Table 1.2 | MegaRAID 6Gb/s SAS RAID Controller Features (Cont.) |
| | |
| | MegaRAID SAS 9240-4i, SAS 9240-8i, SAS 9260-4i, |
| | SAS 9260-8i, SAS 9260-8e, SAS 9260DE-8i, SAS |
| | 9280-4i/4e, SAS 9280-8e, and SAS 9280DE-8e RAID |
Specification | | Controllers |
| |
Cache function | Write-back, write-through, adaptive read ahead, |
| | non-read ahead, read ahead, cache I/O, direct I/O |
| |
Multiple virtual drives | Up to 64 (this value is dependent on the firmware) |
per controller | | |
| |
Online capacity | Yes |
expansion | | |
| |
Dedicated and global | Yes |
hot spares | | |
| |
Hot-swap devices | Yes |
supported | | |
| |
Non-drive devices | Yes |
supported | | |
| |
Mixed capacity drives | Yes |
supported | | |
| |
Number of external | • MegaRAID SAS 9280-4i/4e RAID controller – One |
connectors | | SFF-8088 x4 external mini SAS connector |
| | • MegaRAID SAS 9280-8e RAID controller – Two SFF- |
| | 8088 x4 external mini SAS connectors |
| | • MegaRAID SAS 9280DE-8e RAID controller – Two |
| | SFF-8088 x4 external mini SAS connectors |
| |
Number of internal | • MegaRAID SAS 9240-4i RAID controller – One |
connectors | | SFF-8087 x4 internal mini SAS connector |
| | • MegaRAID SAS 9240-8i RAID controller – Two |
| | SFF-8087 x4 internal mini SAS connectors |
| | • MegaRAID SAS 9260-4i RAID controller – One |
| | SFF-8087 x4 internal mini SAS connector |
| | • MegaRAID SAS 9260-8i RAID controller – Two |
| | SFF-8087 x4 internal mini SAS connectors |
| | • MegaRAID SAS 9260DE-8i RAID controller – Two |
| | SFF-8087 x4 internal mini SAS connectors |
| | • MegaRAID SAS 9261-8i RAID controller – Two |
| | SFF-8087 mini-SAS 4i connectors |
| | • MegaRAID SAS 9280-4i/4e RAID controller – One |
| | SFF-8087 x4 internal mini SAS connector |
| |
Hardware exclusive | Yes |
OR (XOR) assistance | |
| | |
Direct I/O | | Yes |
| | |
Architecture | | Fusion-MPT |
| | |