Name: Montech Air 903 Base white
Brand: Montech

All specifications

Specifications Air 903 Base White

Colour

Features	gaming
Form factor	Midi Tower
Mount	vertical
Motherboard support	E-ATX
Board placement	vertical
PSU form factor	ATX (regular)


Computer case
Dimensions (HxWxD)	493x230x478 mm
PSU max lenght	240 mm
Graphics card max lenght	400 mm
Fan max height	180 mm
Weight	7.6 kg
Material	steel
Rubber feet
Side panel	removable


Storage
PSU
PSU mount	bottom
3.5" bays	1
internal 2.5" compartments	4
Expansion slots	7


Cooling
Installed fans	3 шт HP140 PWM
Fans (back)	1x140mm / 1x120mm /
Fans (front)	3x140mm / 3x120mm /
Fans (top)	2x140mm / 3x120mm /
Fans (bottom)	2x120mm
Fan mounts total	9
Dust filter	top and bottom
Liquid cooling system support

Liquid cooling system
Liquid cooling (front)	360 mm
Liquid cooling (top)	360mm
Liquid cooling mounts	2


Connectors and functions
Placement	on top of the case
USB-A 5Gbps	2 pcs
USB-C 5Gbps	1 pcs
Audio (microphone/headphones)


More features
Front panel	lattice
Side panel window	tempered glass
More features	removable HDD cage hidden wiring CPU cooling mount window
Official Website	montechpc.com
Added to E-Catalog	December 2023

E-Catalog UK editor, Computer Cases

Valerii Lenko, edited 07.04.2026

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Montech 2026 - new arrivals, bestsellers, and the most relevant models Montech.