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 – Black
*Price sourced from Amazon.com. Last updated 2026-05-25. Price and availability subject to change.
The H3 Flow (CC-H31FB-01) is a space-efficient micro-ATX PC case delivering exceptional airflow and versatile component compatibility. Designed for optimal cooling, the mesh panels and ventilated PSU shroud keep high-performance components running smoothly.
SpecPicks Verdict
SpecPicks classifies NZXT H3 Flow – Micro-ATX PC Case – Optimized Airflow – Includes 1 x… as a category leader on buyer feedback in the pc cases category, based on 557 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. NZXT's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.8★ average across customer reviews
- ✓ Backed by NZXT's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
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.
Full Specifications
| Brand | NZXT |
|---|---|
| Color | Black |
| Material | Alloy Steel |
| Case Type | Mid Tower |
| Model Name | NZXT H3 |
| Unit Count | 1.0 Count |
| Model Number | CC-H31FB-01 |
| Compatibility | PC |
| Cooling Method | Air |
| Mfr Part Number | CC-H31FB-01 |
| Antenna Location | Gaming |
| Compatible Devices | Micro-ATX motherboards, full-sized graphics cards, 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 |
Ready to buy?
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 – Black is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-25. Price and availability subject to change.
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