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Compare Antec Flux M vs Phanteks XT M3

Antec Flux M and Phanteks XT M3 are both cases with the same Internal 2.5" Drive Bays (2) and Motherboard Compatibility (Micro ATX, Mini ITX). The main differences are in Internal 3.5" Drive Bays, Front Panel I/O, Dimensions and Volume.
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$69.99
Last updated 25 minutes ago.
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$44.99 ($59.99)
$10.00 Mail-in rebate, $5.00 off w/ promo code: KDP248, ends 6/30
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Brand
Antec
Brand
Phanteks
Model
  • 0-761345-10253-7
  • FLUX M
Model
  • PH-XT325M_BK01
  • PH-XT325M_DBK01
Release Date
📅 October 2025
Release Date
📅 July 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
MicroATX Mini Tower
Type
MicroATX 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
2
Internal 2.5" Drive Bays
2
Internal 3.5" Drive Bays
2
Internal 3.5" Drive Bays
1
Motherboard Compatibility
Micro ATX, Mini ITX
Motherboard Compatibility
Micro ATX, Mini ITX
Front Panel I/O
USB 3.2 Gen 1 Type A, USB 3.2 Gen 2 Type C
Front Panel I/O
USB 3.2 Gen 1 Type A, USB 3.2 Gen 2x2 Type C
Dimensions
459 mm x 247 mm x 365 mm
Dimensions
460 mm x 235 mm x 370 mm
Volume
41 L
Volume
40 L
Max VGA length allowance
405 mm
Max VGA length allowance
430 mm
Expansion Slots
5
Expansion Slots
4
Back Connect Support
No
Back Connect Support
No

Comparison and key differences summary

Reasons to buy the Antec Flux M:

  • +1 internal 3.5" bays
  • +1 Expansion slots
  • Supports the following front panel USB ports: USB 3.2 Gen 2 Type C
  • Slightly more space available (+3% total case volume)

Buy now

Reasons to buy the Phanteks XT M3:

  • 36% cheaper, you can save $25.00
  • Additional VGA length allowance (+25.00mm)
  • Supports the following front panel USB ports: USB 3.2 Gen 2x2 Type C

Buy now

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