Only few companies can look
back to such a long history of experience and tradition in CPU water block
development and manufacturing as Alphacool. In the young water cooling sector,
from 2004 to 2007, Alphacool aced many tests with the NexXxos HP and NexXxos XP
CPU water block series. A multitude of awards and 1st places were the reward for
offering the best water block on the market. With the "Alphacool HF 14
Yellowstone", Alphacool continued water block development. The result: Alphacool
was voted "CPU water block manufacturer of the year 2011" by the PCGH user
Since the beginning of 2010, Alphacool has been developing and testing the
successor for over 14 months. Never in company history had such an effort been
made towards improvement of a product, but the goal was clear: The new Alphacool
NexXxoS XP? was not only being developed to better its predecessors, but also
exceed the cooling performance of all other products on the market.
Different tests have already proven that the goal has been achieved and that
Alphacool has created a true flagship water block.
In the first review, great flow rates and exceptional cooling performance
ensured a solid win for the NexXxos XP? [18.6.2012, Source:
Cross-slotted structure: Having been patented for the NexXxoS XP in 2004,
the cross-slot technology in the cooling plate was developed even further. An
even finer structure of fins and channels now ensures stunning performance. The
remaining pins are 0.5x0.5mm wide and have a height of 2.5mm. With this
technology, it is possible to transfer great amounts of thermal energy very
quickly from cooling plate to coolant..
Backflow channels: The patented backflow channels were also improved and
optimized for maximum flow rates. Coolant can now be drained very efficiently
above the pin structure, reducing flow resistance and improving cooling
Injection: A multitude of approaches for ideal
coolant injection into the cooling structure exist, and many of them show great
potential in computer simulation.
Alphacool went one step further, and has actually realized many different
technologies and tested them under real-life conditions. These prototypes were
combined with different backflow possibilities, until an ideal solution was
found: Slotted acentric injection in combination with backflow channels in
opposite directions allowed a performance improvement which also worked on
larger chips and Multi-core processors.
Coolant recirculation: Unlike many current water
blocks, where the recirculation of the coolant was only seen as a secondary
issue, the NexXxoS XP? was also optimized in this point. Hence it features an
unusually large collection reservoir all along the pin structure of the water
block. This allows coolant flow from all directions, removing it from the pin
structure in a highly effective manner.
Size: Both in regard to cooling plate dimensions
(56x56mm) as well as top plate dimensions (57x67mm, plus mount), the XP? has
grown to be a full-size water block. Main advantage of the larger dimensions is
optimal cooling of multi-core processors.
Mount: The XP? features a circumferential elevated
strip, offering a secure hold for the mounting plate. This new feature allows
switching of the cooling plate without having to disassemble and open the water
With water blocks from the competition, installation of a different mounting
plate is often a hassle without the necessary technical know-how, and not many
users have the experience to be able to disassemble a complicated water block
and reassemble it correctly without damaging it.
Such worries are now thing of the past! Included with the water block come two
mounting plates, one for installation Intel sockets, the other for use with AMD
Versions: Two versions will be available upon
release: For budget-oriented users, the affordable entry-level version with
Acetal is the right choice. For those looking for something a bit more advances,
a version with brass top and elegant black nickel plating is available.
Cooling performance of the Acetal version is only approximately 2?C behind the
performance of the brass version, meaning that the Acetal version delivers
top-notch performance at an affordable price.
Extent of delivery:
1x Assembled CPU water block
1x Mount for Intel Mainboards sockets 775,1150,1155,1156,2011
1x Mount for AMD Mainboards AM2 and AM3
1x Thermal compound and mounting material
Weight: 0,279 kg
Dimensions CPU water block: 57x67x14mm respectively. 63x73x14mm at the mounting
Compatible with: Intel sockets 775,1155,1156,2011 and AMD AM2 and AM3
Connection threads: 2x G1/4ö
The mounting manual for this water block is available for download