Cooler master is a global provider of Cooling, Cases, Power Supplies & Gaming Peripherals. Cooler master also owns the CM Storm, a subsidiary brand created in 2008 with products developed using research collected from partnerships with gaming organizations in e-sports including Mouse sports & Frag Dominant. Think Cooler. Were all about the things that make building a PC such a rewarding experience. The sense of achievement. The joy of making & creating something uniquely yours in form & function. The freedom that comes from complete control. & of course, the thrill of bringing your creation to life without melting your components. Master Box Lite 3 Not everyone has space for a larger PC, but going small doesnt have to be a massive trade-off. With this Micro-ATX case, weve added a few ways to give you more room to work with. FLEXIBLE DESIGN Challenge the confines of the Master Box Lite 3 by utilizing its flexibility to free up space for larger components. With an optical drive cage capable of meeting all your storage needs, the rest of this cases interior is open space for full-sized graphics cards & cooling normally reserved for larger cases. LOTS OF SPACE IN A MINI-CASE Have the freedom to create a PC that suits your needs in a size that works for any space. With an easily configurable layout you can build a system that fits anywhere with the components you want. Model Number Window panel version: MCW-L3S2-KW5N Solid panel version: MCW-L3S2-KN5N Available Color Black

Dimensions (Lx Wx H) 395 x 180 x 378mm Net Weight 3.65kg Motherboard Support Micro-ATX, Mini-ITX Drive Bays 5.25" 1 (can fit one optical drive, one HDD or 2 SSDs) 3.5" 1 (can fit one HDD or one SSD) 2.5" 1 (can fit one SSD) I/O Port USB (Universal Serial Bus) 3.0 x 2 Expansion Slots 4 Cooling Support Front 120mm fan x 2 Rear 120mm fan x 1 (pre-installed) Radiator Support Front Up to 240mm Power Supply Upper Rear Mount, ATX PS2 (maximum length: 165mm) Compatibility (Maximum) Graphics card length: 345mm CPU cooler

Height: 157mm



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Product Overview The Gateway to Stylish Gaming: Customizable Trim The Master Box Lite 5 ATX Case is your straightforward option for your PC build that doesnt ignore good looks, customization, or performance. A sleek Dark Mirror front panel & three custom trim colours (included in the box) offer a great first entry point for customization. The spacious interior features black coating & a PSU cover that allows for easy, clean configurations for your build. in addition, it comes with an edge to edge transparent acrylic side panel to show your internal components. & with support for up to 4 cooling fans & a watercooling system, we ensure your performance will not suffer. 3D Printing: Freely Express Yourself We know the community also has some awesome ideas, & the ability to express them in everything you make or do. So with that in mind, were set to release the 3D printing schematics of the top & bottom trim. Expanding the Possibilities: For All Your Components The spacious interior fits all standard motherboards for your gaming needs. Black coating & an included PSU cover that allows for easy, simple configurations for your gaming build. Let your configuration stand out with an all-black background. Dark Mirror Front Panel: Because Your Case Doesn’t Have To Be Boring A sleek, tinted side window panel & Dark Mirror removable front panel allows for easy access to your components. & with support for up to four cooling fans & a watercooling system, we ensure that your performance doesnt suffer. Features • Dark Mirror Front Panel: Stand out & be unique. Your case doesnt have to look boring. • Customizable Trim Colours: Choose from three distinct colours to suit your style, all included in the box. • Edge to Edge Transparent Acrylic Side Panel: Show off your first build in style, & have easy access to your components in case things go haywire. • Full Black Coating & PSU Cover: Let your system stand out with an all-black background. • Support for 4 Fans & Watercooling: Four 120mm fans & front & rear watercooling support ensure that you dont have to compromise on performance. • Graphics Card Support up to 400mm: You wont ever have to worry about the fit of your graphics card, with support for even the largest, widest cards. Product Name Master Box Lite 5 Model Number MCW-L5S3-KANN-01 Available Color Black Materials Steel, Plastic

Dimensions (Lx Wx H) 468.8 x 200 x 454.5mm Motherboard Support ATX, Micro-ATX, Mini-ITX Expansion Slots 7 Drive Bays 5.25" No Combo 3.5" / 2.5" 2 SSD 1 I/O Panel USB (Universal Serial Bus) 3.0 x 2 Audio in / out Pre-installed Fan (s) Rear 120mm x 1 black fan Fan Support Front 120mm x 3 / 140mm x 2 Rear 120mm x 1 Liquid Cooling Support Front 240mm / 280mm / 360mm radiator (limited) up to 50mm thickness without fan Rear 120mm x 1 Clearance CPU Cooler 160mm / 6.3" PSU 180mm / 7.1" Graphics Card 400mm / 16.14" 400mm / 16.14" (w/o 3.5" HDD Cage) Cable Routing Behind Motherboard Tray 25mm
- 35mm / 0.98"
- 1.38" Dust Filters Front, bottom Power Supply Support Bottom mount, ATX EAN Code 4719512059685 UPC Code 884102032073



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MAKE A LIGHTSHOW IN THE DARK The Master Box MB320L delivers sleek, stylish case design in a Micro-ATX size. It uses honeycomb mesh ventilation on both sides of the Dark Mirror front panel to give you incredible airflow. The Dark Mirror front panel uses smoked glass for a darker feel, but still provides a perfect view of the lighting behind it. The Master Box MB320L offers great potential when it comes to both air-cooled & liquid-cooled builds, with the ability to mount coolers or fans on the top, front, & rear of the chassis. This impressive case upholds the award-winning principles of the MB Series, pairing versatility with presentation to ensure that any gaming system built inside looks just as good as it performs. DARKMIRROR FRONT PANEL The Dark Mirror front panel allows the ARGB lighting to shine through the tinted panel for a sharper contrast & finer viewing of the ARGB fans. BUILT-IN MESH INTAKES The large mesh intakes on each side of the front panel provide excellent airflow to your system so it can stay cool even through the most demanding gaming marathons. TEMPERED GLASS SIDE PANEL Gaming hardware, cooling components & the incredible aesthetics of your build can be viewed through the edge-to-edge tempered glass side panel. ADAPTABLE DRIVE CAGE The drive cage means that you can either move it or remove it completely. You can shift it towards the front to accommodate for PSU space, or a backwards to provide additional radiator space. FLEXIBLE UPGRADE SPACE Utilise support for up to a 344mm graphics card, a 166mm CPU cooler, & up to a 325mm PSU in length so you can enjoy room for upgrades & stay ahead of the game. IMPRESSIVE COOLING OPTIONS Stay cool with complete ease with support for up to six fans & front, top, & rear radiator support that ensures your cooling & performance is never compromised. ...

A semi-meshed front panel & ventilation holes on top will allow more airflow from the two pre-installed 120mm RGB fans in the front & one 120mm RGB fan in the rear. The excellent thermal performance & aggressive outlook of the Master Box MB500 make it a perfect choice for Gamers & PC enthusiasts. The spacious interior & two chamber design means that you can assemble the case faster & cleaner. It can support up to a 360mm radiator, 400mm in length for graphic card, 160mm in height for CPU cooler & 180mm in length for PSU. Show off your unique build through the 4mm thick edge-to-edge tempered glass side panel. Features Excellent Thermal Performance: Optimized airflow due to the semi-meshed front panel & ventilation holes on top of the case. RGB LED fans: Two 120mm RGB LED fans behind the front panel & one 120mm RGB LED fan in the rear are pre-installed to create an amazing lighting effect. RGB Lighting Control: One RGB controller is included in the accessory pack. If your MB does not support the RGB control function, you can connect the RESET button cable & control the RGB lighting directly from the I/O panel. 1 to 3 Splitter Cable for RGB LED Fans: The RGB Connector Splitter & 4 pin male to male adapters are included. Certified compatible with: ASUS, Gigabyte, MSI & ASRock motherboards. 4mm Thick Edge to Edge Tempered Glass Side Panel: Show off your build in style through the 4mm thick edge to edge tempered glass side panel. Full Black Coating & PSU Cover: Let your system stand out with an all-black background. Cooling Support: Up to six 120mm fans or up to 360mm radiator support in the front & 120mm in the rear, ensure you don’t have to compromise on performance. Compatibility Support: Support up to 400mm Graphics card, 160mm Tower CPU Cooler & 180 PSU in length Specifications Available Color Black Materials Steel, Plastic, Tempered Glass

Dimensions (Lx Wx H) 494 x 211 x 475mm Motherboard Support ATX, Micro-ATX, Mini-ITX Expansion Slots 7 Drive Bays 5.25" N/A 3.5" HDD 2 (Max. 2) 2.5" SSD 2 (Max. 4) I/O Port USB (Universal Serial Bus) 3.0 x 2, Audio In / Out Pre-installed Fan (s) Front 120mm x 2 RGB LED fan Rear 120mm x 1 RGB LED fan Fan Support Front 120mm x 3 / 140mm x 2 Top 120mm x 2 Rear 120mm x 1 Radiator Support Front 120 / 140 / 240 / 280 / 360mm radiator (limited) up to 50mm thickness without fan Rear 120mm x 1 Clearances CPU Cooler 160mm PSU 180mm GPU 400mm Cable Routing Behind MB Tray 15
- 23mm / 0.59"
- 0.90" Dust Filters Front, Bottom Power Supply Support Bottom mount, ATX



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A NEW LEVEL OF COLOUR CUSTOMIZATION The Master Box MB250 is an impressive mid-tower PC case with ARGB functionality that means that you can enhance your PC with ambient lighting. The Dark Mirror front panel enriches the contrast from hardware lighting & creates a picturesque display of your internal components. To keep everything cool, mesh ventilation can be found on the entire length of the front panels sides, ensuring that the three included ARGB fans are fed with enough air to effectively cool your system. The Master Boc MB250 supports up to seven fans along with front & rear liquid cooling solutions for demanding builds. Paired with a tempered glass side panel & top ventilation, your build can look & play exactly as you dreamed it would. DARKMIRROR FRONT PANEL The Dark Mirror front panel allows the ARGB lighting to shine through the tinted panel for a sharper contrast & finer viewing of the ARGB fans. BUILT-IN MESH INTAKES The large mesh intakes on each side of the front panel provide excellent airflow to your system so it can stay cool even through the most demanding gaming marathons. TEMPERED GLASS SIDE PANEL Gaming hardware, cooling components & the incredible aesthetics of your build can be viewed through the edge-to-edge tempered glass side panel. EXTENSIVE FAN SUPPORT The Master Box MB520 provides support for up to seven 120mm fans & dual 360mm radiators on the top & front panel to ensure even the most demanding systems stay cool under heavy workloads. ARGB LIGHTING SYSTEM COMPATIBLE WITH LEADING BRANDS The three pre-installed ARGB fans can be managed by your motherboards RGB software or with the included controller thats connected with the included splitter. Create a comprehensive & synchronized ARGB lighting system with complete ease. INCLUDED ARGB CONTROLLER The included ARGB controller is a mini-sized device that lets you address your RGB fans & LED strips even without an ARGB capable motherboard. The controller offers fourteen lighting presets so you can customize your lighting to suit any environment, or completely switch off the lighting by holding down the button. Its also possible to attach any external 2pin button so you can switch presets without having to open your system. The reset button can be optionally connected to the controller & used as an external ARGB preset switch button. ...

The Master Box MB520 RGB focuses on aesthetics & showmanship with a fully transparent front panel. For rigs built with lighting as a concentration, the front panel offers to view components through the panel while having the aggressive intakes to ensure airflow. The aggressive ventilation on the Dark Mirror front panel cools the system while the ventilation on the top panel offers additional thermal support. Three 120mm RGB LED fans in front are pre-installed to create an amazing lighting effect. One RGB controller is included in the accessory pack. If your MB does not support the RGB control function, you can connect the RESET button & control the RGB lighting directly from the I/O panel. Building a gaming rig is a process that evolves in components over time. To align with the pace of technology, interior clearances have ample space to support future component upgrades. The chassis & PSU shroud are powder-coated in black to help compliment your build while the tempered glass side panel shows it off. Dark Mirror Front Panel: Light up the room through the Dark Mirror front panel. Aggressive Intakes: Large intakes on each side of the front panel let the system breathe easy. RGB LED Fans: Three 120mm RGB LED fans in front are pre-installed to create an amazing lighting effect. RGB Lighting Control: One RGB controller is included in the accessory pack. Certified compatible with: ASUS, Gigabyte, MSI & ASRock motherboards. Edge to Edge Tempered glass side panel: Showcase your build through the tempered glass side panel ...

The Master Box MB520 focuses on aesthetics & showmanship with a fully transparent front panel. For rigs built with lighting as a concentration, the front panel offers a transparent view through the panel while having the aggressive intakes to ensure airflow. The aggressive ventilation on the Dark Mirror front panel cools the system while the ventilation on the top panel offers additional thermal support. Building a gaming rig is a process that evolves in components over time. To align with the pace of technology, interior clearances have ample space to support future component upgrades. The chassis & PSU shroud are powder-coated in black to help compliment your build while the edge-to-edge transparent side panel shows it off. Dark Mirror Front Panel
- Shade light through a transparent, tinted front panel. Aggressive Intakes
- Large intakes on each side of the front panel let the system breathe easy. Edge to Edge Transparent Side Panel
- Showcase your build through the transparent side panel. Support for a total of 6 fans & water cooling
- Six 120mm fans & front & rear water cooling support ensure that you dont have to compromise on performance. Graphics card support up to 410mm
- You wont ever have to worry about the fit of your graphics card, with support for even the largest, widest cards. Storage Trays & PSU Shroud
- GFX cables can be routed directly through the PSU shroud rubber grommet. The storage trays, hidden in the PSU shroud, can mount an SSD & HDD simultaneously. Top Panel Ventilation
- Filtered ventilation on the top panel has been added for thermal support.






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The Master Box MB530P utilizes the aggressive intakes seen on the MB510L, MB511, & MB520, but employs glass on both of the side panels & the front panel. The application of glass was put in place to support the display of addressable RGB fans included with the chassis. Three ARGB fans, an ARGB control button, & a system that is compatible with other popular ARGB components mean each component will be presented through the front & side panels with clarity. The choice in what to display & how clean it looks depends a lot on the covers available. For that, the PSU cover, cable covers, & clean routing space act as a system to manage which components should be displayed & which should stay hidden. There is also a honeycomb pattern on the side panel behind the motherboard; this textured pattern hides the PSU with an aesthetic accent. 3 Tempered Glass Panels
- The front & side panel offer a clear view of the front fans & system configuration, while the panel behind the motherboard is patterned tempered glass to hide the open side of the PSU. Addressable RGB Fans
- Three pre-installed 120mm addressable RGB fans behind the front panel compliments components for a comprehensive lighting system. ARGB Lighting Control
- Sync the addressable RGB lighting on the power button & fans by connecting the ARGB cable from the I/O panel to the included 2 to 3 ARGB splitter. Certified compatible with: ASUS, Gigabyte, MSI, & ASRock motherboards for a comprehensive lighting system. Support for a total of 6 fans & water cooling
- Six 120mm fans & front, top & rear water cooling support ensure that you dont have to compromise on performance. Cable Cover & Routing Space
- A PSU shroud, cable cover, & 18~25mm width of space behind the motherboard provides options to keep systems clean; GFX cables can also be routed directly through the PSU shroud rubber grommet. Graphics card support up to 410mm
- Ample graphics card clearance provides a high potential for upgradeability. Aggressive Intakes
- Large intakes on each side of the front panel feed air to cool the interior.






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Palette & Brush Each element of the Master Box MB600L was created from an elegant palette. With a brushed finish, subtle hue, & the minimalistic Cooler Master hexagon, this ATX PC case decorates the gaming setup & workspace while also being able to house the latest hardware. Brushed Front Panel A brushed finish spans the entire front panel for an elegant & minimalistic design. Hexagon Gleam The Cooler Master hexagon on the front panel relays light from optional, illuminated fans. If an optional RGB or ARGB fan is installed behind the front panel, the hexagon will capture light from the fan & emit a glow on the front panel. Mesh Intakes Large, mesh intakes span each side of the front panel to provide additional airflow to system. With/ Without ODD Support Depending on preference, an ODD version of the chassis is available. If an ODD is not preferred, a cleaner appearance & more cooling options on the top & front panels are supported. The ODD version of the MB600L is slightly deeper in comparison to its non-ODD counterpart. Versatile Cooling Options Support for up to six fans & front, top, & rear radiator support ensure that performance is not compromised. Breathable Power Supply Shroud The PSU cover is ventilated on top of the power supply location, this allows actively cooled units to be installed either with the fan facing the top or bottom, also with the possibility of installing passively cooled power supplies. Room For Upgrades Support for up to a 400mm graphics card, a 161mm CPU cooler, & multiple fan/radiator locations provide room for upgrades to stay ahead of the game. *clearances vary per model Removable HDD Cage The modular frame allows builders to remove the drive cage completely, providing a greater freedom in building & increased compatibility for long power supplies. ...