"Small series, I installed the machine to buy more power suitable, right? How much power does it consume in a day?" Today, a small partner asked this question. If you simply answer that a power supply over 500W will work, it's not entirely accurate. You know, how much electricity does a computer really use? And how long can it run on a single charge? Let's take a closer look at this today.
**What is 1 kWh?**
It's hard to say exactly, but 1 kWh means an appliance running at 1000W for one hour. However, computers are dynamic—power consumption varies depending on the workload, so it's not easy to give an exact number.
Another important point is that the power supply's rated wattage isn't the same as the actual power consumption. For example, a 500W power supply doesn't mean your computer uses 0.5 kWh per hour. It just means it can handle up to 500W continuously. Also, power supplies have peak power capabilities, which can go higher—like 650W for a short time. Plus, there’s always some loss due to inefficiency when converting power from the wall to different voltages inside the PC.
This brings us to the 80Plus certification. This program encourages energy-efficient power supplies. There are six levels: White, Bronze, Silver, Gold, Platinum, and Titanium. Each level has different efficiency requirements. For instance, a White-certified power supply must be at least 80% efficient at 20%, 50%, and 100% load, with a power factor of at least 0.9 at 100% load.
**Who consumes the most power?**
Contrary to what many think, the CPU isn’t the biggest power user. Even high-end CPUs have a TDP (Thermal Design Power) of 65W, 90W, or more, but that's just a thermal design value, not actual power usage. The real big consumer is the discrete graphics card. Even when idle, its power draw can exceed some CPUs' TDP.
The ranking of power consumption in a PC is roughly:
1. Discrete Graphics Card
2. CPU
3. Motherboard
4. Hard Drive
5. RAM
6. Keyboard and Mouse
Keep in mind that hard drives are especially sensitive to power fluctuations, especially if you have multiple drives installed. This puts higher demands on the power supply's peak capacity, so it's something to pay attention to.
**How much power is enough?**
Computers are unique because their power needs vary based on the tasks they perform. Calculating exact power consumption can be tricky, so many people rely on experience or online tools. While these aren't 100% precise, they’re still very useful for choosing the right power supply.
One helpful tool is the online power supply calculator. Just visit the URL in your browser and input your system details—desktop, server, or mini PC. Select your motherboard, CPU, GPU, and other components. Some options even let you specify the quantity of each device.
After selecting all your components, click "Calculate." The result will show the total power required (Load Wattage) and the recommended power supply size (Recommended PSU Wattage). For example, if the calculation shows 388W, the recommendation might be 438W, meaning a 450W power supply would be ideal. This accounts for conversion losses and leaves room for future upgrades without hitting a power limit.
Outdoor Rental Stage Event LED Display
This series is a professional outdoor waterproof rental LED display, IP65 waterproof level is not afraid of wind and rain and anti-corrosion function. It is used for professional large-scale concerts,
concert stages, various party activities, evening parties, band
performances, etc. Good quality guarant with 2 year warranty,
professional good after-sale service.
As Professional Manufacturer of LED Screen, we fouce on quality and provide very good price and warranty service.
Outdoor Rental Stage Event LED Display,perfect well fit product for your indoor events solution, welcome to consult. Contact us to know more now!
Outdoor Rental Stage Event Led Display,Outdoor Concert Stage Background Wall,Outdoor Stage Rental Led Screen,Events Venue Led Screen System
Guangzhou Cheng Wen Photoelectric Technology Co., Ltd. , https://www.cwdisplay.com