Sorry, hard drives, but SSDs have you beat handedly here. Unless you’re looking at very long-term storage (like a decade or more), though, this is likely not going to be an issue that comes up. The data in SSDs is stored as an electrical charge in flash memory, and electrical charge can leak. Not only can you get more storage space for cheap (perfect for backing up a ton of data) but the data storage on a physical hard disc is more safely stored than it would be in flash memory cells. Longevityįor long-term storage, hard drives are the way to go. And once either of those parts stops working, the drive is out for the count unless you opt for expensive data restoration. With the moving parts in hard drives, even a small fall could damage the actuator arm or motors that spin the disc. Without moving parts, they’re able to withstand bumps and movement without much fuss. When it comes to durability, SSDs generally get the win here. SSDs vs Hard Drives: Head-to-head Durability There are also PCIe SSDs that slot into standard PCIe slots – the same ones graphics cards and other expansion cards slot into – instead of the specialized M.2 sockets. M.2 NVMe SSDs use a computer's high-bandwidth PCIe connection to transmit data, while the mSATA and M.2 SATA SSDs still use the slower SATA for data transmission. In this category, you’ll find mSATA SSDs, M.2 SATA, and M.2 NVMe SSDs, each with a distinct connector on the motherboard (i.e., they’re not interchangeable). Then there are an assortment of SSDs that don’t come in an enclosure and connect directly to ports on the motherboard. There are the 2.5-inch SATA SSDs that look identialy to their hard drive counterparts. While shopping, you’ll generally find yourself faced with a few different types of SSDs. However, consumer SSDs come in many different flavors that are worth briefly exploring. Despite the different hardware, some SSDs still come in a compact drive similar in size to the 2.5-inch hard drives, connecting to PCs using the same SATA data connector and separate power connector. There’s no moving parts inside the drive, just moving electrons. They use any number of flash storage chips to store data. For most consumer hard drives, you’ll be looking at a unit that comes packed into a 3.5-inch or 2.5-inch drive size, and connects to your PC using a SATA data connector as well as a separate power connector. Hard drives aren’t limited to having just one platter and one read/write head. The hard drive can also write data to the disc, and it doesn’t read all the data in order, instead jumping around frequently to read lines of data all over the disc in succession. The difference is that a hard drive disc is using magnetism to read that data instead of a needle staking over the grooves on the record. This is fairly similar to how an analog record player works in that the disc spins constantly while the head reads data off the disc as it rotates. Inside the hard drive, there’s a motorized actuator arm that rapidly moves a rear/write head across the surface of the disc. While there’s nothing soft about an SSD, hard drives pack an actual hard disc (called the platter) into their body.
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