
4
ATTO ExpressPCI Ultra320 SCSI solutions
• 64-bit/133 Mhz PCI-X (backward compatible
with standard PCI)
• Power
• 0.75 typical/2.0 max. Amps @ + 5.0 /VDC
• 0.05 Amps @ + 12.0 VDC
UL4D Host Adapter specific features
• Two external VHDCI and two internal high-
density 68-pin connectors
• Supports up to 30 SCSI bus IDs (15 per channel)
• Dimensions
• Length: 6.521”
• Height: 4.450”
UL4S Host Adapter 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, UL5D LP Host Adapter specific
features
• Supports up to 30 SCSI bus IDs (15 per channel)
• PCI Express (PCIe) bus management
• PCI Bus master rate 2-GB/sec.
• PCI Express 1.0b compliant
UL5D Host Adapter specific features
• Two external VHDCI and two internal high-
density connectors.
• Dimensions
• Length: 7.5”
• Height: 4.376 “
• Power
• 1.61 typical/2.03 max. Amps @ +3.3 VDC
• 0.65 typical/1.46 Amps @ + 12.0 VDC
UL5D LP Host Adapter specific features
• Dual stacked external VHDCI connectors.
• Dimensions
• Length: 6.6”
• Height: 2.713”
• Power
• 0.55 typical/0.9 max. Amps @ +3.3 VDC
• 0.56 typical/0.59 max. Amps @ + 12.0 VDC
• Low-profile bracket available
SCSI host adapter selection guide
Single Channel Dual Channel-- 2 independent channels
ExpressPCI Ultra 320 ExpressPCI Ultra 320 ExpressPCI Ultra 320
Max. transfer rate 320 MB/sec 640 MB/sec 640 MB/sec
LVD
•••
64-bit (PCI)
••
32-bit (PCI)
••
33 MHZ (PCI)
••
133 MHZ (PCI-X)
••
x4 PCIe
•
Bus ID support 30 30 30
Part number EPCI-UL4S EPCI-UL5D EPCI-UL5D LP EPCI-UL4D
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