Whether you’re building a basic desktop or a power-house gaming PC, choosing the right PC power supply unit (PSU) is an important decision. Here we have PSUs for Lenovo 54Y8923. Fully Modular Cable Management, 80 Plus Gold-Certified to Deliver over 90% Efficiency ...
New Replacement LENOVO 54Y8923 AC Adapter
Lenovo 54Y8923 adapter
Product Details
Device Type: Power adapter - external
Power Capacity: +12V==14.5A(yellow),-12V==0.2A(blue)
Manufacturer Warranty: 1 year warranty
Fit Models: for Lenovo Q77/B75/A75/Q75 /H81/Q85/Q87
Adapter Part Numbers:
54Y8922 FSP180-30SBV SP50A36147 SP50A36146 PCB020 PCE008 HK280-71FP HK340-72F PS-3181-02 PS-4241-01/02 FSP240-40SBV
UK online suppliers of high quality laptop batteries, laptop AC adapters. All of our batteries are built using high quality cells from Japan and Korea. We carry replacement laptop batteries for over 50000 laptop models.
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hy You Need A High Quality PSU ?
The role of a PC power supply unit is to convert the AC electric power that comes from the mains to the DC power that the computer requires. But it can do much more than that. A good quality power supply can make your system more efficient, stable and reliable.
Choosing Your Power Supply
Firstly, ensure you select a PSU from a reputable manufacturer.
Output
When choosing a PSU the output is very important. This output is listed as watts and should be greater than the combined wattage of all the components in your system plus 40 to 60%. Very simplistically speaking the more demands you place on your system the higher the wattage of the PC power supply unit should be. For example, a high end gamer will require a far higher wattage than a home user who surfs the net and does some word processing.
Energy Efficiency
But it isn't all about the wattage. Efficiency is important so look for PSUs that have the 80 Plus certification. This indicates that the PSU will waste less energy than other units making it cheaper to run and much more reliable. PSU Cabling
There are different types of PSU and cabling. Fully modular power supply units enable the user to remove surplus cables from the case, whilst a semi modular PSU has a mix of detachable and hard wired, or permanent, cables.
The third option is a fully wired PSU which, as the name suggests, does not allow any cables to be disconnected. Of the three the fully modular unit is the most versatile.
Power supplies are a frequently misunderstood-and overlooked-PC component. Also called a power supply unit or PSU, the component that supplies power to a computer.
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