Zalman Tech Co, Ltd - Manufacturer of low noise desktop power supplies of 300 and 850 watts. Also make system cooling and computer audio products. Enermax Technology Corporation - Manufacturer of desktop and server PSUs. Includes technical specifications. [Flash intro] Antec, Inc - Manufacturer of desktop and server power supplies, including silent fanless models. Also make cases, rackmount enclosures and CPU cooling fans. Akasa Thermal Solutions - Manufacturer of low noise desktop power supplies between 400 and 1000 watts. Also make cases, cooling solutions and modding kits. Enhance Electronics - Manufacturer of desktop, server and rackmount power supplies of between 250 and 650 watts. N2Power - Manufacturer of ultra small form factor power supplies for network hardware. Sea Sonic Electronics Co., Ltd - Manufacturer of desktop and server power supplies, including silent fan control versions. Includes technical information and a support FAQ. About.com - Article discussing things to look for when choosing a power supply including power output, form factor and noise level. Leeer - Manufacturer of mini intelligent UPS for data protection and data recovery products.