405‑AAHZ Specifications
Dell 12 Gb/s SAS Host Bus Adapter (HBA) – External Low‑Profile Controller
Manufacturer: Dell
Manufacturer Model: 405‑AAHZ
Product Line: Dell SAS Storage Controllers
Product Series: 12 Gb/s SAS External HBA
Product Type: Host Bus Adapter (Controller)
Product Name: Dell 12 Gb/s SAS External HBA (405‑AAHZ)
KEY FEATURES:
Interface Type: PCI Express x8
Data Transfer Rate: Up to 12 Gb/s SAS
Ports: External SAS ports (typically Mini‑SAS HD style external connections)
Protocol: SAS (Serial Attached SCSI)
RAID Support: None (non‑RAID / pass‑through HBA)
PERFORMANCE:
Maximum Data Transfer Rate: ~1.2 GB/s (12 Gb/s)
Host Interface: PCIe 3.0
Latency: Low direct pass‑through performance
ENVIRONMENTAL & RELIABILITY:
Designed for enterprise server‑to‑external storage connectivity
Reliability Rating: Enterprise‑class adapter for 24×7 operation
PHYSICAL:
Form Factor: Low‑profile PCIe expansion card
Typical Dimensions: Standard low‑profile card
Weight: Typical small PCIe card weight

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