Cooler Master has had a busy year, releasing many products, including the innovative HAF Stacker. Now they’ve got something new to show off that fits more closely to their roots which is cooling. Their new All-in-One liquid coolers promise both high performance and versatility. The new Neptune…..I mean Nepton series messes with our spell check and comes in two models: the 140 XL and 280L.

The Cooler Master Nepton starts the approach with the big guns at the ready featuring extra-large single micro-channel blocks, 140 mm JetFlo series fans, high pressure pump, and extra large radiators for both coolers. If you don’t think this will be enough for your overclocking needs the 280L doubles the size of the radiator and adds a second 140 mm JetFlo fan for increased airflow. This new design also will be maintenance free for years as the loop comes self-contained and pre-filled.

The Cooler Master Nepton Series is currently scheduled to be release during the latter part of November 2013 which is right about now. Expect to find competitive pricing from the usual suspects in the coming weeks. But if you’re looking for these online, be aware that every search engine I used wanted to auto correct the name to “Neptune”.

More details below in the full press release.

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Nepton Series

November 19th, 2013 – Cooler Master, an industry leader in the design and manufacturing of premium PC components and cooling, today introduced yet another unique All-in-One (AIO) watercooler series, Nepton 140XL / 280L. Each features a pump with an exclusive Cooler Master design that maximizes performance and flow.

Versatile & Powerful All-In-One CPU Watercooler

Nepton 140XL and 280L both are factory filled and sealed for immediate installation and maintenance-free operation for years. Affixed to Nepton 140XL and 280L are premium JetFlo 140 Series fans that are built specially for the high air pressure and heat dissipation required for high performance watercooling. For greater cooling compatibility, JetFlo 120 Series fans and other 120 mm fans are supported via compatible mounting holes on the radiator.

Nepton 280L comes equipped with dual JetFlo 140 fans and an extra-large 280 mm radiator that, together, generate substantial cooling power that can dissipate up to 300W of heat. This, coupled with a pure copper base, means Nepton can handle high CPU overclocking. Longer and thicker FEP tubing assists in maintaining exceptional performance through less restrictive water flow and superb evaporation resistance.

Express Tool-free Installation

The struggle is over; Nepton 140XL and 280L include specially designed thumb screw based mounting kits for the fans and pump. No longer will your installation be bogged down by unnecessary mounting steps and tool requirements. All that you need to install the Nepton 140XL or 280L are your fingers.

Step into a new world of watercooling with user-friendly installation and usage and high performance cooling.


The Nepton 140XL & 280L will be available in November. Price and availability may vary based on region. This release is meant for the U.S. and Canada only. Please consult your local Cooler Master Representative for more information.

Click here for more details on the Nepton series.


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