HPE 804398-B21 Smart Array Controller (MPN 620811)

What It Is

The HPE 804398-B21 is a Smart Array E208e-p SR Gen10 RAID controller designed for HPE ProLiant Gen10 server platforms. This entry-level PCIe 3.0 x8 controller provides hardware RAID support for internal SAS/SATA storage without cache memory. It is a spare part replacement unit categorized under controller components.

Technical Details

• Form Factor: PCI-Express x8, PCIe 3.0 interface
• Ports: 2 external mini-SAS connectors (SAS/SATA)
• Data Transfer Rate: 12 Gb/s SAS
• RAID Levels: 0, 1, 5, 10
• Cache: No cache (SR variant)
• Brackets: Supports both HP and low-profile (LP) mounting brackets
• Color: Multi-color

Configuration & Options

• Compatible with HPE ProLiant DL360 Gen10, DL380 Gen10, DL560 Gen10, DL580 Gen10, ML110 Gen10, ML350 Gen10, XL170r Gen10, XL190r Gen10, XL230K Gen10 servers
• Includes standard HPE Smart Array E208e-p SR controller board
• Ships with HP bracket and LP bracket for flexible chassis installation
• External mini-SAS cabling required for connection to external storage enclosures (not included)
• No cache module or battery backup unit included with this model

Operating Conditions

This controller is intended for deployment in HPE ProLiant Gen10 rack, tower, and modular server environments requiring basic hardware RAID protection. It is suited for configurations where external SAS connectivity is needed for direct-attached storage, and where cacheless operation is acceptable. Typical use cases include entry-level virtualization hosts, file servers, and general-purpose enterprise workloads in standard data center or server room conditions.