Waterblock Test – Joe
SUMMARY: Good choice for CPU cooling with moderate-high power waterpumps.
The MCW6000 features
- 3/8” hose fittings
- Forged copper base with 281 pins
- All copper construction
- Waterblock adaptable to all current CPUs
You will notice below that the MCW6000’s pressure drop is fairly high – this is due to its interior design…
which features 281 pins; in addition, the 3/8” hose fittings take a toll on pressure drop (NOTE: There is another version of this product available – the MCW6002 – which uses ½” hose fittings.)
The base is typical Swiftech:
very well finished – performance will NOT be enhanced by hand lapping.
Mounting is by a plate (shown here for P4 mounting)
which slips over the center; different plates are available for other CPUs.
The MCW6000 was tested using the CPU Die Simulator and Waterblock Test Rig.
Pressure Drop – psi
Pressure Drop – inches H2O
Unrounded data: 0.141 C/W with 0.0018 std dev.
Test Results indicate that the MCW6000’s pressure drop (or head loss) across the waterblock is moderately high; flow resistance such as this means that MCW6000 will require a good waterpump – anything less than 300 gph might compromise results, depending upon how restrictive other components are in system.
I found that reducing flow to 0.5 gpm resulted in a performance decrease of about 0.6ºC and increasing flow to 1.5 gpm resulted in a gain of about 0.5ºC.
For a comparison of the MCW6000’s performance to other waterblocks tested to date, see Overclockers.com Waterblock Test Results.
Swiftech’s MCW6000 Waterblock is a very good choice for CPU cooling; the MCW6000 should perform well with moderate-high power waterpumps (300 gph or more), as long as other components do not unduly restrict waterflow. Purchasers might want to consider the MCW6002 as an option.