Cooler Master K550 ATX Mid Tower Casing
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K550 is a mid-tower for general users in emerging markets. One pre-installed, 120mm, red LED fan is included behind the armor-inspired front panel.
- Armor-inspired front mesh panel
- Large windowed side panel with fan mounting allows users to install two optional 120mm fans
- Ultra-strong top carrying handle with rubber coating
- One USB 3.0 super speed port for 10x faster file transfer and smart phone / tablet charging (~1A)
- Supports up to 7 fans, including one pre-installed 120mm red LED fan in the front
- Removable HDD cage allows easy cable management
- Supports high-end graphics cards up to 363mm/14.3” in length, including NVIDIA GTX 690 and AMD HD 7990 after removing the 1st HDD cage


| Model | RC-K550-KWN1 |
| Available Color | Full Midnight Black |
| Materials | SGCC, Polymer, Mesh |
| Dimension (W x H x D) | 211.8 x 549.6 x 503.6 mm / 8.3 x 21.6 x 19.8 inch |
| Net Weight | 8.3 kg / 18.3 lbs |
| M/B Type | Micro-ATX, ATX |
| 5.25" Drive Bays | 3 (exposed) |
| 3.5" Drive Bays | 7 (hidden) |
| 2.5" Drive Bays | 2 (hidden, converted from one 3.5” bay) |
| I/O Panel | USB 3.0 x 1 (internal), USB 2.0 x 2, Mic x1, Audio x 1 (supports AC97 / HD audio) |
| Expansion Slots | 7 |
| Cooling System | Front: 120mm red LED fan x 1 (can install 120mm fan x 2) Rear: 120mm black fan x 1 Top: 120mm fan x 1 (optional) Bottom:120mm fan x 1 (optional) Side: 120mm fan x 2 (optional) |
| Power Supply Type | PS2 |
| Maximum Compatibility | VGA card length: 281mm / 11.06" (with HDD cage) 400mm / 15.7" (without HDD cage) CPU cooler height: 157mm / 6.2 inch |
| Product Name | Cooler Master K550 ATX Mid Tower Casing |
|---|---|
| Case Type | ATX |
| Material | SGCC, Polymer, Mesh |
| Motherboards | ATX, Micro ATX |
| Cooling System | Front: 120mm red LED fan x 1 (can install 120mm fan x 2) Rear: 120mm black fan x 1 Top: 120mm fan x 1 (optional) Bottom:120mm fan x 1 (optional) Side: 120mm fan x 2 (optional) |
| Drive Bays | 5.25" Drive Bays x3 (exposed). 3.5" Drive Bays x7 (hidden). 2.5" Drive Bays x2 (hidden, converted from one 3.5” bay) |
| Expansion Slots | 7 |
| I/O Ports | USB 3.0 x 1 (internal), USB 2.0 x 2, Mic x1, Audio x 1 (supports AC97 / HD audio) |
| Dimensions | 211.8 x 549.6 x 503.6 mm |
| Weight | 3.764817 |
| Manufacturer | Cooler Master |
| Color | Black |
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