One of the most cost-effective ways to upgrade a computer or console is with solid-state storage. The fastest flash drives will make your desktop or laptop feel snappier with shorter app and operating system loading times. The best part is that we’re at a point where you don’t have to choose between speed and capacity – the latest SSDs offer both. Whether you want to replace an old hard drive or upgrade the capacity of your existing SSD, this guide will help you navigate all the complexities of buying a modern flash drive. Don’t know the difference between an NVMe and M.2 drive? Don’t worry, Engadget has you covered.What to look for in a PC SSDThe most affordable way to add fast storage to a computer is with a 2.5-inch SATA drive. It’s also one of the easiest if you don’t want to worry about compatibility since almost every computer made in the last two decades will include a motherboard with Serial ATA connections. For that reason, 2.5-inch SSDs are a great way to ex