FLASH MEMORY STORAGE

Sayam Asjad

TYPESSOLID STATE DRIVES MEMORY CARD USB FLASH DRIVE

SOLID STATE DRIVES

A solid state drive (SSD) is a storage device that typically uses flash memory to store data,instructions, and information.

Flash Memory Chips Flash memory chips are a type of solid

state media, which means they consist entirely of electronic components, such as integrated circuits, and contain no moving parts.

Introduced in 1995.

Capacity 1TB ( Maximum ) High speed as compared to normal physical

hard disk.

Available Sizes3.5 inches2.5 inches1.8 inches

SSDs are used in all types of computers including servers, desktop computers, and mobile computers and devices such as portable media players and digital video cameras.

Access times of SSDs are about 0.1 ms, which is more than 80 times faster than a hard disk.

Transfer rates of SSDs are faster than comparable hard disks.

SSDs generate less heat and consume less power than hard disks.

Why SSDs are preferred over Magnetic Hard Disk?

MEMORY CARD

A memory card isa removable flash memory device, that youinsert and remove from a slot in a computer, mobile device, or card reader/writer

Types of Memory CardCompactFlash (CF)Secure Digital (SD)Secure Digital High Capacity (SDHC) Micro SD Micro SDHC xD Picture Card Memory StickMemory Stick Micro (M2).

Size normally 1.5 inches.Normally used for transferring media

between computer and cell phone.Memory cards enable mobile users easily to

transport digital photos, music, or files to and frommobile devices and computers or other devices.

USB Flash DriveA USB flash drive, sometimes called a

thumb drive, is a flash memory storage device that plugsin a USB port on a computer or mobile device

Convenient source of storage USB flash drives are convenient for

mobile users because they are small and lightweight enough to be transported on a keychain or in apocket.

AdvantagesSmall size , huge data.PortableCan store up to 1TBIdeal solution for storing data

Advantages of Flash memory devices

PortableHigh capacityExcellent transferring speedLow power consumptionNo sound as compared to physical hard disk

Disadvantages of Flash memory devices

High price Easy to lose because of small sizeNot long lasting, limited number of read and

writes.