NZXT
NZXT H7 Flow (2024)
$129.99
Released 2024
Best PC Cases · head-to-head
NZXT H7 Flow (2024) vs Montech AIR 903 MAX
A sourced, side-by-side comparison. Montech AIR 903 MAX is cheaper at $75. Every spec and price links to its source.
Montech
Montech AIR 903 MAX
$75Cheaper
Released 2023-06
Which is better: the NZXT H7 Flow (2024) or Montech AIR 903 MAX?
On the specs we track, they're closely matched. The Montech AIR 903 MAX is the cheaper at $75.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec |  NZXT H7 Flow (2024) |  Montech AIR 903 MAX |
|---|---|---|
| US price | $129.99 | $75 |
| Brand | NZXT | Montech |
| Released | 2024 | 2023-06 |
| Form factor | Mid-Tower (ATX/mATX/ITX/E-ATX) | Mid-Tower (E-ATX/ATX/mATX/ITX) |
| Max GPU length (mm) | 410 | 400 |
| Max cooler height (mm) | 185 | 180 |
| Included fans | 3 x 120 mm F120Q (non-RGB variant) | 3 x 140 mm ARGB PWM (front) + 1 x 140 mm PWM (rear) |
| Radiator support | Front: 420 mm; Top: 360 mm; Rear: 140 mm | Front: 360/280/240/140/120 mm; Top: 360/280/240/140/120 mm |
| Side panel | Tempered Glass (dark tint on Black; ultra-clear on White) | Tempered Glass |
| Dimensions (mm) | 468 x 244 x 544 | 478 x 230 x 493 |
| Release | 2024 | 2023-06 |
Sources — NZXT H7 Flow (2024): nzxt.com (verified 2026-10-20). Montech AIR 903 MAX: newegg.com (verified 2026-06-15).
What's the difference between the NZXT H7 Flow (2024) and Montech AIR 903 MAX?
Where the two actually differ on the specs we track (7 of 7). Matching specs are omitted.
- Form factor: NZXT H7 Flow (2024) Mid-Tower (ATX/mATX/ITX/E-ATX) vs Montech AIR 903 MAX Mid-Tower (E-ATX/ATX/mATX/ITX)
- Max GPU length (mm): NZXT H7 Flow (2024) 410 vs Montech AIR 903 MAX 400
- Max cooler height (mm): NZXT H7 Flow (2024) 185 vs Montech AIR 903 MAX 180
- Included fans: NZXT H7 Flow (2024) 3 x 120 mm F120Q (non-RGB variant) vs Montech AIR 903 MAX 3 x 140 mm ARGB PWM (front) + 1 x 140 mm PWM (rear)
- Radiator support: NZXT H7 Flow (2024) Front: 420 mm; Top: 360 mm; Rear: 140 mm vs Montech AIR 903 MAX Front: 360/280/240/140/120 mm; Top: 360/280/240/140/120 mm
- Side panel: NZXT H7 Flow (2024) Tempered Glass (dark tint on Black; ultra-clear on White) vs Montech AIR 903 MAX Tempered Glass
- Dimensions (mm): NZXT H7 Flow (2024) 468 x 244 x 544 vs Montech AIR 903 MAX 478 x 230 x 493
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
NZXT H7 Flow (2024)
One whitelisted tester's quotes survived verification. Tom's Hardware tested this exact model (H7 Flow 2024) and rates it a solid, airflow-focused mid-tower that is very easy to build in, with room for up to 10 fans and large radiators, but flags conservative styling, no dust filters, and the need to add your own fans to exploit the improved airflow. A TechPowerUp review of the same case was dropped because only its intro page could be read, so none of its conclusion quotes could be verified. Numeric temp and noise results sit in image charts, so no measured values could be extracted verbatim. (1 sourced review, 1 lab-tested.)
Praised: Super easy to build in, with room for up to 10 fans and large radiators; Mesh-front, airflow-oriented design keeps thermals solid.
Flagged: Design feels a bit boring; NZXT played it safe with the update; Ships without enough fans; you must add your own to exploit the airflow; No dust filters.
Montech AIR 903 MAX
Two hands-on testers (Tom's Hardware, TechPowerUp) both rate the Air 903 Max a standout budget airflow case, praising strong thermals and its sub-$80 price with four fans and a PWM/ARGB hub. Tom's measured a fairly loud 48.5 dBA peak and flagged PWM noise oscillation at 40-49%; TPU's gripes were cosmetic and cable-routing (blue USB-A ports, missing grommets). No RTINGS/PCMag coverage found. (1 sourced review, 1 lab-tested.)
Praised: Strong thermal/airflow performance for the price; Sub-$80 value with four included 140mm fans plus a PWM/ARGB hub; Broad hardware support (E-ATX boards, long GPUs, up to 6-7 drives, 360mm radiators).
Flagged: Fairly loud 48.5 dBA peak plus PWM noise oscillation at 40-49%; Cable-management gaps: missing grommets, hard to hide wires with air coolers; Cosmetic/quality nits: blue USB-A ports, non-unified front-panel header.