Storage Devices

Factors that can effect storage devices

speed

capcity

Portability

durability

reliability

Cost

Solid State Drives(SSD)

Solid State Drives are mainly used for holding software

SSD in PCs typically have around 256gb of storage

Hard Disk Drive

Hard Disk Drives are typically used to hold data

the typical storage capacity for a Hard Disk Drive is 1Tb

SSDs are much faster then other storage devices as well as being designed as compact keeping the device small

SSDs are used in most new laptops

SSDs use much less power then a Hard Disk Drive

SSDs consist of a collection of flash memory chips

Magnetic Tape

Magnetic Tape is mostly used for backups and is widely used for archiving data

one chatridge of tape can store 15Tb of data

Magnetic tape can include built in encryption making it very secure

External Hard Drive

External Hard Drives are typically connected to computers through the use of a usb

External hard drives are designed to be portable as well as being easy to uses and having large amount of storage

They can be moved from device to device creating an easy way to move data between devices

They can often be used to save backup data

USB Flash Drive

they typically stores between 16 and 512Gb with some high end ones being able to store 1Tb

Flash drives use very little power, do not include any fragile moving parts and are designed to be small and light

USB Flash Drives are useful when transferring data between computers

SD Card

Some drawbacks are due to their size being easy to misplace
They also have the ability to get a virus from one computer and transfer it to any that it is used on

SD card is a very small form of flash memory card

it can provide high-capacity storage typically between 32gb and 2Tb

designed for smaller devices such as cameras and phones

Optical disks

most often used for storing music/video

Optical disks are widely excepted by systems with most computers being able to read disks