405-AAWW Dell HBA345 16 Channel PCIe 3.0 x8 Storage Controller
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405-AAWW
High-Performance PCIe Gen3 x8 SAS/SATA Host Bus Adapter for Internal Drive Connectivity with the 405-AAWW
The 405-AAWW is a Dell HBA345 based on the LSI LSISAS3416, designed to provide deterministic internal SAS/SATA connectivity for rack server storage backplanes and direct-attach expansion. By focusing on host-bus pass-through, 405-AAWW enables operating system or software-defined storage layers to manage disks directly while preserving predictable latency and queue behavior under mixed read/write conditions.
Architected for PCIe 3.0 x8 platforms, 405-AAWW integrates cleanly into mainstream enterprise server generations where balanced I/O bandwidth and slot efficiency are critical. The adapter exposes 16 internal SAS/SATA channels, supporting SAS 12Gb/s and SATA 6Gb/s drive interconnects for HDD and SSD populations across JBOD or hybrid tiers. S.M.A.R.T. telemetry support improves fleet observability, while the controller capability for RAID can be leveraged where firmware policy requires it, without compromising HBA-oriented deployment patterns.
Why Choose the 405-AAWW?
The 405-AAWW is optimized for density-to-performance alignment in servers that need broad internal drive fan-out without adding RAID abstraction or cache dependencies. It supports scalable storage growth through backplane and expander topologies, maintains enterprise reliability through straightforward PCIe integration, and fits deployments where consistent disk visibility, rapid serviceability, and predictable behavior across nodes are mandatory for standardization.
Dell engineers the 405-AAWW to meet data centre expectations for compatibility, lifecycle stability, and operational consistency. The design approach emphasizes validated firmware baselines, controlled interoperability with Dell server platforms, and dependable device monitoring paths suited to automated provisioning and compliance-driven environments.
Key Applications:
- Internal SAS/SATA drive connectivity for rack servers
- JBOD pass-through for software-defined storage
- Direct-attached storage expansion for HBA/RAID backplanes
- Compute nodes requiring predictable block-device visibility
At Happyware - Server Hardware you benefit from non-binding offers tailored precisely to your rollout and bill-of-material requirements, enabling fast alignment with your platform standards for the 405-AAWW. For larger deployments, bulk order discount options support efficient procurement across clustered or multi-rack builds.
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