оверview
Familiarize yourself with the internal layout of the case. The Montech AIR 903 Base features a spacious interior designed for easy installation and optimal cable management.

Figure 2: Internal layout of the Montech AIR 903 Base, highlighting component mounting areas.
3. Инсталација матичне плоче
The case supports E-ATX, ATX, Micro-ATX, and Mini-ITX motherboards. Install the necessary standoffs for your motherboard form factor. Carefully align your motherboard with the standoffs and I/O shield, then secure it with screws.
4. Инсталација напајања
Install your ATX power supply into the dedicated compartment at the bottom rear of the case. Ensure the PSU fan faces the bottom ventilation cutout for optimal airflow. Secure the PSU with screws from the rear of the case.
5. Инсталација уређаја за складиштење података
The case provides mounting points for 2.5" SSDs and 3.5" HDDs. Locate the drive cages or mounting brackets and secure your storage devices using the provided screws or tool-less mechanisms.
6. Инсталација графичке картице
Remove the necessary expansion slot covers at the rear of the case. Insert your graphics card into the PCIe slot on your motherboard and secure it with the retention clip and screw. The case supports GPUs up to 400mm in length.
7. Менаџмент каблова
Utilize the cable routing cutouts and tie-down points behind the motherboard tray to manage your cables. This improves airflow and gives your build a cleaner appearance.
Операција
1. Укључивање
After connecting all components and external peripherals, press the power button located on the top I/O panel to power on your system. Ensure all power cables are securely connected.

Figure 3: Top I/O panel with power button, USB 3.0, and Type-C ports.
2. Контрола вентилатора
The pre-installed 140mm PWM fans can be controlled via your motherboard's fan headers and BIOS settings, allowing for dynamic speed adjustments based on system temperatures. If your model includes ARGB fans, connect them to a compatible ARGB header on your motherboard or a dedicated controller for lighting effects.
Одржавање
1. Чишћење
Regular cleaning is essential to maintain optimal airflow and prevent dust buildup. The mesh front panel and top filter are designed for easy removal and cleaning. Gently detach them and use compressed air or a soft brush to remove accumulated dust. Clean the interior of the case periodically with compressed air.

Figure 4: Detachable mesh front panel for convenient dust filter cleaning.
2. Оптимизација протока ваздуха
Ensure that all case fans are oriented correctly to create a positive or neutral airflow pressure inside the case, pushing cool air in and exhausting hot air out. Avoid obstructing ventilation openings.
Решавање проблема
- Нема напајања:
решење: Check all power connections, including the PSU to the wall outlet, the 24-pin ATX cable, and the 8-pin CPU power cable to the motherboard. Ensure the power button header is correctly connected to the motherboard. - Вентилатори се не окрећу:
решење: Verify that fan cables are securely connected to the motherboard fan headers. Check BIOS settings to ensure fan control is enabled and not set to 0 RPM. - Overheating Components:
решење: Ensure proper fan orientation for optimal airflow. Clean dust filters and internal components. Verify CPU cooler and GPU cooler are properly seated and functioning. - Предњи И/О портови не раде:
решење: Check that the USB and audio headers from the case are correctly connected to the corresponding pins on your motherboard.
Техничке спецификације
| Категорија | Детаљ |
|---|---|
| Модел | AIR903BASEW |
| Тип случаја | Мид Товер |
| Боја | Base White |
| Материјал | Каљено стакло, метал |
| Димензије производа (ДкШкВ) | 19.69 к 19.69 к 11.02 инча (500 к 500 к 280 мм) |
| Тежина артикла | 18.39 фунте (8.34 кг) |
| Компатибилност матичне плоче | Е-АТКС, АТКС, Мицро-АТКС, Мини-ИТКС |
| Слотови за проширење | 7 |
| Унапред инсталирани вентилатори | 3 x 140mm PWM Fans |
| Подршка радијатора | Напред: до 360 мм; Горе: до 360 мм |
| ГПУ Цлеаранце | Up to 400mm (length), 190mm (width) |
| Висина хладњака процесора | До 180 мм |
| Предњи И / О портови | 2 x USB 3.0, 2 x USB 2.0, 1 x Type-C, Audio In/Out |

Figure 5: Montech AIR 903 Base case dimensions.
Гаранција и подршка
Montech products are manufactured to the highest quality standards. For specific warranty terms and conditions, please refer to the warranty information provided with your purchase or visit the official Montech website. If you encounter any issues or require technical assistance, please contact Montech customer support through their official channels.
Note: This manual is intended as a guide. Specifications and features may be subject to change without prior notice.