A
solid-state drive (SSD) is also known as an electronic disk or
solid-state disk, is a data storage device, that is built out of
semiconductors. SSD uses same input/output interfaces designed and
developed for HDD (Hard Disk Drives) and uses solid state memory to
store persistent data. Solid-state drive doesn’t have moving
mechanical components and uses DRAM to store data or NAND based flash
memory. It can be classified into two types namely flash memory based
SSDs and DRAM-based SSDs. Flash memory based SSDs do not require
batteries and use non-volatile flash memory. In addition, flash
memory based SSDs retain memory even during power outages. However,
these types of SSDs are slower as compare to DRAM but are less costly
comparatively. DRAM based SSDs require an external AC/DC adapter or
battery and use volatile memory. Data access speed is higher as
compare to flash based memory SSDs.
The
solid-state drive market can be segmented into three major types into
memory type, application and capacity. The memory type segment
includes flash memory based SSDs and DRAM-based SSDs, while
application segment personal computers, laptops, servers, HD
camcorders, ultra books, smart TVs, DVR (digital video recorder),
set-boxes and gaming consoles among others. The capacity segment
includes 60-64 GB, 80-96 GB, 120-128 GB, 160-200 GB, 240-256 GB,
360-400 GB and maximum available capacity (GB).
Some
of the key drivers of this market include increasing usage of
tablets, smartphone and other mobile devices, increase in reliability
and HDD and ODD sales decline, which are biggest revenue generator
for solid-state drive market. Some of the key restraints to this
market are high cost and lower space comparatively.
HDDs
(Hard Disk Drives) are being replaced by solid-state drives due to
increasing awareness and use of SDDs in various applications and
increased in demand for smartphone, tablets and other related
devices. SSDs facilitate longer run time and faster data access. In
addition, due to various benefits offered by SSDs such as higher
reliability, light weight, small size, less heat generation and low
power consumption among others. These benefits of solid-state drives
automatically increase value of services to the customers and in turn
will drive the market for solid-state drives.
Some
of the key players in the solid state drive market are Fusion-IO,
Samsung, Kingston, IBM, HGST, LSI, SanDisk, OCZ, Violin Memory,
Skyera, Pure Storage, Nimbus Data Systems, Whip Tail, Intel, Micron,
A3cube and Maxta among others.
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