Intel raid controller srcsas144e User Manual

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Intel® RAID Controller SRCSAS144E Hardware Guide
Array Performance Features
Table 3 shows the RAID Controller SRCSAS144E array performance features.
Redundant 
Configuration
32 Kb NVRAM and config on disk (COD) store RAID configuration.
Enclosure 
Management
I
2
C out-of-band, SES2 in-band, SAF-TE (LEDs)
Table 2. Specifications
Specification
Intel
®
 RAID Controller SRCSAS144E
Table 3. Array Performance Features
Specification
Intel
®
 RAID Controller SRCSAS144E
PCI Express* Host 
Data Transfer Rate
2.5 Gigabit/s per lane
Drive Data Transfer 
Rate
3 Gigabit/s per lane
Maximum 
Scatter/Gathers
26 elements
Maximum Size of I/O 
Requests
6.4 Mbytes in 64 Kbyte stripes
Maximum Queue 
Tags per Drive
As many as the drive can accept
Stripe Sizes
8, 16, 32, 64, or 128 Kbyte
Maximum Number 
of Concurrent 
Commands
255
Support for Multiple 
Initiators
Yes
Flexibility
Drive migration, RAID level migration; drive roaming online capacity 
expansion, without reboot
Background Services
Rebuild, consistency check, initialization, migration, OCE, and patrol read
Cache Options
Write-back or write-through, read ahead, adaptive read ahead, non-read 
ahead, cache I/O or direct I/O