| About.com | | Article discussing things to look for when choosing a power supply including power output, form factor and noise level. |
| Akasa Thermal Solutions | | Manufacturer of low noise desktop power supplies between 400 and 460 watts. Also make cases, cooling solutions and modding kits. |
| Antec, Inc | | Manufacturer of desktop and server power supplies, including silent fanless models. Also make cases, rackmount enclosures and CPU cooling fans. |
| Enhance Electronics | | Manufacturer of desktop, server and rackmount power supplies of between 250 and 550 watts. |
| Hiper Group | | Manufacturer of desktop power supplies between 350 and 525 watts. Includes links to product reviews. Also make LCD screens, dvd players and cathode light tubes for PC cases. |
| N2Power | | Manufacturer of ultra small form factor power supplies for network hardware. |
| Nexus Technology bv | | Manufacturer of low noise desktop power supplies between 300 and 400 watts. Also make CPU cooling and case fans. |
| PSU Wattage Calculator | | Estimates PC power consumption based on components to help with selecting an appropriate sized power supply. |
| Sea Sonic Electronics Co., Ltd | | Manufacturer of desktop and server power supplies, including silent fan control versions. Includes technical information and a support FAQ. |
| Tagan Technology Co, Ltd | | Manufacturer of low noise PC power supplies of between 330 and 480 watts. Includes technical specifications. [Flash intro sequence.] |
| Thermaltake Technology Co, Ltd | | Manufacturer of desktop and server power supplies, including adjustable fan speed and fanless silent models. Vary between 300 and 680 watts. Also offer cases and cooling products. |
| Zalman Tech Co, Ltd | | Manufacturer of low noise desktop power supplies of 300 and 400 watts. Also make system cooling and computer audio products. |
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