[Teisha Nolen]

When it comes to physical computer storage, there are several options available, depending on what you are trying to accomplish. Disk Drives, whether hard disk (HDD) or solid-state (SSD), are the primary options for storing items such as operating systems, apps, and files. HDDs rely on spinning disks and are great for large, affordable storage. SSDs, on the other hand, are faster and more durable because they have no moving parts.
RAID storage combines multiple drives into one system for better speed, redundancy, or both. RAID setups such as RAID 1 (mirroring) or RAID 5 (striping with parity) are often used in servers or critical data environments.
Optical drives, like CD, DVD, and Blu-ray readers, use lasers to access data—though these are less common today. Then there are hybrid drives, which mix HDD and SSD technologies to balance speed and capacity.
For connections, SCSI was popular in high-performance systems but has mostly been replaced by faster interfaces like SATA and NVMe. SATA is still used in many systems, while NVMe SSDs connect through PCIe slots for increased speed. New SCSI devices obtain higher speeds with serial connections.
Storage options should be chosen based on your individual needs—speed, capacity, durability, or fault tolerance.