1X(20+4 Pin LCD Supply Tester for ATX, ITX, BTX, PCI-E, SATA, D C4C8)
1X(This 20+4 pin PSU supply tester is a ful tool for testing your PC's supply. This tester is compatible with ATX, BTX, and ITX motherboard configurations and will help you avoid expensive damage to your computer. This unit is capable of testing multiple connectors: both 20- and 24-pin supplies, SATA , Pentium 4 connectors, 6-pin PCI-Express connectors, 8-pin CPU connectors, floppy drive connectors, and standard 4-pin supply connectors.
Equipped with four alarms, this tester will alert you of lower or higher . values, lower voltage, over voltage, and no voltage. Its robust design is made to last and is Perfect for enthusiasts, ambitious hobbyists, tradesmen, and anyone seeking an all-in-one supply unit tester for their personal computer.
Featu a backlit, LCD display, this supply tester can verify that every part of your computer supply is fully operational. It will provide you with voltage read-outs and lets out a clearly ble beep if it encounters a problem with your supply.
Multiple, durable plastic ports can accommodate floppy, D, CDROM, SATA, 4-pin (P4), 6-pin (PCI-Express), and 8-pin (Dual-CPU) supply connectors. You will need to have 20-pin or 24-pin cable connected when testing any other cable.
Each of these testers is specially designed with a durable plastic casing. It is reinforced to keep the internal electronics well-protected from dings and scratches that can be sustained du transport and from regular use. The multi-use supply tester can connect to most personal computers. Use it , or anywhere you have a computer.

E: If your supply tester produces a constant beep and the 12V2 indicates "LL," this does indicate that your supply or the tester is defective. Instead, it means the 2nd 12-volt rail is detected. This could be caused by two things: either you are testing a )