Product Image Description
A high-resolution image shows the Alphacool NexXxoS ST20 HPE Full Copper 280mm Radiator. It is a flat, rectangular component with a black finish. The top surface features a dense grid of copper fins. Two G1/4" ports are visible on one side, integrated into pre-chamber structures. The overall design is sleek and robust, typical of high-performance PC water cooling components.
Quick Info
For over a decade, Alphacool has led the market with its NexXxoS Full Copper radiator series, offering a unique portfolio of radiator variants. Utilizing a manufacturing process that produces all water-carrying parts and cooling fins from pure copper, the NexXxoS series achieves the highest thermal conductivity. This exceptional performance allows radiators to efficiently dissipate extreme waste heat, making them essential in various cooling industry applications.
- 1.2x increased water throughput compared to NexXxos standard
- 20% more efficient heat transfer compared to NexXxos standard
- 100% of the internal structure is made of copper
Scope of Delivery
- 1x Alphacool NexXxoS ST20 HPE Full Copper 280mm Radiator, black
- 8x M3x5 case mounting screws
- 8x M3x30 fan screws
- 1x Allen key
- 1x plug tool
Technical Data Radiator
| L x W x H |
311 x 140 x 20mm |
| Material cooling fins, pre-chambers & channels |
copper |
| Material threads |
brass |
| Material outer housing |
stainless steel |
| Threads |
2x G1/4" IN/OUT (max. 5mm thread length) |
| Possible fan size |
140mm |
| 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 |
19 FPI |
| Weight |
569g |
| Color |
black |
Packaging Dimensions per Unit
| L x W x H |
385 x 160 x 40 mm |
| Weight |
746 g |
Other Data
| Certificates |
CE, FC, ROHS |
| EAN |
4250197144445 |
| Customs code |
84195080900 |
Article Text
For more than a decade, Alphacool has dominated the market with the NexXxoS Full Copper radiator series. Our extensive portfolio of radiator variants is unique in the world. Just like our manufacturing process, which allows us to produce all water-carrying parts and the cooling fins out of pure copper. As a result, the NexXxoS series offers the highest thermal conductivity of any radiator on the market. Thanks to their exceptional performance, the radiators can easily dissipate even extremely high waste heat and have become essential in many areas of the cooling industry.
The next step in evolution: NexXxoS HPE Full Copper Radiator!
The NexXxos Full Copper HPE Radiator uses the same materials as previous NexXxos models, but takes it a step further technically. Due to the condensed internal structure, the number of water channels and copper fins could be increased. Thus, a larger volume of water is in direct contact with the cooling fins and the heat transfer is enormously improved. The higher number of fin rows and their shortening also makes much more efficient use of the cooling surface. Comparison tests with the conventional NexXxos radiator have shown that a performance increase of 4.5K is possible when using the HPE radiator. At higher ambient temperatures and higher fan speeds, the performance gap with the normal NexXxoS radiators even increases progressively, reaching a possible performance increase of up to 6K.
Space-saving & flexible to use
The compact slim radiators can be mounted very flexibly in even the tightest cases thanks to their low overall height of only 20mm.
Connection options & mounting
The NexXxoS HPE radiator has one IN and OUT connection with G1/4" threads in the pre-chamber area. All screws for mounting in the case and for mounting the fans are included with the radiator. Additional screws are not usually required.
Safety first
The NexXxoS HPE radiator has special protective plates placed under all mounting holes to prevent the screws from being screwed in too deeply. This protects the cooling fins and water channels underneath from damage.
Drawing
A technical drawing illustrates the radiator's dimensions and port placement. The overall length is 280mm, width is 140mm, and thickness is 20mm. It features two G1/4" IN/OUT ports with a maximum thread length of 5mm. Fan mounting uses M3 threads, supporting 2x one-sided or 4x both-sided configurations. The fan mounting hole spacing is 125mm and 266mm along the length, and 140mm across the width. Pre-chamber dimensions are approximately 69mm and 31mm. The drawing also indicates the material is copper for fins and channels, and brass for threads.
