811216-B21 HP 12Gb DL380 Gen9 PCIe SAS Card at discount

811216‑B21 Specifications

HPE Smart Array SAS Expander / 2nd Expander Kit (12 Gb/s)

Manufacturer: Hewlett‑Packard Enterprise (HPE)
Manufacturer Model: 811216‑B21
Product Line: HPE Smart Array / SAS Expander
Product Series: ML350 Gen9 2nd Expander Kit
Product Type: SAS Expander Card / Storage Controller Upgrade Card
Product Name: HPE 12 Gb/s SAS Expander Card (ML350 Gen9)

KEY FEATURES:
Device Type: SAS Expander / Storage Controller Upgrade Card
Form Factor: Plug‑in PCI Express card
Bus Interface: PCI Express 3.0 x8
Connectivity Technology: SAS 12 Gb/s and SATA 6 Gb/s
Ports / Channels: Supports up to ~26 channels via expander links
Internal SAS Ports: Typically 9× SAS connections for backplane / drive connectivity

PERFORMANCE:
Maximum Data Transfer Rate: Up to 12 Gb/s per SAS link
Scalability: Enables connection to additional SAS/SATA drives beyond base controller limits
Designed For: Enterprise server storage expansion and increased internal disk count capacity

ENVIRONMENTAL & RELIABILITY:
Enterprise‑grade design for 24×7 server operation
Hot‑Swap Support: Supports drive and expander environments where controller/backplane allow hot‑swap

PHYSICAL:
Form Factor: Internal plug‑in expansion card
Typical Dimensions: Approx. 4.4″ × 0.6″ × 6.6″ (H×W×D)
Weight: ~0.9 lb (~32 oz)

COMPATIBILITY:
Designed For: HPE ProLiant ML350 Gen9 servers
Additional Compatibility: Also works with other Gen9‑era ProLiant systems that support SAS expander upgrade cards (e.g., DL/ML servers with appropriate backplanes/expansion slots)

APPLICATION:
Used to expand internal SAS/SATA drive support beyond what the base controller provides, increasing drive counts and enabling large storage arrays inside compatible servers