3.5 – Power Supply Unit Flashcards
1
Q
PSU = Power Supply Unit
A
Critical component since they provide power to the motherboard & all other components attached to it
Redundant power supply
2
Q
Watts
A
identify the total amount of power a PSU can deliver
o More watts = more connectors (SATA / PCIe), more things power up
o 500 watts = recommended by COMPTIA as standard PSU
o Match wattage when replacing PSU OR get higher wattage [NEVER lower]
3
Q
Non-modular PSU
A
have all the cables permanently attached [most computers are]
o Can take up space & reduce air flow
4
Q
Modular PSU
A
DON’T have any cables attached, just connectors [more expensive]
o Only need to attach necessary cables
