Port multipliers are devices that allow a single Serial ATA port to communicate
with multiple drives. The port multiplier is transparent to the drives, but the host is
aware that it is communicating with multiple drives. Port multipliers typically
A Serial ATA port multiplier (SATA PM) is a device that allows multiple SATA
devices to be connected to a single SATA host port. Many common controllers do
not support this feature, as it is not a requirement for a SATA controller.
To ensure maximum performance the SATA port multiplier supports SATA III host
controllers and hard drives, with transfer speeds up to 6 Gbps, so you can
experience fast performance, even with 5 individual drives connected. For a
People look to SAS expanders and SATA port multipliers for convenient
expansion, but in many cases they are not competing technologies. Port
multipliers are mainly used for bulk storage when cost is the dominant
The 1-to-5 SATA drive port multiplier lets you connect five individual SATA hard
drives to a single SATA host controller, vastly increasing the storage capacity of
your computer system. Optimizes port usage enabling you to connect up to five ...
According to this article on tom's hardware: The spec allows a maximum of 15
devices per SATA connection; The SATA controller and the port multiplier have to
play nice together, which is not a given and usually works only with dedicated ...
The SATA port multiplier (PM) can be used to expand the drive scalability of
storage systems cost-effectively. However, there has been little work studying the
reliability of the SATA PMs. As stor- age systems reach the petabytes and
exabytes era ...
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The answer lies in using a port multiplier. A SATA port multiplier changes the
point-to-point relationship between the SATA Host and the disk drive by providing
functionality for multiple drives to be connected to a single Host port, as shown in