
Appendix D SAS adapter selection guide
| Product Features | ATTO ExpressSAS RAID Adapters | ||
| 
 | 
 | ||
| R348 | R380 | ||
| Max.transfer rate1 (full duplex) | |||
| 4 GB/sec. | 4 GB/sec. | ||
| x8 PCI Express | • | • | |
| Number of ports | 8 | 8 | |
| Port configuration external/internal | 4/8 | 8/0 | |
| 
 | user selectable 4/4 or 0/8 | 
 | |
| 
 | 
 | 
 | |
| Connector type | 1 mini SAS (x4)  | 2 mini SAS (x4)  | |
| 
 | 2 mini SAS (x4)  | 
 | |
| 
 | 
 | 
 | |
| Number of devices supported | 64 SAS/SATA targets | 64 SAS/SATA targets | |
| 
 | 128 virtual devices | 128 virtual devices | |
| 1.5 Gb SATA support | • | • | |
| 3 Gb SATA II support | • | • | |
| 3 Gb SAS support | • | • | |
| Cable distances | up to 8m | up to 8m | |
| Integrated RAID | 0, 1, 4, 5, 62, 10, 50, 602, JBOD, | 0, 1, 4, 5, 62, 10, 50, 602, JBOD, | |
| 
 | DVRAID | DVRAID | |
| 
 | 
 | 
 | |
| RAID Management Utility | • | • | |
| Global Hot Spares | • | • | |
| Event notification | |||
| Memory (ECC) | 258 MB standard | 258 MB standard | |
| 
 | 512 upgradeable (OEM) | 512 upgradeable (OEM) | |
| 
 | 
 | 
 | |
| Advanced Data Streaming™ | • | • | |
| Battery backup | optional | optional | |
| • | • | ||
| • | • | ||
| Windows 2000/CP, Server | • | • | |
| 2003/Vista support | 
 | 
 | |
| Linux (Red Hat, SUSE) support | • | • | |
| Mac OS X support | • | • | |
| RoHS compliant | • | • | |
| Low profile | • | • | |
1Performance ceiling constrained by PCIe bus transfer speed
2Future support
v ATTO Technology Inc. Celerity FC Host Adapters Installation and Operation Manual