PC Water Cooling

Bitspower MSI GTX 970 Full Cover Waterblock Review

« Installation | Benchmarks »

Test System

Type: Component name: Provided by:
Processor Intel Core i7-5960x Extreme Edition (retail) Intel
Motherboard EVGA X99 Classified EVGA
Memory Kingston HyperX Fury Black 4×8 DDR4 2400MHz CL15 Kingston
Drive Samsung EVO 840 250 GB SSD Reviewer
Graphics MSI GTX 970 Gaming 4G MSI
Thermal Compound Noctua NT-H1 Noctua
Case DimasTech Easy XL Test Bench DimasTech
Power Supply Enermax Platimax 1000W Enermax
Operating System Windows 7 x64 Pro Reviewer
Test Software Uningine Valley 4.0 / MSI Afterburner AIDA64
Radiator RX360 Triple Fan Radiator V3 Reviewer
Pump/Reservoir D5 Vario Photon 170 Reservoir/Pump Combo Reviewer
Fittings Bitspower Matt Black Compression fittings for 7/16-5/8 tube Bitspower
Standardised Fans 3x Enermax Twister Storm 120mm Enermax

Tests were conducted with the D5 Photon 170 Reservoir/Pump combo pump speed set to 3 on the dial. The water loop was filled using distilled water only. A 24 hour leak/bleed process was completed before benchmarking. Three Enermax Twister Storm fans were mounted to the XSPC RX360mm radiator. Ambient air temperature is measured at the fan intake and kept constant at 23°C. Fan speeds were manually set to 800 RPM.

To test the water block I left a loop of Uningin’s Valley 4.0 running. Since it takes a while for the heat to buildup in the water in the cooling system, I left the application running for an hour before recording temperatures. I verified 100% GPU utilization using the MSI Afterburner application. Temperatures were recorded with TechPowerUp’s GPUz and maximum temperature was recorded. for ovclocking I used the MSI afterburner application to push the GPU to 1528 MHz on the GPU and 8000 MHz for the memory.

Noctua’s NT-H1 thermal compound is used as it is non-conductive, non-corrosive, compressor-cooling compatible, long-term stable in storage or use, and does not require curing time. Plus, the compound’s consistency spreads well under pressure without the need to be manually spread.


Enermax has generously provided four Enermax 120mm Twister Storm fans to use for standardised testing. Using the speed shift control, fan speeds were limited to a maximum of 2500 RPM.

Enermax Twister Storm


Enermax Twister Storm Specifications:

Dimensions (mm) W120 x H120 x D25
Speed Control fixed RPM with Shift Speed Control (SSC)
Bearing Technology patented Twister Bearing Technology
Number of Blades 9 Storm-Flow Blades
Fan Speed (RPM) 1500 ~ 3,500 (+/- 10%)
Air Flow (m³/h) 123.11 ~ 262.55
Air Flow (CFM) 72.46 ~ 154.53
Static Pressure (mm-H2O) 2.512 ~ 11.125
Noise Level (dB(A)) 23 – 38
Connector 3 pin

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