SAS-1
E38929
SAS-1 is the first generation of the Serial Attached SCSI (SAS) interface standard used for high-speed data transfer between storage devices and host systems.
Aliases (1)
- SAS-2 ×1
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Serial Attached SCSI standard
→
computer hardware interface standard → |
| alsoKnownAs |
SAS 1.0
→
first-generation SAS → |
| backwardCompatibleWith |
SCSI command set
→
|
| compatibleWith |
SATA-2 devices (via SAS backplane/ports)
→
|
| connectorType |
SFF-8470 (external multi-lane)
→
SFF-8482 (drive-side SAS connector) → SFF-8484 (internal multi-lane) → |
| dataTransferRate |
3 Gbit/s per lane
→
|
| defines |
link layer for SAS communication
→
physical layer for SAS links → transport layer for SAS protocols → |
| enables |
higher device counts than Parallel SCSI
→
hot-swappable storage devices → |
| follows |
Parallel SCSI
→
|
| improvesOn |
cable length compared to Parallel SCSI
→
scalability compared to Parallel SCSI → signal integrity compared to Parallel SCSI → |
| maxLinkRate |
3 Gbit/s
→
|
| partOf |
Serial Attached SCSI
→
|
| standardizedBy |
INCITS T10 committee
→
|
| successor |
SAS-2
→
|
| supports |
SAS hard disk drives
→
SAS solid-state drives → SATA device interoperability → SCSI command set over serial links → dual-ported drives → expander-based topologies → full-duplex communication → multiple initiators → multiple targets → point-to-point connections → redundant paths to storage → zoned addressing via expanders → |
| targetDomain |
enterprise-class storage
→
high-performance disk subsystems → |
| topology |
direct-attached storage
→
expander-based storage networks → |
| transportProtocol |
SATA Tunneling Protocol (STP)
→
Serial Management Protocol (SMP) → Serial SCSI Protocol (SSP) → |
| usedFor |
high-speed data transfer between storage devices and host systems
→
|
| usedIn |
enterprise storage systems
→
servers → workstations → |
| uses |
differential signaling
→
serial signaling → |
Referenced by (5)
| Subject (surface form when different) | Predicate |
|---|---|
|
SAS-3
→
SAS-4 → |
backwardCompatibleWith |
|
Serial Attached SCSI
→
Serial Attached SCSI ("SAS-2") → |
generation |
|
SAS
→
|
hasVersion |