Product Overview
The PERC 4 RAID controller is a high-performance, intelligent Peripheral Component Interconnect (PCI) Small Computer System Interface (SCSI) host adapter with RAID control capabilities. It provides reliable fault-tolerant disk subsystem management and is an ideal RAID solution with Dell PowerEdge systems. The RAID controller offers a cost-effective way to implement RAID in a server.
Dell Part Number: 1U295, 01U295
Alternate Part Number(s): C4372, J4588
Possible Applications
Use to connect Dell PowerVault 220S/221S external Direct-Attached Storage Arrays to Dell PowerEdge Servers with a PCI-X riser slot.
Specifications
RAID levels 0, 1, 5, 10, and 50
SCSI channels 1
Array interface to host PCI-X Rev 2.2
Storage interface SCSI U320
Cache memory size 64 MB SDRAM
Cache function Write-back, write-through, adaptive read-ahead, non read-ahead, read-ahead
Cache battery backup No
Number of logical drives and arrays supported Up to 40 logical drives and 32 arrays per controller
Maximum logical drive size supported 2 TB for all RAID levels (0, 1, 5, 10, and 50)
Online capacity expansion Yes
Hot spares Yes
Flashable firmware Yes
Hot swap devices supported1 Yes
Non-disk devices supported NOTE: PERC 4 does not support any non-disk devices except backplanes. Only SAF-TE2 and SES3
Mixed capacity hard drives Yes
Number of 16-bit internal connectors 1
Number of 16-bit external connectors 1
Cluster support No