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Compare NZXT H2 Flow vs Phanteks Evolv Shift 2 Air Black

NZXT H2 Flow and Phanteks Evolv Shift 2 Air Black are both cases with the same Internal 2.5" Drive Bays (2) and Motherboard Compatibility (Mini ITX). The main differences are in Internal 3.5" Drive Bays, Front Panel I/O, Dimensions and Volume.
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Brand
NZXT
Brand
Phanteks
Model
CI-H21FB-01
Model
PH-ES217A_BK02
Release Date
📅 February 2026
Release Date
📅 December 2020
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★☆
(30 reviews)
Price history
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Price history
View Details ►
Compatible PC parts
Compatible PC parts
Type
Mini ITX Tower
Type
Mini ITX 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
0
Internal 3.5" Drive Bays
1
Motherboard Compatibility
Mini ITX
Motherboard Compatibility
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
Dimensions
263 mm x 181 mm x 435 mm
Dimensions
186 mm x 490 mm x 274 mm
Volume
21 L
Volume
25 L
Max VGA length allowance
331 mm
Max VGA length allowance
335 mm
Expansion Slots
3
Expansion Slots
2
Back Connect Support
No
Back Connect Support
No
-

Comparison and key differences summary

Reasons to buy the NZXT H2 Flow:

  • Newer Product, it was released around 5 years later
  • +1 Expansion slots
  • Supports the following front panel USB ports: USB 3.2 Gen 2x2 Type C

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Reasons to buy the Phanteks Evolv Shift 2 Air Black:

  • 53% cheaper, you can save $80.00
  • +1 internal 3.5" bays
  • Additional VGA length allowance (+4.00mm)
  • Moderately more space available (+17% total case volume)

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