5 benefits of the sas interface, 1 pci express architecture, Benefits of the sas interface – Avago Technologies MegaRAID SAS 8204ELP User Manual
Page 23: Pci express architecture, Section 1.5, “benefits of the sas interface
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Benefits of the SAS Interface
1-7
Copyright © 2005-2007 by LSI Logic Corporation. All rights reserved.
1.5
Benefits of the SAS Interface
SAS is a serial, point-to-point, enterprise-level device interface that
leverages the proven SCSI protocol set. SAS is a convergence of the
advantages of SATA II, SCSI, and Fibre Channel, and is the future
mainstay of the enterprise and high-end workstation storage markets.
SAS offers a higher bandwidth per pin than parallel SCSI, and it
improves signal and data integrity.
The SAS interface uses the proven SCSI command set to ensure reliable
data transfers, while providing the connectivity and flexibility of
point-to-point serial data transfers. The serial transmission of SCSI
commands eliminates clock-skew challenges. The SAS interface
provides improved performance, simplified cabling, smaller connectors,
lower pin count, and lower power requirements when compared to
parallel SCSI.
SAS controllers leverage a common electrical and physical connection
interface that is compatible with Serial ATA technology. The SAS and
SATA II protocols use a thin, 7-wire connector instead of the 68-wire
SCSI cable or 26-wire ATA cable. The SAS/SATA II connector and cable
are easier to manipulate, allow connections to smaller devices, and do
not inhibit airflow. The point-to-point SATA II architecture eliminates
inherent difficulties created by the legacy ATA master-slave architecture,
while maintaining compatibility with existing ATA firmware.
1.5.1
PCI Express Architecture
PCI Express is a local bus system designed to increase data transfers
without slowing down the central processing unit (CPU). You can install
MegaRAID PCI Express RAID controllers in PCI Express computer
systems with a standard bracket type. With these adapters in your
system, you can connect SCSI and SATA II devices over the bus.
PCI Express goes beyond the PCI specification in that it is intended as
a unifying I/O architecture for various systems: desktops, workstations,
mobile, server, communications, and embedded devices.
- MegaRAID SAS 8204ELP (Channel) MegaRAID SAS 8204XLP MegaRAID SAS 8204XLP (Channel) MegaRAID SAS 8208ELP MegaRAID SAS 8208ELP (Channel) MegaRAID SAS 8208XLP MegaRAID SAS 8208XLP (Channel) MegaRAID SAS 8300XLP MegaRAID SAS 8308ELP MegaRAID SAS 8344ELP MegaRAID SAS 84016E MegaRAID SAS 84016E (Channel) MegaRAID SAS 8408E MegaRAID SAS 8480E MegaRAID SAS 8704ELP (Channel) MegaRAID SAS 8704EM2 MegaRAID SAS 8704EM2 (Channel) MegaRAID SAS 8708ELP (Channel) MegaRAID SAS 8708EM2 MegaRAID SAS 8708EM2 (Channel)
- MGA-725M4
- MGA-71543
- MGA-71543
- MGA-82563
- 3ware SAS 9750-8i
- 3ware SAS 9750-8i
- 3ware 9690SA-8I (Channel)
- 3ware 9690SA-8I (Channel)
- 3ware SAS 9750-8i
- 3ware 9550SXU-8LP (Channel)
- 3ware 9550SXU-8LP (Channel)
- 3ware 9550SXU-8LP (Channel)
- 3ware 9550SXU-8LP (Channel)
- 3ware 9650SE-8LPML (Channel)
- 3ware 9690SA-8I (Channel)
- 3ware 9690SA-8I (Channel)
- 6160 SAS Switch
- MegaRAID SAS 9266-8i
- MegaRAID SAS 9380-8e
- MegaRAID SAS 9380-8e
- Cache Protection for RAID Controller Cards
- Cache Protection for RAID Controller Cards
- MegaRAID SAS 9266-8i
- MegaRAID SAS 9271-8iCC
- MegaRAID SAS 9361-8i
- MegaRAID SAS 9266-8i
- MegaRAID SAS 0260CV-4i
- MegaRAID SafeStore Software
- MegaRAID SafeStore Software
- MegaRAID SAS 9271-8iCC
- MegaRAID SAS 0260CV-4i
- MegaRAID SafeStore Software
- MegaRAID SafeStore Software
- MegaRAID SAS 9285-8ecv
- MegaRAID SafeStore Software
- MegaRAID SafeStore Software
- MegaRAID SAS 9271-8iCC
- MegaRAID SAS 9285-8ecv
- MegaRAID SAS 0260CV-4i
- MegaRAID SAS 0260CV-4i
- MegaRAID SAS 9271-8iCC
- MegaRAID SAS 9285-8ecv
- MegaRAID SAS 0260CV-4i
- MegaRAID SAS 9285-8ecv
- MegaRAID SAS 9285-8ecv
- MegaRAID SafeStore Software
- MegaRAID SAS 0260CV-4i
- MegaRAID SAS 0260CV-4i
- MegaRAID SAS 0260CV-4i
- MegaRAID SAS 0260CV-4i
- MegaRAID SAS 0260CV-4i
- MegaRAID SAS 0260CV-4i
- MegaRAID SAS 0260CV-4i
- MegaRAID SAS 0260CV-4i
- MegaRAID SAS 0260CV-4i
- MegaRAID SAS 0260CV-4i
- MegaRAID SAS 9271-8i
- MegaRAID SAS 9361-8i
- MegaRAID SAS 9341-8i
- MegaRAID SAS 9380-4i4e
- MegaRAID SAS 9380-8e
- MegaRAID SAS 0260CV-4i
- MegaRAID SAS 9240-8i
- MegaRAID SAS 9260-16i
- MegaRAID SAS 9280-24i4e
- MegaRAID SAS 9280-24i4e
- MegaRAID SAS 9260-8i
- MegaRAID SafeStore Software
- MegaRAID SAS 9280-8e
- MegaRAID SAS 9261-8i
- MegaRAID SAS 9285-8e
- MegaRAID SAS 9285-8e
- MegaRAID SAS 9285-8e
- MegaRAID SAS 9280-16i4e
- MegaRAID SAS 9280-4i4e
- MegaRAID SAS 9280-8e
- MegaRAID SAS 9285-8ecv
- MegaRAID SAS 9285-8ecv
- MegaRAID SAS 9285-8ecv
- MegaRAID SAS 9280-24i4e
- MegaRAID SAS 9285-8e
- MegaRAID SAS 8708EM2 (Channel)
- MegaRAID SAS 0260CV-4i
- MegaRAID SAS 8708EM2 (Channel)
- MegaRAID SAS 8408E
- MegaRAID SAS 8408E
- MegaRAID SAS 8408E
- MegaRAID SAS 8408E
- MegaRAID SATA 300-8XLP
- MegaRAID SATA 300-8XLP
- MegaRAID SAS 8480E
- MegaRAID SAS 8344ELP
- MegaRAID SAS 8408E
- MegaRAID SAS 8888ELP (Channel)
- MegaRAID SAS 8708ELP (Channel)
- MegaRAID SAS 8708EM2 (Channel)
- MegaRAID SAS 8880EM2 (Channel)
- MegaRAID SAS 8888ELP (Channel)
- MegaRAID SAS 8888ELP (Channel)
- MegaRAID SAS 0260CV-4i
- SAS 9200-8e Host Bus Adapter
- SAS 9200-8e Host Bus Adapter
- SAS 9217-8i Host Bus Adapter
- LSI SAS 9205-8e
- SAS 9201-16i Host Bus Adapter
- LSI SAS 9205-8e
- LSI SAS 9205-8e
- LSI SAS 9205-8e
- LSI SAS 9205-8e
- SAS 9201-16i Host Bus Adapter
- SAS 9207-8i Host Bus Adapter
- SAS 9211-8i Host Bus Adapter
- SAS 9211-4i Host Bus Adapter
- SAS 9211-8i Host Bus Adapter
- SAS 9211-8i Host Bus Adapter
- SAS 9212-4i4e Host Bus Adapter
- SAS 9212-4i4e Host Bus Adapter
- SAS 9206-16e Host Bus Adapter
- SAS 9206-16e Host Bus Adapter
- SAS 9207-8i Host Bus Adapter
- SAS 9207-4i4e Host Bus Adapter
- SAS 9207-8i Host Bus Adapter
- SAS 9207-8i Host Bus Adapter
- SAS 9207-8e Host Bus Adapter
- SAS 9207-8e Host Bus Adapter
- SAS 9300-16e Host Bus Adapter
- SAS 9300-16e Host Bus Adapter
- SAS 9300-16i Host Bus Adapter
- SAS 9300-16i Host Bus Adapter
- SAS 9311-8i Host Bus Adapter
- SAS 9311-4i4e Host Bus Adapter
- SAS 9300-4i Host Bus Adapter
- SAS 9311-8i Host Bus Adapter
- SAS 9311-4i4e Host Bus Adapter
- SAS 9311-4i4e Host Bus Adapter
- SAS 9300-4i4e Host Bus Adapter
- SAS 9300-8i Host Bus Adapter
- SAS 9300-8i Host Bus Adapter
- SAS 9300-8i Host Bus Adapter
- SAS 9311-4i4e Host Bus Adapter
- SAS 9311-8i Host Bus Adapter
- SAS 9311-8i Host Bus Adapter
- SAS 9300-8e Host Bus Adapter
- SAS 9300-8e Host Bus Adapter
- Syncro 9380-8e
- Syncro 9380-8e
- Syncro CS 9271-8i
- Syncro CS 9271-8i
- Syncro CS 9286-8e
- Syncro CS 9286-8e
- MegaRAID SCSI 320-4X (531)
- MegaRAID SATA 300-8X
- MegaRAID SCSI 320-4X (531)
- MegaRAID SATA 300-8XLP
- MegaRAID SAS 9267-8i
- MegaRAID SATA 150-4 (523)
- MegaRAID SATA 150-4 (523)
- MegaRAID SATA 300-4XLP
- MegaRAID SATA 300-8X
- MegaRAID SATA 300-8X
- MegaRAID SATA 300-8X
- MegaRAID SCSI 320-0 (520-0 CH)
- MegaRAID SCSI 320-0 (520-0 CH)
- MegaRAID SCSI 320-0 (520-0 CH)
- MegaRAID SCSI 320-2E (Channel)
- MegaRAID SCSI 320-0 (520-0 CH)
- MegaRAID SCSI 320-1LP (520-1 CH LP)
- MegaRAID SCSI 320-2 (518)
- MegaRAID SCSI 320-2 (518)
- MegaRAID SCSI 320-2X (532)
- MegaRAID SCSI 320-4X (531)
- MegaRAID SCSI 320-4X (531)
- MegaRAID SATA 150-6
- MegaRAID SCSI 320-0X (530)
- MegaRAID SCSI 320-0X (530)
- MegaRAID SCSI 320-2E (Channel)
- MegaRAID SCSI 320-2E (Channel)
- AcceleRAID 170
- AcceleRAID 170
- AcceleRAID 170
- AcceleRAID 352
- AcceleRAID 170
- AcceleRAID 170
- AcceleRAID 150
- eXtremeRAID 2000
- eXtremeRAID 2000
- LSI SAS 3801E (Channel)
- LSI SAS 3801E (Channel)
- LSI20160 (Channel)
- eXtremeRAID 3000
- eXtremeRAID 3000
- LSI SAS 3041X-R (Channel)
- LSI SAS 3801X (Channel)
- LSI SAS 3801E (Channel)
- LSI SAS 3801E (Channel)
- LSI SAS 3442E-R (Channel)
- LSI SAS 3442X-R (Channel)
- LSI SAS 3800X (Channel)
- LSI SAS 3800X (Channel)
- LSI SAS 31601E
- LSI SAS 9205-8e
- LSI53C1030
- LSI20320-R (Channel)
- LSIU320 (Channel)
- LSI53C1030
- LSI21320-R (Channel)
- LSIU320 (Channel)
- LSI22320SE (Channel)
- LSI22320SE (Channel)
- LSI22320SE (Channel)
- LSI22320SE (Channel)
- LSI53C1020A
- LSI53C1030
- LSI7402XP-LC
- LSI7102XP-LC (Channel)
- LSI7202XP-LC
- LSI7402EP-LC (Channel)
- LSI53C1010
- LSI21040
- LSI53C1000R
- LSI53C1000R
- LSI53C895A
- LSI53C875E
- LSI53C1010R
- LSI53C810AE
- LSI53C825AE
- LSI53C876E
- LSI53C895A
- LSI53C120
- LSI53C120
- LSI53C140
- LSI53C180
- LSI53C320
- ASMT-FJ10-ADH00
- PEX 8605
- ACNW261L-000E
- EVBD-ACPL-SPI
- HEDS-8969
- ACNT-H313-000E
- ACPL-337J-000E
- ACPL-339J-000E
- ACPL-790B-000E
- ACPL-C79B-000E
- EVBD-ACPL-C79A
- ACPL-C87B-000E
- ACPL-K342-000E
- EVBD-ACPL-P343
- ACPL-W349-000E
- ACPL-W346-000E
- HCPL-T251
- LSI53C896
- ACPL-7210-00RE
- ASSR-V622-002E
- AcceleRAID 160