The MCRx20-XP (eXtreme Performance) series radiators are high-performance liquid-to-air heat exchangers optimized for use with medium speed 120mm fans and specifically engineered in a slim for factor for high-end liquid cooled Personal Computers.
The XP series derive from the Quiet Power technology (QP series) first introduced in 2005 and both series share the exact same dimensions. They differentiate themselves by a higher fin-per-inch (FPI) count where the QP series feature a 12 FPI specification versus 20 FPI for the new XP series. A higher FPI count means that the XP series are more efficient at dissipating heat in the higher RPM fan ranges. When large heat loads are involved for example a CPU and GPU(s) in the loop, this may translate into improved coolant temperature.
In general, we recommend selecting a radiator in the XP series for applications where fans will run from 1200 RPM and above, and selecting among the QP series where fans will run from 1200 RPM and below. A more refined analysis including various coolant flow rate scenarios is reported in the performance section.
- by Shu_M @Aug 28, 2013
Optimized fin-density for maximum heat
dissipation with medium speed fans (20 fpi)
2-pass, single row
Brass body and brass
Louvered copper fins
Self-purging brass plenum chambers
Slim form factor
acrylic paint: Satin black finish
M3.5 threaded fan and
Hub specifications &
G1/4" flat face
threaded hubs, compatible with industry standard
captive o-ring type fittings (such as Swiftech "Eurostyle"
series of barb fittings)
MCR220-XP 1lb 8oz
MCR420-XP 2lb 6oz
radiators are ultrasonically cleaned to remove solder
flux as well as pressure-tested for leaks.
Included with each radiator:
M3,5 x 6mm screws
(4 each per 120mm fan) - Alternatively you may
use 6-32 x 1/4" (not included)
M3,5 x 30mm
screws (4 each per 120mm fan) - Alternatively
you may use 6-32 x 1 1/8" (not included)
MCRx20-XP SERIES DIMENSIONAL DRAWINGS (SAME AS QP)
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using this and a MCR320-XP to cool a 3770Kx4.8GHz, and 2 GTX780 Hydrocopper cards with no problems at all. 3770K max 48C, and 780s max 53C stress testing. Very long but fits in the bottom of my Corsair 900D, using only pull configuration of fans.
This radiator is a beast! I have it cooling my system with 8 120mm fans in 4x push/pull configuration and temperatures have never been lower! If you don't mind having an external radiator (or a completely monstrous case) than this rad is the way to go. The only problem is that the black paint can scrape away very easily if your not careful but that didn't matter for me as I made an external housing for this rad. Will definately buy another one in future for even better cooling because ivy bridge cpus need all the cooling they can get!
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