Alphacool NexXxoS HPE-45 Full Copper 280mm Radiator, 140mm, G1/4, 45mm, Black (14441)

The Alphacool NexXxoS HPE-45 Full Copper 280mm Radiator is a 280 mm radiator for two 140 mm fans on one side, or four with fans on both sides, and it is 45 mm thick. The next thickness down in the same size is the HPE-30 Full Copper 280mm radiator.

Properties

• Fans: 2x 140 mm one-sided / 4x both-sided
• Size (L x W x H): 314.5 x 144 x 45 mm (+/- 3%)
• Thickness: 45 mm
• Ports: 4x G1/4 IN/OUT, 1x fill and drain port G1/4
• Material: copper fins, pre-chambers and channels, brass threads, stainless steel outer housing
• Fin density: 16 FPI

NexXxoS Full Copper

Alphacool says it has dominated the market with the NexXxoS Full Copper radiator series for more than a decade, and calls "our extensive portfolio of radiator variants" unique in the world. It says the same of its manufacturing process, which in its words "allows us to produce all water-carrying parts and the cooling fins out of pure copper". Just like the rest of the series, this radiator is built that way. As a result, Alphacool says, the NexXxoS series offers the highest thermal conductivity of any radiator on the market. Thanks to what it calls their exceptional performance, the radiators can easily dissipate even extremely high waste heat. By its account they have become essential in many areas of the cooling industry.

What the loop needs

Under "Connection options & mounting" Alphacool describes two IN or OUT connections with G1/4 threads in the pre-chamber area, while its table lists 4x G1/4 IN/OUT. A loop uses two of them, so the radiator takes two fittings. On the opposite side is a fill or drain port, which can be used for filling and draining the water circuit. Thread length in every port is 5 mm at most.

The radiator takes 140 mm fans on M3 threads, two on one side or four on both. All screws for mounting in the case and for mounting the fans are included with the radiator: eight M3x5 case mounting screws and eight M3x30 fan screws. Alphacool says additional screws are not usually required.

Technical data radiator

• L x W x H: 314.5 x 144 x 45 mm (+/- 3%)
• Quantity of cooling channels: 32
• Material cooling fins, pre-chambers & channels: copper
• Material threads: brass
• Material outer housing: stainless steel
• Threads: 4x G1/4 IN/OUT & 1x Fill-/Drainport G1/4 (max. 5 mm thread length)
• Possible fan size: 140 mm
• Possible fan assembly: 2x one-sided / 4x both-sided
• Thread size fan mounting: M3
• Pressure tested: 0.8 Bar
• Maximum working temperature: 60 °C
• Fin density: 16 FPI
• Weight: 1131 g
• Color: black

Notes

• Use only clear, transparent water cooling fluids. Alphacool warns that the particles and additives in pastel liquids can clog and permanently damage radiators, pumps, coolers and hoses, which can void the manufacturer's warranty.

In the box

• 1x NexXxoS HPE-45 Full Copper 280mm Radiator, black
• 8x M3x5 case mounting screws
• 8x M3x30 fan screws
• 1x Allen key
• 1x plug tool