NZXT

NZXT H2 Flow

Name: NZXT H2 Flow - Mini-ITX 20.7L Airflow PC Case - Black | Compact 20.7L Mini-ITX case with 2 included 120mm top fans and PCIe 5.0 riser
Brand: NZXT
SKU: B0FJD21RLV

Status: NZXT H2 Flow - Mini-ITX 20.7L Airflow PC Case…: Unavailable on Amazon as of 2026-10-06 22:22 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

🛒 Search eBay for this model

Bottom line: The NZXT H2 Flow: 20.7L footprint fits GPUs up to 331mm, so full-size cards still work; main trade-off: mini-ITX only, so no micro-ATX or ATX motherboard support.

Unavailable on Amazon as of 2026-10-06 22:22 UTC

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Similar: NZXT H5 Flow - Compact ATX Mid-Tower PC Case… — $64.99 on Amazon as of 2026-10-07 04:20 UTC (price may vary).

View Current Price — $64.99

Similar: NZXT H5 Flow 2024 - Compact ATX Mid-Tower PC… — $64.99 on Amazon as of 2026-10-06 10:24 UTC (price may vary).

View Current Price — $64.99

Similar: NZXT H6 Flow — $69.99 on Amazon as of 2026-10-07 04:20 UTC (price may vary).

View Current Price — $69.99

Original listing (currently unavailable) → Compare to similar pc cases

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ 20.7L footprint fits GPUs up to 331mm, so full-size cards still work
✓ Two F120Q CV 120mm top fans pre-installed for immediate exhaust cooling
✓ PCIe 5.0 riser cable included for full-bandwidth vertical GPU mounting
✓ Supports up to a 280mm radiator despite the mini-ITX form factor
✓ Tool-less panels and Velcro cable straps speed up first-time ITX builds

Cons

✗ Mini-ITX only, so no micro-ATX or ATX motherboard support
✗ 331mm GPU ceiling rules out the longest triple-slot flagship cards
✗ Mesh panels demand regular dust filter cleaning in carpeted rooms

Manufacturer description

NZXT H2 Flow (CI-H21FB-01) is a mighty, compact vertical mini-ITX case designed to save space while showcasing top-tier components. Smart cable management, tool-less access, dual top fans, and a premium PCIe 5.0 riser cable make the building experience fast and simple.

SpecPicks Verdict

SpecPicks scored NZXT H2 Flow using a rating × review-volume × price-fit model applied to published specs and reviews across the pc cases category. NZXT's pc cases lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for pc cases of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

SHOWCASE YOUR LIQUID COOLING — Hybrid glass-and-mesh side panel reveals your build while supporting up to a 280 mm radiator for efficient, sustained cooling.
COMPACT SIZE. SERIOUS PERFORMANCE — A 20.7 L design fits most GPUs up to 331 mm, bringing high-end power to a footprint smaller than a sheet of paper.
AIRFLOW, FROM EVERY SIDE — Ultra-fine mesh panels maximize fresh air intake while filtering dust to keep components cooler, cleaner, and performing consistently.
DESIGNED FOR EFFORTLESS BUILDS — Tool-less panels, integrated cable routing Velcro straps simplify installation while maintaining a clean, organized interior.
PERFORMANCE, PRE-INSTALLED — Premium PCIe 5.0 riser cable and dual F120Q CV fans enable full-bandwidth vertical GPU mounting and immediate exhaust cooling.

Full Specifications

Brand	NZXT
Color	Black
Material	Glass, Metal
Case Type	Mini-Tower
Model Name	NZXT H2
Unit Count	1 Count
Model Number	CI-H21FB-01
Compatibility	PC
Cooling Method	Air, Liquid
Mfr Part Number	CI-H21FB-01
Antenna Location	Gaming
Compatible Devices	Gaming Console
Enclosure Material	Glass, Metal
Total USB 3.0 Ports	1
Warranty Description	2 Year Manufacturer
Supported Motherboard	Mini ITX
Motherboard Compatability	Mini ITX
Power Supply Mounting Type	Bottom Mount
Recommended Uses For Product	Gaming
Other Special Features of the Product	Tool-less Installation, Integrated Cable Management
Full listing title	NZXT H2 Flow - Mini-ITX 20.7L Airflow PC Case - Black \| Compact 20.7L Mini-ITX case with 2 included 120mm top fans and PCIe 5.0 riser. Small-form-factor airflow done right.

Ready to buy?

Amazon shows no buyable offer for NZXT H2 Flow - Mini-ITX 20.7L Airflow PC Case… at the last check. A similar in-stock product is NZXT H5 Flow - Compact ATX Mid-Tower PC Case…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $64.99