| Abbreviation | Definition |
|---|---|
| SA | Socket A |
| SACCS | Scalable Asynchronous Cache Consistency Scheme |
| SACD | Super Audio Compact Disc |
| SAM | Screen Activated Machine |
| SAM | Switch Adapted Mouse |
| SAN | Some Adjustment Necessary |
| SAP-1 | Simple As Possible computer |
| SAPS | Stand Alone Power System |
| SAR | Successive Approximation Register |
| SAS | Self-Aware System |
| SAS | Serial-Attached SCSI |
| SAS | Serial-Attached SCSI (Small Computer System Interface) |
| SAT | Site Acceptance Test |
| SB | Self Booting |
| SBA | SideBand Addressing |
| SBC | SCSI (Small Computer System Interface) Bus Controller |
| SBC | Single Board Computer |
| SBR | SNES (Super Nintendo Entertainment System) Boot ROM (Read-Only Memory) |
| SBU | Static Build Unit |
| SC | Smart Card |