Avago Technologies MegaRAID SAS 9240-4i - Manual (Page 18)

LSI Corporation
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6Gb/s MegaRAID SAS RAID Controllers User Guide
August 2013
Overview
Hardware Specifications
Bus  PCIe 2.0 (for LSISAS2108-based controllers)
 PCIe 3.0 (for LSISAS2208-based controllers)
Cache function Write-back, write-through, non-read-ahead, read-ahead, cache I/O, direct I/O
NOTE The MegaRAID SAS 9240-4i RAID controller and the MegaRAID SAS 9240-8i RAID
controller do not support write-back mode.
Multiple virtual drives per controller Up to 64 (this value is dependent on the firmware)
Online capacity expansion Yes
Dedicated and global hot spares Yes
Hot-swap devices supported Yes
Non-drive devices supported Yes
Mixed-capacity drives supported Yes
Number of external connectors  MegaRAID SAS 9280-4i4e RAID controller – One 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
 MegaRAID SAS 9280-16i4e RAID controller – One SFF-8088 x4 external mini SAS connector
 MegaRAID SAS 9280-24i4e RAID controller – One SFF-8088 x4 external mini SAS connector
 MegaRAID SAS 9285-8e RAID controller – Two SFF-8088 x4 external mini SAS connectors
 MegaRAID SAS 9285CV-8e RAID controller – Two SFF-8088 x4 external mini SAS connectors
 MegaRAID SAS 9286-8e RAID controller – Two SFF-8088 x4 external mini SAS connectors
 MegaRAID SAS 9286CV-8e RAID controller – Two SFF-8088 x4 mini external SAS connectors
 MegaRAID SAS 9286CV-8eCC RAID controller – Two SFF-8088 x4 mini external SAS
connectors
Number of internal connectors  MegaRAID SAS 9240-4i RAID controller – One 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 9260-16i RAID controller – Four SFF-8087 x4 internal mini SAS connectors
 MegaRAID SAS 9260CV-4i RAID controller – One SFF-8087 x4 internal mini SAS connector
 MegaRAID SAS 9260CV-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 9265-8i RAID controller – Two SFF-8087 internal mini SAS 4i connectors
 MegaRAID SAS 9265CV-8i RAID controller – Two SFF-8087 internal mini SAS 4i connectors
 MegaRAID SAS 9266-4i RAID controller – One SFF-8087 internal mini SAS 4i connector
 MegaRAID SAS 9266-8i RAID controller – Two SFF-8087 internal mini SAS 4i connectors
 MegaRAID SAS 9270-8i RAID controller – Two SFF-8087 mini-SAS 4i internal connectors
 MegaRAID SAS 9271-4i RAID controller – One SFF-8087 mini-SAS 4i internal connector
 MegaRAID SAS 9271-8i RAID controller – Two SFF-8087 mini-SAS 4i internal connectors
 MegaRAID SAS 9271-8iCC RAID controller – Two SFF-8087 mini-SAS 4i internal connectors
 MegaRAID SAS 9280-4i4e RAID controller – One SFF-8087 x4 internal mini SAS connector
 MegaRAID SAS 9280-16i4e RAID controller – Four SFF-8087 x4 internal mini SAS connectors
 MegaRAID SAS 9280-24i4e RAID controller – Six SFF-8087 x4 internal mini SAS connectors
Table 2 6Gb/s MegaRAID SATA+SAS RAID Controller Features (Continued)
Specification
MegaRAID SAS 9240, SAS 9260, SAS 9261, SAS 9265, SAS 9266, SAS 9270, SAS 9271,
SAS 9280, SAS 9285, and SAS 9286 RAID Controllers