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 The Astek A3803-PMC doubles the performance of dual channel Ultra320 SCSI HBAs with aggregate I/O port bandwidth of 2.4GBytes/s and full duplex capability. These adapters are ideal for data centers and leverage the existing SCSI software infrastructure for investment protection and ease of migration. The serial interface allows point-to-point connections offering higher performance, increased aggregate bandwidth, higher availability with dual ported drives, and enhanced reliability compared to parallel SCSI.  The A3803-PMC supports 3Gbps and 1.5 Gbps SAS and SATA hard disk drives. With the use of SAS Expanders a single A3803-PMC card can connect to hundreds of target disks and mutliple TerraBytes of storage capacity.


Host Bus Type 64-bit/133MHz PCI-X, backward compatible to PCI
Compliance PCI 2.2, PCI-X 1.0a, PCI-X 2.0 mode 1, IEEE 1386.1, VITA-39
Data Transfer

132MB/s (PCI 32-bit bus @33MHz)

264MB/s (PCI 64-bit bus@33MHz)

528MB/s (PCI 64-bit bus @66MHz)

800MB/s (PCI-X 64-bit bus @100MHz)

1056MB/s (PCI-X 64-bit bus @133MHz)

Modes Bus master DMA
PCI Voltage +3.3V +/- 5%
PCI Power 7.5 Watts excluding transceivers
SAS Bus Eight 3Gbps SAS/SATA ports
SAS Bandwidths Single lane – 300 MBps
Wide Port (2 lanes) – 600 MBps
Wide Port (4 lanes) – 1200 MBps
Single SAS Lane – 600 MBps
Wide Port (2 lanes) –1200 MBps
Wide Port (4 lanes) – 2400 MBps
Connectors External Internal
A3803-PMC-(01/05/51) Two- x4 SFF-8470 none
A3803-PMC-02 none x8 lanes routed to P4
A3803-PMC-03 One – x4 SFF-8470 x4 lanes routed to P4
Form Factor 5.87” x 2.91”, 150 mm x 75 mm PMC Mezzanine Card
Protocols SCSI, IP
Device Support Thousands of SAS WWIDs, more than 256 target disks with SAS fan-out expanders
Agency Approval CE, Canada, FCC class A, UL Registered
Environments Operating Storage
Temperature 0° to 55° C -40° to +85° C
Relative Humidity 5 to 90% non-condensing 5 to 90% non-condensing