Manufacturer: Thermaltake. The 1500W Toughpower Power Supply is an Intel 12V 2.3 and EPS 2.91 compatible Power Supply. It has a stable 1500W continuous output with peak power at 1600W (at 50°C operating environment). This power supply supports Dual core CPU, Quad core CPU, NVIDIA SLI and all Multi-Core GPU Technology and is designed to support multiple high-end Graphics Cards with four 8pin and four 6pin PCI-E connectors. Modularized Cable Management eliminates clutter and improves airflow inside the case and the 4 independent 12V rails provide superior performance. The 1500W Power Supply has Active Power Factor Correction (PF>0.99), high efficiency (up to 87%), high reliability (MTBF>120,000 hours) and a quiet, reliable 14cm ball-bearing fan. The 1500W Toughpower Power Supply is 3-Way SLI approved for GTX200 cards.