PSU or power supply units are responsible for managing or controlling the entire framework of a Personal Computer, the absence of which makes the system deficient. Even though most individuals consider spending on PSU not important in comparison to the other parts, it sure is. On the contrary, the PSU will determine the longevity of the other components of the PC. A wrong pick can cause damage to the other components, which will increase your losses.
The importance of purchasing a top-notch PSU is that otherwise, upgrading to a high-end graphics card will not be possible.
The power supply unit is rated, keeping in mind various parameters like safety, efficiency, components, and stability, among others. Depending upon these factors, the PSU can be rated as Titanium, Platinum, Bronze, Silver, Gold, or Standard.
What are the main factors that determine the tier list?
- Safety: You can judge a PSU as good if it has effective safety mechanisms like UVP (Under Voltage Protector), OVP ( Over Voltage Protector), etc. these mechanisms will help keep the various components of the PC safe.
- Stability: a PSU with proper stability will not lower its capacity or shut down under high-temperature conditions.
- Components: a superior quality PSU will last for a longer time and will be worth every penny spent. The various components that make up a PSU are regulators, filters, transformers, and rectifiers. Some of these devices also come with cooling fans. The perfect working of these components will result in a great PSU.
- Efficiency: an efficient PSU will ensure less consumption of electricity and hence lower e-bills. Basically, the output to input ratio will be in your favor.
The PSU Hierarchy
Tier-1: Best PSU for Low-end PC
- Bitfenix – BF450G
- Cooler Master – Elite series
- Corsair – CX450
- EVGA – 400W
- FSP – Hexa series
- Thermaltake – TR2
Tier-2: Best PSU for Average Office PC
- Antec – Basiq VP-F, Basiq BP,Basiq VP
- be Quiet! – Pure Power 10 350W
- Bitfenix – BPA series
- Corsair – Rev. 2 CX “Green unit” variants, VS “grey units”
- Enermax – NaXn 82+ series
- EVGA – 450B/500B/600B/700B, NEX-B,430W/500W/600W 80 PLUS units
- FSP – Raider Silver series
- Silverstone – Strider Essential, Bronze SFX
- Thermaltake – LitePower, ToughPower, Smart series < 750W
- XFX – XT series
- Zalman – GS/GT series
Tier-3: Best PSU for PC with Low-end GPU
- Antec – EarthWatts/EA Green, Earthwatts Platinum, High Current Gamer, NEO ECO series
- be Quiet! – Power Zone, Pure Power L9, Straight Power E9, Pure Power L8
- Cooler Master – GM, GX Storm, MasterWatt Lite series
- Corsair – Old CXM “Green unit” variants, Rev., GS-series
- Cougar – LX series
Tier-4: Best PSU for Work Stations
- be Quiet! – Straight Power E10
- Bitfenix – Fury
- Corsair – CXM, CSM,Rm series
- Cougar – GX-S
- Deepcool – DQ-ST series
Tier-5: Best PSU for High-end Gaming PC
- Antec – EDGE, TruePower Classic series
- be Quiet! – Pure Power 10, Pure Power 11.
- Enermax – Digifanless, RG, GX series
- EVGA – G1+, GQ, G3, B2, 550W and, 650W GS series
- Fractal Design – Edison M, Tesla R2 650W/1000W, Newton R3 series
Tier- 6: Best PSU for Gaming PC with Multiple GPU
- Aerocool – Project 7 series
- Antec – High Current Pro, High Current Platinum
- beQuiet! – Dark Power Pro P10, Dark Power Pro 11, Straight Power 11 series
- Bitfenix – Whisper series
- FSP – Aurum PT series
What to consider when buying a PSU?
Before you go on to purchase your PSU, here are some questions that you should consider. For instance:
- What is the +12V Rail?
- How important is energy-saving for me?
- Is a good power supply needed for gaming?
- If my PC is a gaming on, how many watts should I need?
- Will a modular power supply be needed?
- What is an 80Plus Rating?
- Will it be possible for me to afford too much wattage?
To break down a couple of these questions, if you were to ask how many watts PSU you would require? We would say that you will be able to determine how much power your new system will require by employing the power consumption calculators that will help you determine the PSU watts. You could take the help of MSI PSU Calculator, Seasonic Wattage Calculator or Cooler Master Power Calculator, among others.
Picking the right PSU
You might be going back and forth over a few couples of Power Supply Units to finalize your pick. Let it be said that not only do you have to calculate the power usage or watts but also look at the rating and the system type. A little bit of thought has to be put into buying this since they are the most sensitive section of your Personal Computer. Your PC might look fine and be working fine with the PSU, but it does not mean that it is satisfied with the power supplied. Over time, your system might come crashing down. Mainly when you are to over-lock your system’s RAM?/GPU/CPU, the power consumed will be extremely high to counter which a beastly power supply is a mandate.
This is not a layman’s task. It requires deep knowledge and understanding of power supply units. So do your shares of research before you buy one for your PC.
It is recommended that you invest well on a PSU so that it will not require upgrading in the near future like the other components. A good PSU has the capability of saving your computer from damage. The power supply unit will cool down the internal body and prevent the heat from spreading inside the case of your PC. Some PSUs also come equipped with fans that you can upgrade from time to time. If you have made it to the end of this article, you probably have understood the entire concept of PSU a little better than before.