S
- SCSI – Small Computer Systems Interface - Massenspeicher
- SD Card – Secure Digital Card - Kamera
- SDRAM - Synchronous DRAM - Speicher
- SGRAM – Synchronous Graphics RAM - Speicher
- SIMD – Single Instruction Multiple Data - Prozessor, Software
- SIMM – Single In-Line Memory Module - Speicher
- SMT – Simultaneous Multithreading - Prozessor
- SIP – Session Initiation Protocol - Netzwerk
- SLI – Scalable Link Interface - Grafik
- S.M.A.R.T. – Self-Monitoring, Analysis and Reporting Technology - Massenspeicher
- SM Card – Smart Media Card - Kamera
- SNMP – Simple Network Management Protocol - Netzwerk
- SO-DIMM – Small Outline DIMM - Laptop, Speicher
- SPI – Serial Periphal Interface - Netzwerk
- SRAM – Static RAM - Speicher
- SSE – Streaming SIMD Extensions - Prozessor
- SSID – Service Set Identifier; Network Name - Netzwerk