A solid-state drive (SSD) is a solid-state storage device that uses integrated circuit assemblies to store data persistently, typically using flash memory, and functioning as secondary storage in the hierarchy of computer storage. It is also sometimes called a solid-state device or a solid-state disk, even though SSDs lack the physical spinning disks and movable read–write heads used in hard disk drives (HDDs) and floppy disks.
There are several connector types that SSDs use to interface with a computer, including SATA, PCIe, M.2, U.2, mSATA, SATA Express, and even none, as some SSDs now come soldered to the board. For a consumer, the most common options are SATA and M.2. SATA is known as the old two-connector system that hard drives used, including a SATA Power and SATA data cable. SATA-based SSDs are best for older computers that lack newer SSD connector types and have only SATA connections. A great way to boost the speed of an older computer with a spinning hard drive is to clone the drive to an SSD, and replace the Hard Drive with an SSD, increasing the computer’s ability to read/write data, possibly by tenfold. However it should be noted that these SATA drives are capped at a maximum theoretical transfer speed of 600MB/s, whereas other un-bottlenecked SSDs have recently exceeded 3GB/s, nearly five times the SATA maximum. This means SATA-based SSDs cannot utilize the speed and efficiency of newer controllers such as NVMe.
There are multiple offerings when it comes to SSD storage space options: portable, pocket-sized flash drives, external SSD drives, and the server-side internal SSD drives.
Western Digital currently offers the world’s highest capacity, pocket-sized, portable SSD at 8 TB. Samsung offers an external SSD with 16 TB of available for a little over $4000.00.
For servers, the Seagate Lyve Drive Mobile Array now provides an isolated, high-performance, 6-bay storage SSD drive array, which is sturdy and easily transported. This mobile array recently displayed at CES features six Seagate’s 18 TB Exos Heat-Assisted Magnetic Recording hard drives offering a total capacity of 108 TB.
Liquid Web currently offers multiple SSD options to choose from:
Two 250 GB SSDs in a RAID1 configuration, increasing up to 2 2Tb SSDs in a RAID1 configuration
Four 250 GB SSDs in a RAID10 configuration, increasing up to 4 2Tb SSDs in a RAID10 configuration
Liquid Web’s Dedicated Server solutions are entirely customizable for speed, memory, and storage options.
SSD drives have no moving parts to wear down or break, which provides better performance and improved reliability over regular hard drives. Additionally, SSDs provide enhanced data integrity and endurance since they retain data even when not powered up.
This being said, SSDs do have a downside. There is a finite number of writes available, which will cause the eventual need for a replacement SSD drive to be employed. Additionally, some drives may arrive from the factory with degraded blocks or pages, which can cause an exponentially faster breakdown and cause the early failure of the drive. Granted, this is a rarity, but it can occur.
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