Dump that poky portable hard drive! External solid-state drives are faster and more affordable than ever. Check out our top-rated SSDs, plus detailed advice on how to buy the right one for you.

The WD Black SN850X is the best SSD for most gamers as it's one of the fastest PCIe 4.0 SSDs you can buy, with fast sequential read and write speeds of 7,300MB/s and 6,600MB/s, respectively. More ...

Metal oxide varistors (MOV) is often used to limit the overvoltage generated by the current breaking of dc breaker to protect power electronic device from breakdown. However, while suppressing ...