Waterblock Test – Joe
SUMMARY: Good choice for CPU cooling, but requires a high power waterpump to hit 1 gpm water flow – optimized for ¼” fittings.
The good guys at High Speed PC were nice enough to send a InnovaCOOL Rev4 to test (Go HERE for Innovatek’s website – in German).
The InnovaCOOL Rev4 features
- 8mm/¼” (OD) compression fittings
- Weight 275g
- Size 65 x 50 x 53 mm
- Solid copper core
- Plastic outer hull – four colors available with space for two LEDs
- P4 and Socket A mounts available
The base shows no signs of polishing marks:
The mounting system is quite good in design – it should be secure and very easy to use.
The InnovaCOOL Rev4 was tested using the CPU Die Simulator and Waterblock Test Rig.
| Waterblock | C/W | Pressure Drop – psi | Pressure Drop – inches H2O |
| InnovaCOOL Rev4 | 0.18 | 0.86 | 23.8 |
Unrounded data: 0.176 C/W with 0.0013 std dev.
Test Results indicate that the InnovaCOOL Rev4’s pressure drop (or head loss) across the waterblock is moderate; flow resistance such as this is not surprising given its ¼” fittings. This means that Innovatek’s Rev 4 requires a moderately large waterpump to hit a 1 gpm flowrate, although it is designed for lower flow systems.
However, I ran a test at 0.5 gpm and found the impact to be about 0.7ºC, not terrible by any means; pumping 1.5 gpm through it increased performance by about 0.7ºC.
For a comparison of the InnovaCOOL Rev4’s performance to other waterblocks tested to date, see Overclockers.com Waterblock Test Results.
The InnovaCOOL Rev4 waterblock is a good choice for CPU cooling, although extracting performance will take a very good waterpump. However, if other components unduly restrict waterflow, flow through the system could be considerably less than 1 gpm.
For users with systems using ¼” tubing and fittings, The InnovaCOOL Rev4 waterblock is a good choice.
Thanks again to High Speed PC for sending this our way.
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