Description
The A34812-ITX is a 48-lanes 12Gb/s SAS/SATA expander in a mini-ITX form factor. This complete subsystem incorporates everything system vendors need to add next-generation storage support for JBOD and RBOD systems that need to support SAS and SATA target disks. Each SAS lane can connect to a disk, a host bus adapter (HBA) or cascade to another expander device. When configured for cascaded connections, the A34812-ITX allows a single SAS RAID or HBA card to drive hundreds of target disks. With support for LSI DataBolt(tm), the A34812-ITX expander board helps to maximize bandwidth utilization between legacy 3Gbps and 6Gbps media, and 12Gbps SAS hosts. For additional performance, lanes can be aggregated into a ‘wide’ ports connecting an host to the A34812-ITX, and cascaded to additional expanders. The A34812-ITX includes a number of enclosure management features that allow system vendors to monitor temperatures, sensors and VPD information as well as control PWM fans for optimal noise management.
| Host Bus Type | n/a | |
| Compliance | ANSI T10 SAS specification 3.0 | |
| Modes | Standalone fabric switch, Storage Enclosures | |
| Supply Voltage | 12V +/- 10% | |
| Supply Power | 30 Watts | |
| SAS Bus | Fourty-eight 12Gb/s SAS/SATA ports | |
| SAS Bandwidths |
3.0Gb/s (SAS1.0/SATA-II) Single lane – 300 MB/s 6.0Gb/s (SAS-2.0/SATA-III) Single lane – 600 MB/s 12.0Gb/s (SAS-3.0) Single lane – 1200 MB/s |
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| Connectors | External | Internal |
| A34812-ITX-02 | 16 lanes routed through four SFF-8644 miniSAS HD connectors. | 32 lanes routed through eight SFF-8643 miniSAS HD connectors. |
| Form Factor | Mini-ITX, 140mm x 140mm | |
| Protocols | SAS-3, SAS-2, SES-2, SAS, SATA II, SATA III | |
| Device Support | Effectively unlimited (limited by HBA controller) | |
| Agency Approval | RoHS Compliant (lead-free) | |
|
Environments Temperature Relative Humidity |
Operating 0° to 55° C 5 to 90% non-condensing |
Storage -40° to +85° C 5 to 90% non-condensing |
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