Montech Air900 ARGB-Black vs ASUS A31 Plus TG ARGB Black Case Comparison

Montech Air900 ARGB-Black and ASUS A31 Plus TG ARGB Black are both cases with the same Internal 3.5" Drive Bays (2). The main differences are in Internal 2.5" Drive Bays, Motherboard Compatibility, Front Panel I/O and Dimensions.

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Montech Air900 ARGB-Black	ASUS A31 Plus TG ARGB Black
Prices (Change region) Out of Stock Free shipping $60.00 - Buy now	Prices (Change region) Out of Stock $192.00 Last updated 13 minutes ago.
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Brand Montech	Brand ASUS
Model Air900 ARGB-Black	Model A31 Plus TG ARGB 90DC00R0-B19000
Release Date -	Release Date 📅 February 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Compatible PC parts Motherboards ► Graphics Cards ► Power Supplies ► CPU Coolers ►	Compatible PC parts Motherboards ► Graphics Cards ► Power Supplies ► CPU Coolers ►
Type ATX Mid Tower	Type ATX Mid Tower
Color Black	Color Black
Includes Power Supply No	Includes Power Supply No
External 5.25" Drive Bays 0	External 5.25" Drive Bays 0
External 3.5" Drive Bays 0	External 3.5" Drive Bays 0
Internal 2.5" Drive Bays 5	Internal 2.5" Drive Bays 0
Internal 3.5" Drive Bays 2	Internal 3.5" Drive Bays 2
Motherboard Compatibility ATX, EATX, Micro ATX, Mini ITX	Motherboard Compatibility ATX, Micro ATX, Mini ITX
Front Panel I/O None	Front Panel I/O USB 3.2 Gen 1 Type A, USB 3.2 Gen 2x2 Type C
Dimensions 430 mm x 213 mm x 480 mm	Dimensions 435 mm x 238 mm x 511 mm
Volume 44 L	Volume 53 L
Max VGA length allowance 370 mm	Max VGA length allowance 380 mm
Expansion Slots 8	Expansion Slots 7
Back Connect Support No	Back Connect Support Yes
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Comparison and key differences summary

Reasons to buy the Montech Air900 ARGB-Black:

69% cheaper, you can save $132.00
+5 internal 2.5" bays
+1 Expansion slots
Supports the following motherboard formats: EATX
Supports the following front panel USB ports: None

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Reasons to buy the ASUS A31 Plus TG ARGB Black:

Supports back-connect
Additional VGA length allowance (+10.00mm)
Supports the following front panel USB ports: USB 3.2 Gen 1 Type A, USB 3.2 Gen 2x2 Type C
Moderately more space available (+17% total case volume)

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