NZXT H2 Flow vs Rosewill Helium NAS Max
Standardized 5-pillar engineering audit, thermal telemetry, verified longevity metrics, and complete technical specification diff.
The NZXT H2 Flow delivers remarkable spatial density by accommodating 331 mm triple-slot GPUs and 280 mm radiators in a 20.7L steel-and-glass enclosure, trading tower air cooler height and ATX power supply support for a compact desk profile.
High-capacity ATX mid-tower chassis tailored for home server builds, offering eleven 3.5-inch drive bays, BTF motherboard support, and four pre-installed 140mm PWM fans.
Mizex Comparative Audit Verdict
5-Pillar Engineering Telemetry
Detailed comparison across standardized normalized 1.0 – 5.0 engineering pillars.
NZXT H2 Flow: Strengths & Caveats
- Accommodates full-length triple-slot graphics cards up to 13.03 in (331 mm) and 2.56 in (65 mm) thickness
- Supports up to 280 mm liquid cooling radiators within a compact 20.7-liter footprint
- Equipped with a high-bandwidth USB 3.2 Gen 2x2 Type-C front I/O port
- Includes two pre-installed F120Q 120 mm exhaust fans
- CPU cooler height clearance is strictly capped at 2.95 in (75 mm), precluding tower air coolers
- Power supply compatibility is restricted to SFX and SFX-L units only
Rosewill Helium NAS Max: Strengths & Caveats
- Massive storage expansion supporting up to 11 x 3.5-inch HDDs and 2 x 2.5-inch SSDs
- Turnkey cooling setup with four pre-installed 140mm PWM fans and front mesh ventilation
- Broad hardware compatibility including BTF back-connect motherboards and up to 420mm GPU clearance
- Modern front I/O featuring a dedicated USB 3.2 Type-C port
- Tempered glass side panel favors desktop aesthetics over acoustic dampening panels standard in server closets
- Fully populating eleven mechanical hard drives substantially increases chassis weight and cable congestion
Technical Specification Comparison
Side-by-side spec alignment. Rows highlighted with subtle shading denote differing specifications.
| Specification | NZXT H2 Flow | Rosewill Helium NAS Max |
|---|---|---|
| Brand DIFF | NZXT | Rosewill |
| Model DIFF | H2 Flow | Helium NAS Max |
| Form Factor DIFF | Small Form Factor (SFF) Mini-ITX | ATX Mid Tower |
| Enclosure Volume DIFF | 20.7 L (0.73 cu ft) | — |
| Exterior Dimensions DIFF | 17.1 x 7.1 x 10.4 in (435 x 181 x 263 mm) | — |
| Weight DIFF | 10.03 lbs (4.55 kg) | — |
| Chassis Materials DIFF | Steel, Tempered Glass | Steel, Plastic, Tempered Glass |
| Motherboard Support DIFF | Mini-ITX | E-ATX, ATX, Micro ATX, Mini ITX, BTF Back-Connect |
| Expansion Slots DIFF | 3 | 7 |
| Internal Drive Bays DIFF | 2x 2.5 in | — |
| GPU Maximum Length DIFF | 13.03 in (331 mm) | — |
| GPU Maximum Thickness DIFF | 2.56 in (65 mm) | — |
| GPU Maximum Width DIFF | 5.91 in (150 mm) | — |
| CPU Cooler Clearance Height DIFF | 2.95 in (75 mm) | — |
| Power Supply Form Factor Support DIFF | SFX, SFX-L | — |
| Front I/O Ports DIFF | 1x USB 3.2 Gen 2x2 Type-C, 2x USB 3.2 Type-A, 1x 3.5 mm Headset Jack | — |
| Pre Installed Fans DIFF | 2x F120Q (Case Version) 120 mm fans | 4 x 140mm PWM |
| Fan Mount Locations DIFF | Front: 2x 120 mm / 2x 140 mm; Top: 2x 120 mm | — |
| Radiator Support DIFF | Front: 240 mm / 280 mm (up to 2.36 in / 60 mm total thickness) | — |
| Color Options DIFF | White, Black | — |
| Internal 3.5 Inch Bays DIFF | — | 11 |
| Internal 2.5 Inch Bays DIFF | — | 2 |
| Front Fan Mounts DIFF | — | 3 x 120mm / 3 x 140mm |
| Top Fan Mounts DIFF | — | 2 x 140mm |
| Rear Fan Mounts DIFF | — | 1 x 120mm / 1 x 140mm |
| Radiator Clearance DIFF | — | Up to 360mm |
| Maximum GPU Length DIFF | — | 420 mm |
| Maximum CPU Cooler Height DIFF | — | 180 mm |
| Front Panel I/O DIFF | — | 1 x USB 3.2 Type-C, 1 x USB 3.0, Audio |
| Dust Filters DIFF | — | Yes |
Need to evaluate a different configuration?
🔍 Compare Other Hardware