SSD (disambiguation)

A solid-state drive is a type of data storage device which uses semiconductor memory rather than magnetic media.

SSD may also refer to:

Science and technology

 * Saturated-surface-dry, aggregate or porous solid condition
 * Singular spectrum decomposition, a method of decomposing nonlinear and non-stationary time series as a form of singular spectrum analysis

Biology and medicine

 * Schizophrenia spectrum disorders
 * Signal-sensing domain, in molecular biology
 * Sterol-sensing domain, a protein domain
 * Speech sound disorder
 * Sexual size dimorphism
 * Single-sided deafness
 * Somatic symptom disorder
 * A brand name for Silver sulfadiazine antibacterial

Computing

 * Server-side decoration of windows, an alternative to client-side decoration
 * Solid-state drive
 * Single-shot multibox detection, computer vision object detection
 * System sequence diagram in software engineering

Mathematics

 * Schwartz sequential dropping, an electoral system

Other uses

 * Sardar Sarovar Dam, Gujarat, India
 * Scalextric Sport Digital, toy cars
 * Singapore School for the Deaf
 * South Sudan (ISO 3166-1 alpha-3 code: SSD)
 * SSD (band), Boston, US, 1981–1985
 * Siroi language (ISO code: ssd), of Papua New Guinea
 * Special School District of St. Louis County
 * Stansted Airport railway station (National Rail code: SSD)
 * Social Security Disability Insurance (SSD or SSDI), US
 * State Security Department, North Korean secret police
 * United States–Russia Strategic Stability Dialogue, meetings to reduce the risk of US–Russia nuclear war