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Dell PERC 4/SC Single Channel U320 LVD SCSI RAID Controller, 64MB Cache J4588 / C4372 / 1U295 PCI-X – New Pull
The PERC 4 RAID controller is a high-performance, intelligent Peripheral Component Interconnect (PCI) and PCI-Express (PCIe) to 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.
| Weight | 0.907 kg |
|---|
| Specifications | PERC 4/SC | PERC 4/DC | PERC 4e/DC |
|---|---|---|---|
| RAID levels | 0, 1, 5, 10, and 50 | 0, 1, 5, 10, and 50 | 0, 1, 5, 10, and 50 |
| SCSI channels | 1 | 2 | 2 |
| Array interface to host | PCI Rev 2.2 | PCI Rev 2.2 | PCI Express Rev. 1.0a |
| Storage interface | SCSI U320 | SCSI U320 | SCSI U320 |
| Cache memory size | 64 MB SDRAM | 128 MB SDRAM | 128 MB DDR SDRAM |
| Cache function | Write-back, write-through, adaptive read-ahead, non read-ahead, read-ahead | Write-back, write-through, adaptive read-ahead, non read-ahead, read-ahead | Write-back, write-through, adaptive read-ahead, non read-ahead, read-ahead |
| Cache battery backup | No | Yes | Yes |
| Number of logical drives and arrays supported | Up to 40 logical drives and 32 arrays per controller | Up to 40 logical drives and 32 arrays per controller | 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) | 2 TB for all RAID levels (0, 1, 5, 10, and 50) | 2 TB for all RAID levels (0, 1, 5, 10, and 50) |
| Online capacity expansion | Yes | Yes | Yes |
| Hot spares | Yes | Yes | Yes |
| Flashable firmware | Yes | Yes | Yes |
| Hot swap devices supported1 | Yes | Yes | Yes |
| Non-disk devices supported
NOTE: PERC 4 does not support any non-disk devices except backplanes. |
Only SAF-TE2
and SES3 |
Only SAF-TE | Only SAF-TE |
| Mixed capacity hard drives | Yes | Yes | Yes |
| Number of 16-bit internal connectors | 1 | 2 | 2 |
| Number of 16-bit external connectors | 1 | 2 | 2 |
| Cluster support | No | Yes | Yes |
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