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Compare Asus A31 TG White vs Prime AP303 TG BLACK

Asus A31 TG White and ASUS Prime AP303 TG BLACK are both cases with the same Motherboard Compatibility (ATX, Micro ATX, Mini ITX), Front Panel I/O (USB 3.2 Gen 1 Type A, USB 3.2 Gen 2x2 Type C) and Expansion Slots (7). The main differences are in Internal 2.5" Drive Bays, Internal 3.5" Drive Bays, Dimensions and Volume.
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$63.99
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€111.49
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+ €7.99 Shipping
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Brand
Asus
Brand
Asus
Model
A31 TG White
Model
  • PRIME AP303 TG BLACK
  • 90DC00V0-B39010
Release Date
📅 February 2025
Release Date
📅 November 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
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Price history
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Compatible PC parts
Compatible PC parts
Type
ATX Mid Tower
Type
ATX Mid Tower
Color
White
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
0
Internal 2.5" Drive Bays
2
Internal 3.5" Drive Bays
2
Internal 3.5" Drive Bays
1
Motherboard Compatibility
ATX, Micro ATX, Mini ITX
Motherboard Compatibility
ATX, Micro ATX, Mini ITX
Front Panel I/O
USB 3.2 Gen 1 Type A, USB 3.2 Gen 2x2 Type C
Front Panel I/O
USB 3.2 Gen 1 Type A, USB 3.2 Gen 2x2 Type C
Dimensions
435 mm x 238 mm x 511 mm
Dimensions
485 mm x 215 mm x 425 mm
Volume
53 L
Volume
44 L
Max VGA length allowance
380 mm
Max VGA length allowance
360 mm
Expansion Slots
7
Expansion Slots
7
Back Connect Support
Yes
Back Connect Support
No
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Comparison and key differences summary

Reasons to buy the Asus A31 TG White:

  • Supports back-connect
  • +1 internal 3.5" bays
  • Additional VGA length allowance (+20.00mm)
  • Moderately more space available (+16% total case volume)

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Reasons to buy the ASUS Prime AP303 TG BLACK:

  • Newer Product, it was released around 8 months later
  • +2 internal 2.5" bays

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