A user needs to upgrade the power supply of an older workstation to properly power a new graphics card. Which of the following criteria should the technician check to ensure the power supply will support the upgraded workstation? (Choose two.)
The technician should check the wattage and the form factor of the power supply to ensure it will support the upgraded workstation. These are the two most important criteria for choosing a compatible and adequate power supply.
Wattage: The wattage of a power supply is the maximum amount of power it can deliver to the components of the workstation. The wattage of the power supply should match or exceed the total power consumption of the components, especially the new graphics card, which is usually the most power-hungry part. If the power supply does not have enough wattage, it may cause instability, crashes, or damage to the workstation. To estimate the power consumption of the components, the technician can use a power supply calculator tool, such as the ones found in the web search results123. The
technician should also add some headroom to the wattage, such as 20% to 50%, to account for peak power consumption, future upgrades, or power supply degradation
Form factor: The form factor of a power supply is the physical size and shape of the unit. The form factor of the power supply should fit in the case of the workstation and match the mounting holes and screws. The most common form factor for desktop power supplies is ATX, which measures 150 x 86 x 140 mm. However, some older or smaller workstations may use different form factors, such as SFX, TFX, or FlexATX. The technician should check the specifications of the workstation case and the power supply to ensure they have the same form factor.
It is C and D. You need enough Wattage and be sure that the PSU will fit in the machine. Many pre-made computers have different size PSUs
Efficiency doesn't matter, a gold rated will work as well as a platinum, the latter just being better.
Heat has nothing to do with the question
Fan doesn't either
Modular cabling is never required, it's just nicer.
I vote C and D
power supplies you need to know total wattage, and form factor(how big/what kind) matters the most. Efficient rating is not right because we don't care about e.g. Miles per gallon but how strong the engine is.
Both chatgpt and microsoft autopilot confirm C and D and actually it makes sense to look at the wattage (C) to ensure that the PSU will be able to handle all components running on the desktop machine as well as the form factor to make sure it fits the chassis. Any suggestions with a good argument is appreciated.
I initially chose C and B, but decided to check with Windows Copilot. Here is its response:
To ensure the power supply supports the upgraded workstation and new graphics card, the technician should check the following criteria:
Wattage C:
The wattage (power output) of the power supply is crucial.
Verify that the power supply provides sufficient wattage to meet the demands of the new graphics card and other components.
Graphics cards often have specific minimum power requirements listed by the manufacturer.
Efficiency Rating (A):
Efficiency ratings (such as 80 PLUS Bronze, Silver, Gold, Platinum) indicate how efficiently the power supply converts AC power to DC power.
Higher efficiency ratings result in less wasted energy and better overall performance.
While not directly related to compatibility, a higher-rated power supply is generally better.
Con't:
Other Options:
B. Heat Dissipation: Heat dissipation is important for overall system stability but doesn’t directly impact compatibility.
D. Form Factor: Form factor (ATX, SFX, etc.) ensures physical compatibility with the case but doesn’t affect power delivery.
E. Fan Type: Fan type affects cooling but isn’t a primary consideration for power supply compatibility.
F. Modular Cabling: Modular cabling simplifies cable management but doesn’t impact compatibility.
In summary, prioritize wattage and consider efficiency when selecting a power supply for the upgraded workstation.
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