Serial Attached SCSI

E6171
computer hardware interface standard storage interface

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.

Jump to: Surface forms Statements Referenced by

Observed surface forms (2)

Surface form Occurrences
24G SAS 1
T11.3 Serial Attached SCSI standards 1

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 ⓘ

Referenced by (13)

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

SAS → abbreviationFor → Serial Attached SCSI ⓘ
SAS-4 → alsoKnownAs → Serial Attached SCSI ⓘ
this entity surface form: 24G SAS
SCSI → commandSetUsedBy → Serial Attached SCSI ⓘ
INCITS T10 committee → field → Serial Attached SCSI ⓘ
SAS → fullName → Serial Attached SCSI ⓘ
SCSI → influenced → Serial Attached SCSI ⓘ
SAS-1 → partOf → Serial Attached SCSI ⓘ
SAS-4 → partOf → Serial Attached SCSI ⓘ
SCSI → standardFamily → Serial Attached SCSI ⓘ
INCITS → standardizes → Serial Attached SCSI ⓘ
INCITS → standardizes → Serial Attached SCSI ⓘ
this entity surface form: T11.3 Serial Attached SCSI standards
INCITS T10 committee → standardizes → Serial Attached SCSI ⓘ
SFF-8482 → supportsProtocol → Serial Attached SCSI ⓘ