Love it or hate it, the fact is that Asus motherboards get the most love from waterblock manufacturers. For this particular board (Asus x99 RVE), there are full board (VRM + chipset) blocks from EK, Bitspower and Watercool to go with a full cover kit from Bitspower (motherboard + CPU) and then there are the monoblocks from EK. These were something I was always fascinated by when I first saw them launched for the Asus z87 Maximus VI Impact. Being able to cool the entire motherboard with a single block, and possibly have better CPU cooling performance than dedicated CPU blocks sounded great. By the time the monoblock for the x99 RVE had launched, some very good CPU blocks had also come out. So how does this fare then compared to these? Does it make sense to go with something that is motherboard specific at all? Thanks to Derick and Niko from EK, we now have the opportunity to find out for ourselves.

Let’s begin by taking a look at the specs courtesy the product page:

EK-FB ASUS R5E Monoblock water block is a complete all-in-one (CPU and motherboard) liquid cooling solution for Intel LGA-2011-V3 socket Haswell-E CPU and ASUS Rampage V Extreme motherboard.

This water block uses award winning EK-Supremacy cooling engine to ensure best possible CPU cooling. The water blocks directly cools Intel LGA-2011-V3 socket type CPU, Intel X99 Express southbridge (PCH) and power regulation (VRM / MOSFETs) module as water flows directly over all critical areas. It is a very high flow water block that can be easily used with systems using weaker water pumps.

Base of the waterblock is made of nickel plated electrolytic copper while the top is made of quality acrylic glass material. The sealing is performed by quality rubber gaskets.

Water block is mounted with enclosed M3x5 DIN7985, M3x8 DIN7991 and M4x8 DIN7984 screws and PVC washers and utilizes the factory provided MOSFET backplate. The nickel plated brass screw-in standoffs are pre-installed and allow for easy installation.

Enclosed thermal pad is used on voltage regulator modules to improve cooling performance of the waterblock. On the CPU and southbridge (PCH) chip please use the enclosed electrically non-conductive thermal grease EK-TIM Ectotherm.

– water block
– mounting mechanism
– thermal grease Gelid GC-Extreme (1.5g)
– thermal pads

Fittings are not enclosed! Two fittings are needed for proper operation.

Made in Slovenia – Europe!

– Fittings are not included! Due to immense variety of fittings/barbs available on market and no prescribed standards, we guarantee compatibility only for connectors bought from our web site.

The specs are listed out in a more descriptive manner, and are common for all 4 variants of the RVE monoblock: Clean CSQ and Original CSQ, both coming in acetal+nickel or plexi+nickel finishes. The product page also has a plot of the hydraulic restriction for these blocks compared to a few others that EK makes along with P-Q curves for their budget pumps. I liked seeing this because this shows they are confident about even these “weaker” pumps being able to handle the monoblock quite easily. This backs up their statement on the monoblock being a high flow component. Two things I would like to see added here: Warranty, and exact type/number of components inside. The first can be found on their terms of use page which lists a 2 year limited warranty on all products, as well as on the product box itself, but the second is not answered fully anywhere, including the user manual. But we will take a look at what is inside on the next page.

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