SAS Expander ICs
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In addition to a direct communication between a SAS controller and SAS/SATA devices, the Serial Attached SCSI (SAS) protocol allows the use of so-called SAS Expanders. Like switches of an Ethernet network, SAS expanders enable you to connect a larger number of devices (more SAS/SATA devices to a single SAS controller).[1]
LSI SAS Expander ICs
LSI offers the following SAS Expander chips:[2]
Expander IC | SAS version | Number of SAS ports |
supported SAS data rates |
supported SATA data rates |
---|---|---|---|---|
LSISASx12 | SAS 3Gb/s („SAS 1“) |
12 | 3 Gb/s | 1,5 Gb/s, 3 Gb/s |
LSISASx12A | 12 | |||
LSISASx28 | 28 | |||
LSISASx36 | 36 | |||
LSISAS2x24 | SAS 6Gb/s („SAS 2“) |
24 | 3 Gb/s, 6 Gb/s |
1,5 Gb/s, 3 Gb/s, 6 Gb/s |
LSISAS2x28 | 28 | |||
LSISAS2x36 | 36 |
References
- ↑ Serial attached SCSI - SAS Expanders (en.wikepedia.org)
- ↑ LSI Standard Product ICs (see section 'SAS Expander ICs')
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