Case · Montech
Montech Air 903 Max
Montech Air 903 Max accepts ATX, MATX, ITX motherboards with up to 400 mm of graphics-card clearance and 180 mm of CPU-cooler clearance. It has a 65 L volume and ships with 4 fans. Its Rigwise preview acoustic index is 48.
Best for
- Long graphics cards and large air coolers
- Airflow-first builds with high-power components
Main trade-offs
- 5 2.5-inch bays
- Acoustic index 48 on the Rigwise preview scale
Lowest sample total
$83
Across 2 demo retailer offers including shipping. 0% below the sample-window median.
- Offers
- 2
- Updated
- Aug 12, 2026
2 in stock
Data version lquy6dkw0qq7
Retailer offers
Retailer offers
Ranked by delivered total, stock and data freshness. Commission never affects this order.
| Retailer | Price | Shipping | Total | Availability | Open retailer |
|---|---|---|---|---|---|
| BitForge SupplyBest totalAffiliate partnerSample feed14-day returns · observed 4 d ago | $77.99 | $4.99 | $82.98 | In stock | Go to store |
| Atlas ComponentsNo affiliate linkSample feed30-day returns · observed 4 d ago | $82.99 | Free | $82.99 | In stock | Go to store |
Sample data — illustrative fixture prices from a demo feed, not live retailer quotes. We are not the seller and take no payment. How offers are verified.
Price history
Lowest observed sample total per observation date, 9 points.
- Lowest
- $77
- Highest
- $86
- Median
- $83
- Current best
- $83
Dashed line marks the median of the sample window. All values are illustrative fixture data.
Normalized specifications
Canonical values after unit normalization. Fields used by the compatibility engine are marked.
- Motherboard supportcompat
- ATX, microATX, Mini-ITX
- Max GPU lengthcompat
- 400 mm
- Max CPU cooler heightcompat
- 180 mm
- PSU supportcompat
- ATX
- Radiator supportcompat
- 120, 140, 240, 280, 360
- Included fans
- 4
- Sound dampening
- No
- Volume
- 65 L
- 2.5-inch bays
- 5
- Side panel
- Tempered glass
- Colour
- Black
- RGB included
- Yes
- Acoustic index (lower is quieter)
- 48
Compatibility
Every pairing below was evaluated by the same rule engine the builder uses.
Motherboard
20 of 20 compatibleWorks with ASRock B650M Pro RS WiFi, ASRock B860 Steel Legend WiFi, ASRock X870 Steel Legend WiFi and 17 more.
Graphics card
20 of 20 compatibleWorks with ASUS Dual GeForce RTX 4060 EVO OC 8GB, ASUS Prime GeForce RTX 5060 8GB OC, ASUS Prime GeForce RTX 5060 Ti 16GB OC and 17 more.
CPU cooler
20 of 20 compatibleWorks with ARCTIC Liquid Freezer III 240, ARCTIC Liquid Freezer III 360, ASUS ROG Ryujin III 360 ARGB and 17 more.
Power supply
20 of 20 compatibleWorks with ASUS TUF Gaming 1000W Gold, Cooler Master MWE Gold 850 V2 Full Modular, Corsair RM1000x (2024) and 17 more.
Corsair SF1000 (2024) is an SFX unit in an ATX bay. An SFX-to-ATX mounting bracket is required.
Corsair SF750 (2024) is an SFX unit in an ATX bay. An SFX-to-ATX mounting bracket is required.
Provenance
Every canonical value carries the source it came from, when it was retrieved and how confident we are.
| Field | Source | Retrieved | Confidence |
|---|---|---|---|
colorway | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
driveBays25 | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
includedFans | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
maxCoolerHeightMm | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
maxGpuLengthMm | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
noiseIndex | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
radiatorSupportMm | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
rgbIncluded | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
sidePanel | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
soundDampening | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
supportedMotherboardFormFactors | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
supportedPsuFormFactors | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
volumeLitres | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
Catalog preview
Montech Air 903 Max is a real product identity with curated compatibility specifications. Sample prices, availability, performance values and acoustic indexes are included to exercise the decision system and are not live or measured evidence.