Product Description
Xigmatek Osiris E-ATX Mid-Tower Case – Premium Airflow, 4× Pre-Installed Fans, Tempered Glass, and High-End Hardware Support
The Xigmatek Osiris (EN46803) is a powerful mid-tower E-ATX chassis built for gamers, creators, and enthusiasts who demand exceptional airflow and modern design. With a full mesh front panel, 4 pre-installed ARGB fans, and a tempered glass side panel, it delivers both cooling efficiency and a clean, high-end aesthetic.
Engineered for performance-focused builds, the Osiris supports E-ATX motherboards (including back-plug designs), large GPUs up to 400 mm, CPU coolers up to 180 mm, and PSUs up to 220 mm. It also features dual 360 mm radiator support—front and top—making it ideal for advanced liquid-cooling setups.
Designed for convenience, the case includes dust filters, tool-free drive bays, vertical GPU mounting (90°), and a well-organized interior for easy cable routing. With versatile drive support and multiple fan/radiator configurations, the Osiris is crafted to accommodate high-performance hardware with superior cooling.
Whether you're building a top-tier gaming system or a professional workstation, the Xigmatek Osiris combines style, airflow, and expandability in one premium chassis.
Specifications
| Category | Details |
| Product Name | Xigmatek Osiris |
| Model Number | EN46803 |
| Color | Black |
| Material | Steel + Tempered Glass |
| Dimensions (L × W × H) | 465 × 238 × 481 mm |
| Motherboard Support | E-ATX (Back-Plug Supported), ATX, Micro-ATX, Mini-ITX |
| Drive Bays | HDD: 3.5″ ×2 + 2.5″ ×1 SSD Bracket: 2.5″ ×2 |
| Fan Support (Front) | 3 × 120mm or 3 × 140mm |
| Fan Support (MB Side) | 2 × 120mm (E-ATX width ≤ 285 mm) |
| Fan Support (Top) | 3 × 120mm or 2 × 140mm |
| Fan Support (PSU Shroud) | 2 × 120mm |
| Fan Support (Rear) | 1 × 120mm or 1 × 140mm |
| Pre-Installed Fans | 4 × ARGB Fans |
| Radiator Support (Front) | 240 / 280 / 360 mm |
| Radiator Support (MB Side) | 240 mm |
| Radiator Support (Top) | 240 / 280 / 360 mm |
| Radiator Support (Rear) | 120 mm |
| GPU Clearance | 285 mm (with MB-side fan) 400 mm (without MB-side fan) |
| CPU Cooler Clearance | 180 mm |
| PSU Clearance | Up to 220 mm |
| Power Supply Support | Standard PS2 ATX PSU |
| Expansion Slots | 7 Standard Slots (Supports Vertical GPU Mount – 90°) |
| I/O Panel | USB 3.0 ×1 USB 2.0 ×2 HD Audio |
| Weight | 25 kg |
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