Avago Technologies 3ware SAS 9750-16i4e - Manual (Page 15)

System Requirements
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• Connectivity with up to 127 single-ported drives or 62 dual-ported
drives when using cascaded chassis that use expanders of the same
type. (see “Enclosure Management Requirements” on page 4)
• Up to 32 drives in a unit
• Up to 32 active units
• Operating system support for Windows, Linux, FreeBSD, Mac OS X,
OpenSolaris, and VMware.
System Requirements
This section describes the requirements for the 3ware 9750 model RAID
controllers:
Motherboard and Slot Requirements
The 3ware 9750 RAID controller uses workstation-class or server-class
motherboards, with an available PCI Express x8 or x16 slot that complies
with PCIe Gen 2.0 (recommended for best performance) or PCIe 1.1.
A list of motherboards that have been tested is available at
http://www.lsi.com/channel/support/marketing_resources , through the Data &
Interoperability tab.
Drive Requirements
The 3ware 9750 RAID controller may be connected to up to 62 SAS and/or
SATA dual-ported drives, or 127 SAS and/or SATA single-ported drives,
when using one or more enclosures. A maximum of 32 drives are allowed per
RAID unit and up to 32 active RAID units per controller.
3ware 9750 RAID controller is designed for use with drive capacities up to
2 TB and over.
You cannot mix SAS and SATA drives in the same unit.
A mix of 3 Gbps and 6 Gbps hard drives are allowed.
Drives and drive enclosures must meet SAS or SATA (3.0 Gbps and
6.0 Gbps) standards.
A list of drives that have been tested is available at
http://www.lsi.com/channel/support/marketing_resources , through the Data &
Interoperability tab.
Drives may be of any capacity or physical form factor.
The length of internal unshielded interface cables may not exceed 1 meter
(39 inches).
The length of external cables for SAS 1.1 at 3 Gpbs supports lengths of up to
8 meters and for SAS 2.0 at 6 Gpbs supports external cable length to
10 meters.