Power Supplies Flashcards
1
Q
What is the typical wattage for power supplies?
A
250 - 1200W
2
Q
What is a dual rail power supply?
A
It supplies power in multiple wires rather than single
3
Q
What is the input voltage that power supplies use?
A
110 or 220V
4
Q
What things are important to account for when selecting a compatible power supply?
A
Wattage (more than required) Dual-rail Size Number of connectors (expansion) ATX/Micro ATX Dual-voltage
5
Q
How many pins does a SATA connector have?
A
15
3 for power (3.3v, 5v, 12v) x1.5A 30 W
6
Q
How many pins does a Molex connector have?
A
4
2 for power (12V, 5V)
7
Q
How many pins does an ATX connector have?
A
20
4 for power (3.3V, 3.3V, 5V, 5V) 20-30 W
Extra 4, 8 pin version
8
Q
What connector is used to power the motherboard?
A
ATX
9
Q
What connector is used for older IDE or SCSI drives?
A
Molex
10
Q
How many pins does a PCIe slot use if it requires more power?
A
6 or 8
