Zalman VF3000A ReviewRHKCommander959 -
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To test the graphics card heat sinks, I ran two batteries of tests: idle and load for the stock heat sink, Sapphire Vapor-X heat sink, Zalman VF3000A at minimum and maximum speeds, and ProlimaTech MK-13 heat sink without a fan, with a single low CFM fan, single high CFM 38mm wide fan, and dual low CFM fans. Both the stock and Vapor-X heat sinks were left on auto for one iteration and then set for 100% fan speed on another to get the best case scenario possible for those heat sinks. Furmark was used to get the load numbers after a 15-minute run, between runs a cool down was allowed to let temperatures settle back down. GPU-Z was used to monitor the temperatures.
- Processor: Intel Core I7 920 150x20
- Motherboard: MSI X58 Eclipse SLI
- Memory: Mushkin HP3 12800 7-7-7-20
- Video Card: ATI Radeon HD 5870
- Power Supply: Mushkin 800 watt Modular power supply
- Hard Drive: 1 x Seagate 1TB SATA
- Optical Drive: NEC DV5700
- OS: Windows Vista Ultimate Edition SP1 64-bit
- Case: Thermaltake Armor +
The Zalman heat sink performed amazingly, coming in with the best idle and load temperatures. The next closest heat sink was the ProlimaTech MK-13, which chased behind a couple degrees. The worst temperatures were from automated fan speeds, especially from the reference heat sink, as well as passive cooling on the ProlimaTech heat sink. At low settings, the VF3000A was inaudible over the rest of the system, while at full speed it was barely audible over everything else. Great temperatures and low operational noise are a powerful combination!