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Low-profile SAS controller card with external ports

DELL

DELL 405-AAES 12Gb/s SAS RAID controller

SKU CH-SSRH-FYWA0 MPN 405-AAES

A 12 Gb/s SAS host bus adapter in a low-profile form factor for external storage connectivity

  • TypeSAS Controller
  • 12Gb/s SAS throughput for high-speed storage
  • Low-profile form factor fits compact server chassis
  • External controller design simplifies drive connectivity
  • Dell engineering ensures reliable operation
  • 405-AAES part number for easy identification

What the card is and who it fits

The Dell 405-AAES is a 12Gb/s SAS host bus adapter built for servers that need external storage connectivity. Its low-profile form factor suits dense chassis where full-height cards will not fit. It targets administrators adding JBODs or tape libraries to existing infrastructure.

Behaviour under sustained load

The adapter is rated for up to 1x better IOPS per watt, helping maintain throughput during prolonged virtualized or cloud workloads. Advanced management features reduce the time spent installing and monitoring the controller across large deployments.

Deciding specification

The single figure that determines fit is the 12Gb/s SAS interface; the card only speaks that protocol to external enclosures. Buyers who need a different host interface or internal port connectivity cannot use this part.

Highlights

  • 12Gb/s SAS throughput for high-speed storage
  • Low-profile form factor fits compact server chassis
  • External controller design simplifies drive connectivity
  • Dell engineering ensures reliable operation
  • 405-AAES part number for easy identification

Specifications

BrandDell
TypeSAS Controller

Questions about this item

How much power does the 405-AAES draw when it runs continuously?

The Dell 405-AAES is rated for up to 1x better IOPS per watt, so it keeps power draw low during all-day operation.

Which host interface does the 405-AAES need on the motherboard?

The 405-AAES plugs into a standard PCIe slot on the server board.

Will the 405-AAES work with my existing 6 Gb/s SAS drives?

Yes, the 12 Gb/s SAS controller auto-negotiates down to 6 Gb/s for older drives.

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