Find discounted Cooler Master fans, CPU coolers, AIO liquid coolers, and accessories here. This includes open box products, items with damaged packaging, refurbished units, and last stock clearance deals, all fully tested with warranty.
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Discover the MasterHUB Ecosystem
MasterHUB is a modular control system built for streamers, creators, gamers, and PC enthusiasts who want precision, flexibility, and seamless workflow integration. It runs on FreeForm 2.0, Cooler Master’s open design platform that supports customization through modular hardware, open-source files, and user-driven expansion. This foundation gives MasterHUB the freedom to evolve with your needs, whether you’re fine-tuning controls, adding new modules, or personalizing your setup to match your style and workflow.
Modular Ecosystem
Elevate your creative endeavors with the MasterHUB Stream Kit, the ultimate modular control system. Seamlessly integrate modules with the Base, which features versatile connectivity options. Tailor your setup to perfectly meet your needs, whether streaming, editing, or gaming. MasterHUB empowers you to command your environment with precision and ease, unlocking unprecedented levels of productivity and creativity.Join the revolution and embrace the limitless potential of MasterHUB.
Intuitive Software
A user-friendly interface seamlessly integrates apps, devices, and workflows, offering intuitive control and adaptability.
Learn More
Streamer Kit Includes the Standard MasterHub Accessories - SKU: MHSK13AA00
Creator Kit includes + Encoder Display + 3x Knob - MHSK13AA00 + MHDD01AA22 + MHKB03AA22
Downloads
MasterHUB-SW&FW upgrade steps guide(EN)Download
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Empower your control and creativity with the Encoder Dial Module. Seamlessly switch scenes, adjust volume, and monitor time with clock and timer functionalities.
Dive into a world of creative possibilities, from adjusting brush sizes to zooming, rotating, scrolling, and color control. Elevate your streaming experience and unleash your creativity with this versatile module.
Whether you're a streamer or a creator, the Encoder Dial Module offers intuitive control and endless potential, putting the power of creativity at your fingertips.
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Powering Next generation
MasterBox 600 Lite
Back-connected motherboard support
Versatile Cooling Options
FineMesh Performance Front Panel
Room For Upgrades
Removable HDD cage
Back-connected motherboard support
Improved Design
Support back-connected motherboard to frees up space in the front of the case and providing improved cable management space up to 33~35mm behind MB tray.
Fan Support
140mmSICKLEFLOW FANS
Storage
REMOVABLE HDD CAGE
Supports up to 2x3.5" HDD storage and 6× 2.5" SSD, the HDD cage is completely removable for improved access during assembly and system upgrades.
Performance
FINEMESH PERFORMANCE FRONT PANEL
Large mesh intakes offer unrestricted airflow and stellar thermals for demanding systems.
Cooling System
Versatile Cooling Options
Support for up to seven 120mm fans, with 360mm radiator support on the top and 420mm radiator support on the front, ensures that performance is not compromised.
Hardware compatibility
Customization
Hardware compatibility
Support for up to a 410mm graphics card, a 170mm CPU cooler, and multiple fans/radiators locations provides room for upgrades to stay ahead of the game.
Product Sheet: Egnyte
Manual: Manual - MasterBox 600 Lite.pdf
Specifications
Model Number
Model Number
MasterBox 600 Lite White:MB600L-WGNN-S00
Exterior Color
Black, White
Materials - Exterior
Steel, Plastic
Materials - Side Panel
Tempered Glass
Dimensions (L x W x H)
474 x 230 x 481mm (Incl. Protrusions), 465 x 230 x 465mm (Excl. Protrusions)
Volume
49.73L
Motherboard Support
ITX / Micro ATX / ATX (Supporting Back-connector Motherboard) / E-ATX (*up to 12"x10.9" / 30.5cmx27.7cm motherboards, may impact cable management)
Expansion Slots
7
3.5" Drive Bays
2
2.5" Drive Bays
2 (Max.6)
I/O Panel - USB Ports
1x USB 3.2 Gen 1 Type A, 1x USB 3.2 Gen 1 Type C
I/O Panel - Audio In / Out
1x 3.5mm Combo
Fan Support
Fan Support - Front
3x 120/140mm
Fan Support - Top
3x 120mm / 2x 140mm
Fan Support - Rear
1x 120mm
Radiator Support
Radiator Support - Front
120 / 140 / 240 / 280 / 360 / 420mm (Limit: 457*140*27mm)
Radiator Support - Top
120 / 140 / 240 / 280 / 360mm
Radiator Support - Rear
120mm
Clearance
Clearance - CPU Cooler
170mm
Clearance - PSU
170mm, 210mm (w/o HDD Cage)
Clearance - GFX
360mm, 410mm (w/o front radiator)
Cable Routing - Behind Motherboard Tray
33-35 mm
Dust Filters
Top, Bottom
Power Supply Support
ATX
Warranty
2 years
Size
Mid Tower
Series
MasterBox Series
Back Connector Motherboard Support
Yes
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Key Features
Performance Dual Chamber Pump
Superior Performance Ratio
Ultimate Heat Exchange
Slim & Sleek Radiator
PL-Flux Performance Fans
Dual Loop ARGB Pump Lighting
Cooling Uncompromised
The Cooler Master Flux Series represents the next evolution in liquid cooling performance. Every component, from the pump and radiator to the specially designed fans, has been engineered to deliver exceptional heat dissipation, increased efficiency, and reliable cooling performance for demanding systems.
Premium Dual Chamber Pump
The advanced dual chamber pump design improves cooling efficiency by optimizing coolant flow while minimizing noise. Built for long-term reliability, the Flux Series pump provides consistent thermal performance even under heavy workloads.
Fine-Tuned Performance Ratio
Precision-engineered ultra-thin fins maximize the number of microchannels, enabling highly efficient heat transfer from the CPU. Combined with an enlarged copper base and optimized thickness, the result is faster heat absorption and superior cooling performance.
Ultimate Heat Exchange
A high-speed motor paired with a ceramic bearing impeller ensures balanced coolant circulation between the pump and radiator. This optimized flow maximizes heat transfer efficiency, helping maintain lower operating temperatures.
Slim & Sleek Radiator
The low-profile aluminum radiator features a high-density fin array that increases cooling surface area while maintaining a compact design. When combined with the high-performance Flux fans, heat is rapidly dissipated for excellent thermal performance.
Redesigned Flux Series Fans
Specially developed for the Flux Series, the PL-Flux fans feature an innovative air-balance blade design with interconnected blades for improved structural rigidity and stability at high speeds.
Additional design enhancements include:
Angled inner frame rim for improved air intake
Optimized frame gap for increased static pressure
Enhanced stability during sustained high-speed operation
Superior airflow for efficient radiator cooling
Dual Loop ARGB Lighting
The pump housing features dual-loop Addressable RGB lighting with independent customization options, allowing users to create unique lighting effects while maintaining maximum cooling performance.
Addressable Gen 2 RGB
Included support for Cooler Master's Addressable Gen 2 RGB ecosystem enables advanced lighting customization through MasterPlus+ software. Personalize individual LED colors, effects, brightness levels, and synchronization through an intuitive interface.
CPU Compatibility
Intel
LGA 1851, 1700, 1200, 2066, 2011-v3, 2011, 1151, 1150, 1155, 1156
AMD
AM5, AM4, AM3+, AM3, AM2+, AM2, FM2+, FM2, FM1, TR4
Specifications
Specification
Details
Product Number
MLY-D24M-A23PZ-RW
Color
White
Cooler Type
Liquid Cooler
Series
MasterLiquid Pro
Radiator Size
240 mm
Radiator Material
Aluminum
Radiator Dimensions
277 × 119.6 × 27.2 mm
Pump Dimensions
89 × 75 × 40 mm
Pump MTTF
> 210,000 Hours
Pump Noise Level
15 dBA (Max)
Pump Connector
4-Pin
Pump Voltage
12 VDC
Pump Power Consumption
6W
Fan Dimensions
120 × 120 × 25 mm
Fan Quantity
2
Fan Lighting
Addressable Gen 2 RGB
Fan Speed
0 - 2300 RPM ±10%
Fan Airflow
72.37 CFM (Max)
Fan Noise Level
32 dBA (Max)
Fan Static Pressure
2.96 mmH₂O (Max)
Fan Bearing
Oil Reflow Bearing System
Fan MTTF
> 160,000 Hours
Fan Connector
4-Pin PWM
Fan Rated Voltage
12 VDC
Warranty
5 Years
Downloads
Product SheetDownload
ManualDownload
Cooler Master MasterPlus+Download
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MasterLiquid 360L Core ARGB White
Cooler Master has built upon the classic MasterLiquid L Series to present a redesigned and improved release of the MasterLiquid L Core ARGB. Featuring new design elements that bring a classic minimalist look to the series, the MasterLiquid L Core ARGB represents Cooler Master’s ongoing innovative spirit.
This product is covered by a 2-year warranty in accordance with EU consumer law.
CLEAN CLASSIC DESIGN
Clean minimalist design brings a refreshed modern facelift to the pump cover.
CRYOFUZE THERMAL PASTE
Includes premium CryoFuze thermal paste for exceptional heat conductivity.
Gen S Dual Chamber Pump
Redesigned copper base targets heat spots with precision along with boosted water flow and pressure for enhanced cooling performance.
Expanded Radiator Surface
120mm ARGB Fans
Upgraded 120mm ARGB fans deliver optimal radiator performance and versatile lighting options.
CPU COMPATIBILITY
Please check out our CPU compatibility page to determine if this product is right for your build.
Specifications
Product Number
MLW-D36M-A18PZ-RW
Exterior Color
White
CPU Socket
Intel® LGA 1851 / 1700 / 1200 / 1151 / 1150 / 1155 / 1156 socket
CPU Socket
AMD® AM5 / AM4 / AM3+ / AM3 / AM2+ / AM2 / FM2+ / FM2 / FM1 socket
Radiator Material
Aluminum
Radiator Dimensions
394 x 119.6 x 27.2 mm / 15.5 x 4.7 x 1.1 inch
Pump Dimensions
81 x 76 x 47 mm / 3.2 x 3 x 1.9 inch
Pump MTTF
>70,000 Hours
Pump Noise Level
12 dBA (Max)
Pump Rated Voltage
12 VDC
Pump Power Consumption
3.96W
Dimensions (L x W x H)
120 x 120 x 25 mm / 4.7 x 4.7 x 1.0 inch
Fan Quantity
3 PCS
Fan LED Type
ARGB
Fan Speed
650-1750 RPM ± 10%
Fan Airflow
71.93 CFM (Max)
Fan Noise Level
27.2 dBA (Max)
Fan Pressure
1.86 mmH₂O (Max)
Fan Bearing Type
Rifle Bearing
Fan MTTF
>160,000 Hours
Fan Power Connector
4-Pin (PWM)
Fan Rated Voltage
12 VDC
Fan Rated Current
0.26A
Fan Safety Current
0.37A
Pump Connector
3-Pin
Cooler Type
Liquid Cooler
Series
MasterLiquid Lite
Radiator Size
360
Downloads
Product Sheet: Download
Manual: Download
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Level Up With the Ultimate in Customization and Comfort
The Cooler Master MK770 Hybrid Wireless Keyboard is built for gamers who refuse to compromise. Its compact 98-key (ANSI) / 99-key (ISO) layout keeps everything you need within reach, while the updated hybrid wireless solution — featuring a new chip for faster 2.4GHz connectivity — ensures a lag-free experience whether you're deep in a raid or grinding ranked. Pair that with Kailh Box V2 mechanical switches, premium PBT double-shot keycaps, and a gasket-mounted structure, and you have a keyboard that feels as good as it performs.
Key Features
Hot-swappable Kailh Box V2 switches — factory-lubricated for a smooth, satisfying keystroke. Swap switches in seconds, no soldering required.
Gasket structure — absorbs vibration and reduces noise for a quieter, more comfortable typing experience.
Noise-absorbing design — silicone dampers and EVA foam dampen keystroke sounds further.
High-purity PBT double-shot keycaps — up to 85% PBT content for exceptional durability and legends that never fade.
16.7M RGB backlighting — per-key illumination with multiple lighting modes and effects, fully customizable via MasterPlus+ software.
3-way customizable wheel — tactile rotary control mappable to volume, media, or any macro you choose.
New CM stabilizers — factory-optimized and pre-lubricated for rattle-free, smooth keystrokes.
Hybrid wireless connectivity — Wired, 2.4GHz (1000Hz polling), and Bluetooth 5.1 (125Hz) in one keyboard. 4000mAh battery for extended sessions.
Broad OS compatibility — Windows 8+, macOS X 10.10+, Android, and iOS.
MasterPlus+ software — full control over lighting, macros, and the 3-way wheel.
Product Sheet: Product Sheet MK770.pdf
Specifications
Switch: Kailh Box V2
Keycaps: PBT Double-shot (US/TC) | ABS Paint & Laser-engraved (other layouts)
Layout: ANSI 98-key / ISO 99-key
Connectivity: Wired / 2.4GHz / Bluetooth 5.1
Polling Rate: 1000Hz (Wired/2.4G) | 125Hz (Bluetooth)
Battery: 4000mAh, USB Type-C wired charging
Onboard Memory: 128KB
Dimensions: 380.89 × 140.42 × 38.74mm (standard)
Weight: 1052g (without cable)
Cable: 1.8m detachable coiled USB Type-C braided cable
Colors: Macaron | Space Gray
Warranty: 2 years
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PCIE 4.0 COMPATIBLE
While providing twice the bandwidth of PCIe 3.0, the Gen 4.0 riser cable remains backwards compatible with a maximum transfer rate of over 64Gb/s (bi-directional) and fully supports the 16GT/s bit rate of PCIe 4.0 devices.
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Essential Audio, Always On
CH331 USB Gaming Headset
The CH331 USB Gaming Headset enhances the essential audio experience for all gamers, offering balanced mid-tones and bass ideal for FPS shooting games, as well as daily activities like listening to music and watching movies. Its leatherette headband and ear cushions with high-density foam ensure ultimate comfort during extended use. The headset is also compatible with MasterPlus+ software, allowing you to create a custom soundscape tailored to your precise audio preferences
Essential Audio, Unforgettable Gaming
The CH331 USB Gaming Headset takes the essential audio experience and refines it for all gamers. A sturdy aluminum frame for durability and understated style is attached to ergonomic earcups for all-day comfort. Powerful 50mm speakers precision-tuned for virtual 7.1 surround sound deliver immersive audio -- while an omnidirectional detachable boom mic offers convenient comms with reduced noise and improved clarity. Inline controls let you adjust settings right from the anti-snag, anti-tangle cable. And if that weren't enough, it's plug-and-play for instant compatibility. Durable, comfortable, and immersive, the CH331 gives you everything you need, and nothing you don't.
7.1 Virtual Surround Sound
The Sound Quality You Want and Need
We’ve put just as much thought into the internals as the design. The CH331 is equipped with custom-tuned 50mm drivers in each earcup, delivering a crisp, detailed soundstage. And for those looking to take it to the next level, virtual 7.1 surround sound provides true, immersive audio experience.
Immediate audio control
Keep it Inline for Convenience
No more wasting hotkeys on sound controls, or getting out of your groove to hit up the settings menu. Convenient controls right on the cable allow you to adjust volume, mic, and other settings without pausing the action.
ALL-AROUND CLARITY
The CH331 features an omnidirectional boom mic, delivering a highly sensitive microphone that captures your voice with clarity, ensuring your teammates hear you loud and clear during intense combat moments. Plus, it's easily removable for on-the-go convenience
LIGHT IT UP
The illuminated, minimalistic logo adds an ambient glow to your gaming experience, enhancing the signature Cooler Master aesthetic profile.
INSTANT PLUG-AND-PLAY
Get in the game faster with no need to fiddle with any settings. The CH331 ensures you spend less time configuring and more time enjoying the action-packed gameplay right out of the box.
The Perfect Handshake for Your Face
Plush oval earcups made of PU and ergonomically aligned means you have a supremely comfy headset that helps eliminate sound leakage for better performance. The earcups cradle your head in a firm yet soft fit, like the perfect handshake for your face.
Specifications
Product NumberCH-331
Headphone Driver Diameter50mm
Headphone Frequency Response20-20,000Hz
Headphone Impedance16Ω
Headphone Sensitivity (@1kHz)103 dB ± 3 dB
Headphone InputMaximum 30mW
Headphone Cable LengthApprox. 2.2m
Headphone ConnectorUSB Type A
Headphone Headband MaterialSteel and plastic headband, PU leather and foam cushion
Headphone Ear Cushion MaterialPU Leather
Headphone Supply VoltageUSB 5V ± 0.25V
Microphone Pick-up PatternOmni-Directional
Microphone Frequency Response100 - 8,000 Hz
Microphone Sensitivity (@1kHz)-40 dB ± 3 dB
Microphone Signal to Noise Ratio58 dB
Microphone TypeDetachable Flexible Microphone
Physical Dimensions (L x W x H)179.4 * 96.3 * 210.1 mm / 7.06 * 3.70 * 8.27 inches
Physical Weight371.2g / 0.82 lbs (Including Cable)
Physical Weight294g / 0.65 lbs (without Cable)
Warranty2 years
ProductAudio
Downloads
Product SheetDownload
ManualDownload
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Open Box - Like New German LayoutCK720 65% Gaming Keyboard
The CK720 mechanical keyboard is our first foray into enthusiast keyboards, approachable for everyone without making compromises on quality.
Product NumberCK-720-GKKR1-DE
Keyboard Switch TypeKailh Box V2 Mechanical Switch
Keyboard KeycapsDE: PBT double-shot Keycaps, OEM Profile Other layouts: ABS Painting & Laser-engraved, OEM Profile
Keyboard MaterialAluminum, Plastic
Keyboard ColorSpace Gray, Silver White
Keyboard LED ColorRGB, 16.7 million colors
Keyboard Polling Rate1000Hz
Keyboard Response Time1ms
On-the-fly SystemYes
Keyboard Multimedia KeyThrough Function Key (FN)
ConnectivityWired with detachable cable
Compatible OSWindows 8+ / Mac OS X 10.10+
Software SupportCooler Master MasterPlus+
Keyboard Cable1.8m, USB Type-C to Type-A, Detachable & PVC
Keyboard Dimensions (L x W x H)Standard: 334 x 118 x 37 mm / 13.15 x 4.65 x 1.46 inches
Keyboard Dimensions (L x W x H)With 1st stage feet open: 334 x 118 x 43 mm / 13.15 x 4.65 x 1.69 inches
Keyboard Dimensions (L x W x H)With 2nd stage feet open: 334 x 118 x 46 mm / 13.15 x 4.65 x 1.81 inches
Keyboard Weight950g / 2.094 lbs (without Cable)
Warranty 1 year
ProductKeyboard
Keyboard TypeMechanical
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This controller allows you to cycle through lighting effects and colors with a button or using the reset button on your case. It's an economic way to add ARGB possibilities to your setup.
It can also be used in any system by connecting it via SATA power, making it a suitable solution for motherboards without ARGB support or for adding additional ARGB control.
This ARGB controller was originally included some Cooler Master cases. But it can be used in other systems.
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Cooler Master MegaFlow 200 Red LED Silent Fan is a 200mm case fan designed to deliver high airflow with minimal noise, making it a practical and versatile upgrade for any system with a 200mm fan mount. Originally featured in flagship Cooler Master cases such as the Cosmos II, Stryker and Trooper, this fan is compatible with any chassis that supports a 200mm opening, regardless of brand.
Running at 700 RPM with an airflow output of 110 CFM and a noise level of 19 dBA, it moves significantly more air than smaller fans while staying virtually silent during operation. The red LED adds a subtle accent lighting effect to complement any build aesthetic. The fan connects via a standard 3-pin connector and includes a 3-to-4-pin adapter for broader motherboard compatibility.
Model: R4-LUS-07AR-GP Fan Size: 200 x 200 x 30 mm Fan Speed: 700 RPM Airflow: 110 CFM Air Pressure: 0.595 mmH2O Noise Level: 19 dBA Power Consumption: 3.36W (0.16A at 12V) Connector: 3-pin (3-to-4-pin adapter included) LED Color: Red Bearing Type: Long Life Sleeve Bearing Life Expectancy: 30,000 hours Weight: 266g Warranty: 2 years
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Perfecting engineering
Cooler Master’s Mobius140P ARGB is our new series of performance fans. With our enhanced Ring Blade Design, the Mobius Series optimizes both performance and acoustics, catering to a dynamic range of applications from case, liquid or air, to overclocking and intense gaming.
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PERFECTING THE ENGINEERING
Cooler Master’s is Introducing the latest innovation in Cooler Master’s critically-acclaimed Mobius case fan series: the Mobius 120 Slim. This updated model has been redesigned with a thinner frame, perfect for small form factor builds that have limited space but need more airflow. Features such as an interconnecting ring blade design accelerated pressure air vents, and an upgraded three-phase motor ensure exceptional stability and silent performance. Want to really stack your build with multiple GPUs, or maybe customize your case with figures? Then you’ll need to free up space while still keeping things cool. Trim down your build with the Mobius 120 Slim.
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MLX-D36M-A25PZ-R1MasterLiquid 360 Atmos – Refurbished Experience the pinnacle of liquid cooling without the flagship price tag. This refurbished MasterLiquid 360 Atmos has been meticulously inspected and tested to ensure it delivers the same exceptionally silent performance and thermal efficiency as a brand-new unit.
Refined Cooling: Features our signature dual-chamber pump, professionally serviced for optimal flow.
Silent Edge: Includes the original SickleFlow Edge fans, tested for bearing stability and peak RPM.
Eco-Conscious Value: By choosing refurbished, you’re doubling down on the Atmos’s eco-friendly mission by extending the life of world-class hardware.
Fully Customizable: The transparent pump top remains ready for your custom 3D-printed designs.
CPU Socket Compatibility:Intel® LGA 1700 / 1200 / 1151 / 1150 / 1155 / 1156 socketAMD® AM5 / AM4 Socket
Condition Note: Unit may show minor signs of previous installation (such as light markings on mounting brackets), but has been fully sanitized and thermal-tested.
1 Year Warranty.
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Gain superior control for MM720 mice with the anti-slip tape, regardless of how hard you grip it. Pre-cut design for easy installation and only 0.75mm thick. NOTE: Mouse not included