Product guide

4
ATTO ExpressPCI Ultra320SCSI solutions
UL4S specific features
• One external high-density 68-pin connector and
one internal high-density 68-pin connector
• Dimensions
Length: 6.521”
Height: 4.200”
UL5D specific features
• Two external VHDCI and two internal high-
density connectors.
• Supports up to 30 SCSI bus IDs (15 per channel)
• Dimensions
Length: 7.5”
Height: 4.376”
• PCI Express (PCIe) bus management
• PCI Bus master rate 2-GB/sec.
• PCI-Express 1.0b compliant
• Power
• 1.61 typical/2.03 max. Amps @ +3.3 VDC
• 0.65 typical/1.46 Amps @ + 12.0 VDC
SCSI host adapter selection guide
Single Channel ExpressPCI Ultra 320 ExpressPCI Ultra 160
Max. transfer rate 320 MB/sec 160 MB/sec.
LVD
//
HVD
64-bit (PCI)
//
32-bit (PCI) //
33 MHZ (PCI) //
133 MHZ (PCI-X) /
Bus ID support 30 30
Part number EPCI-UL4S EPCI-UL3S
Dual Channel--
2 independent
channels
ExpressPCI Ultra 320 ExpressPCI Ultra 320 ExpressPCI Ultra 160
Max. transfer rate 640 MB/sec 640 MB/sec 320 MB/sec.
LVD
///
64-bit (PCI) //
32-bit (PCI) //
33 MHZ (PCI) //
133 MHZ (PCI-X) /
Bus ID support 30 30 30
x4PCIe
/
Part number EPCI-UL5D EPCI-UL4D EPCI-UL3D