Serial Attached SCSI

E6171

Serial Attached SCSI is a high-speed, point-to-point serial interface standard used primarily in enterprise storage systems to connect servers with hard drives and solid-state drives, offering improved performance, scalability, and reliability over parallel SCSI.

All labels observed (6)

How this entity was disambiguated

Statements (50)

Predicate Object
instanceOf computer hardware interface standard
storage interface
abbreviation SAS
advantageOverParallelSCSI better scalability
higher performance
improved signal integrity
longer cable lengths
reduced crosstalk
basedOn SCSI
surface form: SCSI protocol
comparedTo SCSI
surface form: Parallel SCSI
designedFor high availability environments
mission-critical storage
generation SAS-1
SAS-1
surface form: SAS-2

SAS-3
SAS-4
governingBody INCITS T10 committee
introduced early 2000s
logicalProtocol SCSI command set
replaces SCSI
surface form: Parallel SCSI
standardizedBy ANSI
INCITS
supports hard disk drives
large device counts via expanders
solid-state drives
supportsDataRatesUpTo 12 Gbit/s (SAS-3)
24 Gbit/s (SAS-4)
3 Gbit/s (SAS-1)
6 Gbit/s (SAS-2)
supportsDeviceType SAS hard drives
SAS solid-state drives
SATA hard drives
SATA solid-state drives
supportsFeature backward compatibility with SATA devices
error detection and correction
full-duplex communication
hot swapping
multipathing
supportsTopology dual-ported devices
expander-based topologies
topology point-to-point
typicalUse enterprise storage systems
server-to-storage connectivity
usesCommunicationType serial
usesConnectorType SFF-8087
SFF-8088
SFF-8482
SFF-8643
SFF-8644
usesPhysicalLayerSimilarTo Serial ATA

How these facts were elicited

Referenced by (20)

Full triples — surface form annotated when it differs from this entity's canonical label.

SCSI standardFamily Serial Attached SCSI
SCSI influenced Serial Attached SCSI
SCSI commandSetUsedBy Serial Attached SCSI
SAS fullName Serial Attached SCSI
SAS abbreviationFor Serial Attached SCSI
SFF-8482 supportsProtocol Serial Attached SCSI
INCITS T10 committee field Serial Attached SCSI
INCITS T10 committee standardizes Serial Attached SCSI
INCITS standardizes Serial Attached SCSI
INCITS standardizes Serial Attached SCSI
this entity surface form: T11.3 Serial Attached SCSI standards
SAS-1 partOf Serial Attached SCSI
SAS-4 partOf Serial Attached SCSI
SAS-4 alsoKnownAs Serial Attached SCSI
this entity surface form: 24G SAS
SFF-8644 usedFor Serial Attached SCSI
T10 worksOnStandard Serial Attached SCSI
this entity surface form: Serial Attached SCSI (SAS)
Serial SCSI Protocol (SSP) usedIn Serial Attached SCSI
subject surface form: Serial SCSI Protocol
Serial Management Protocol (SMP) partOf Serial Attached SCSI
subject surface form: Serial Management Protocol
this entity surface form: Serial Attached SCSI protocol suite
SAS SSDs usesInterface Serial Attached SCSI
SFF-8087 alsoKnownAs Serial Attached SCSI
this entity surface form: Mini-SAS
SFF-8087 interfaceFamily Serial Attached SCSI