NZXT

NZXT H3 Flow

Status: NZXT H3 Flow: Unavailable on Amazon as of 2026-10-18 04:19 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.

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Bottom line: The NZXT H3 Flow: Fits a 280mm front and 240mm top radiator in a micro-ATX footprint; main trade-off: only one 120mm fan included; intake fans cost extra.

Unavailable on Amazon as of 2026-10-18 04:19 UTC

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

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

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-18

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

✓ Fits a 280mm front and 240mm top radiator in a micro-ATX footprint
✓ GPU clearance up to 377mm without front fans
✓ Supports ASUS BTF and MSI Project Zero back-connect boards
✓ Up to seven fan mounts; F120Q rear exhaust fan included
✓ Tool-free removable top, front and side panels

Cons

✗ Only one 120mm fan included; intake fans cost extra
✗ GPU clearance drops to 317mm with a front radiator and fans
✗ Top radiator mount maxes out at 240mm
✗ Sized for micro-ATX boards, so full ATX builds are out

Manufacturer description

The NZXT H3 Flow is a micro-ATX PC case built for compact, high-performance gaming builds that still need strong airflow. Ultra-fine steel mesh covers the panels and the PSU shroud to pull in cool air and filter dust. The white finish suits clean, bright setups. Cooling support is generous for a small chassis. You can mount up to a 280mm radiator at the front and a 240mm radiator at the top, or run up to seven fans. A pre-installed F120Q (CV) 120mm rear fan handles exhaust right out of the box. GPU clearance is large enough for full-size cards: up to 377mm without front fans, 352mm with…

SpecPicks Verdict

SpecPicks scored NZXT H3 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.

Frequently Asked Questions

What is the longest graphics card the NZXT H3 Flow can fit?

It fits GPUs up to 377mm long with no front fans, 352mm with front fans installed, and 317mm with both a front radiator and fans installed.

What radiator sizes does the H3 Flow support?

It supports up to a 280mm radiator at the front and up to a 240mm radiator at the top, so it can take a 240mm or 280mm AIO liquid cooler.

How many fans come with the NZXT H3 Flow, and how many can it hold?

It ships with one F120Q (CV) 120mm fan mounted at the rear for exhaust. The case supports up to seven fans in total, so you will need to buy intake fans separately.

Does the H3 Flow work with back-connect motherboards?

Yes. It is fully compatible with rear-connect motherboards such as ASUS BTF and MSI Project Zero, which put the connectors on the back of the board for a cleaner-looking interior. Standard micro-ATX boards also fit.

Do I need tools to open the NZXT H3 Flow?

No. The top, front and side panels come off without tools for upgrades and cleaning. For warranty terms, check the current product listing or NZXT's support site for model CC-H31FW-01.

Key Features

SPACE-SAVING SIZE — A space-efficient micro-ATX chassis that accommodates high-performance components without compromise.
HIGH-AIRFLOW DESIGN — Ultra-fine steel mesh on the panels and PSU shroud maximizes airflow while effectively filtering dust.
EXTENSIVE COOLING SUPPORT — Supports up to a 280 mm radiator at the front, a 240 mm radiator at the top, and up to seven fans for powerful cooling performance.
FULL-SIZE GRAPHICS CARDS — Fits GPUs up to 377 mm (without front fans), 352 mm (with front fans), and 317 mm (with front radiator and fans installed).
PRE-INSTALLED REAR FAN — Comes equipped with a F120Q (CV) fan at the rear for efficient exhaust airflow right out of the box.
EASY CABLE MANAGEMENT — Integrated cable channels and tie-down points simplify cable routing for a clean and organized build.

Full Specifications

Brand	NZXT
Color	White
Material	Alloy Steel
Case Type	Mid Tower
Model Name	NZXT H3
Unit Count	1.0 Count
Model Number	CC-H31FW-01
Compatibility	PC
Cooling Method	Air
Mfr Part Number	CC-H31FW-01
Antenna Location	Gaming
Compatible Devices	Micro-ATX motherboards, full-sized GPUs, various cooling systems (radiators and fans), standard power supply units, storage drives, and expansion cards
Enclosure Material	Alloy Steel
Total USB 3.0 Ports	2
Warranty Description	2 Year Manufacturer
Supported Motherboard	Micro ATX
Internal Bays Quantity	3
Motherboard Compatability	Micro ATX
Power Supply Mounting Type	Bottom Mount
Recommended Uses For Product	Gaming
Full listing title	NZXT H3 Flow – Micro-ATX PC Case – Optimized Airflow – Includes 1 x 120mm Rear Fan – Supports Full-Sized GPUs – Fits 280mm Front, 240mm Top Radiator – Back-Connect Motherboard – White

Ready to buy?

Amazon shows no buyable offer for NZXT H3 Flow at the last check. A similar in-stock product is RAIDMAX V217 ATX Mid Tower Mesh Gaming PC Case. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $59.99