ASUS Box ROG Strix Helios II EATX Mid-Tower Case Black

The ASUS ROG Strix Helios II is a premium EATX mid-tower gaming case designed for showcase builds and high-performance systems. It features a brushed-aluminum frame with a diamond grille front, dual tempered glass side panels, and four pre-installed 140 mm PWM fans for strong airflow. The chassis supports EATX motherboards, GPUs up to 450 mm, and front radiators up to 420 mm — ideal for advanced air or water-cooled builds.

• Aluminum frame with diamond-grille front and 3D-structured filter
• Dual 4 mm tempered glass side panels
• 4 × 140 mm PWM pre-installed fans
• EATX support (12" x 10.9") and GPU clearance up to 450 mm
• 2 × USB 3.2 Gen 2x2 Type-C and 4 × USB 3.2 Gen1 ports
• 33 mm cable management space

Specifications

• Model: ROG Strix Helios II (GX601S)
• Case type: Mid Tower (supports EATX 12" x 10.9")
• Pre-installed fans: 3 × 140 mm (front) + 1 × 140 mm (rear)
• Radiator support: Front up to 420 mm; Top up to 360 mm; Rear 120/140 mm
• Max GPU length: 450 mm
• Max CPU cooler height: 190 mm
• Max PSU length: 220 mm
• Drive bays: 2 × 3.5" (combo) + 4 × 2.5"
• I/O: 2 × USB 3.2 Gen 2x2 Type-C, 4 × USB 3.2 Gen1, 1 × headset
• Cable management: 33 mm
• Dimensions (W×H×D): 250 × 565 × 591 mm
• Weight: 18 kg
• ARGB / AURA: ARGB support (AURA Sync compatible)

Review

The ROG Strix Helios II blends premium materials with practical features for enthusiasts who want a showpiece build. Its spacious interior supports EATX motherboards and long GPUs, while the pre-installed 140 mm fans and generous radiator support keep temperatures under control. Tool-less panels, GPU holders and modular mounts make building straightforward.

Pros

• High-quality aluminum and tempered-glass construction
• Excellent expandability (EATX support, 450 mm GPU)
• Strong cooling potential — 4 × 140 mm fans and up to 420 mm radiator
• User-friendly build features (tool-less panels, modular mounts)

Cons

• Heavy at ~18 kg
• Premium price compared to standard mid-towers