Many people don't know or not sure which one or how many watt of power supply should used for computer. In this scenario, depend on what you do. Each hardware we attach on motherboard using some voltage and watt. This value different with each hardware.
This is some list of hardware with watt usage:
- Intel cpu
-> Intel Celeron socket 478 = 35 watts - 78watts **
-> Intel Pentium 4 socket 478 = 58 watts - 103 watts **
- VGA card = 30watts - 70watts **
- Memory = 7watts - 40watts **
- HDD (PATA/SATA SCSI) =25watts / each
- PCI Modem = 4watts
- NIC = 4watts
- Sound Card = 7watts - 18watts **
- SCSI Controller Card = 25watts
- CD-ROM = 20watts
- DVD-ROM = 25watts
- CD-RW = 20watts
- DVD / CDRW COMBO = 30watts
- DVD-RW / DVD+RW = 25watts
- ZIP Drive = 10watts
- USB Port (1.1 / 2.0) = 5watts / each
- IEEE Fire Wire = 8watts
- Fan = 2watts - 3watts **
- Internal Multi Memory Card Reader = 10watts
** depend on model / type
Before you buy new power supply, please read carefully sticker on power supply which will tell you how many watts peak and so on. (Power supply calculator)
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