Microchip Adaptec 82885T SAS Expander Card - 12Gb/s, 40 Ports, PCIe 3.0 x8

The Microchip Adaptec 82885T is a high-performance SAS expander card designed to scale storage capacity in enterprise environments. With support for SAS 3.0 (12Gb/s) and PCIe 3.0 x8 interface, it provides seamless connectivity for up to 240 SAS or SATA devices through cascading. Ideal for data centers and server rooms, this low-profile MD2 card offers 36 internal ports via 9 SFF-8643 connectors and 4 external ports via 1 SFF-8644 connector, enabling flexible storage expansion.

Advantages

High-speed 12Gb/s per port ensures fast data transfers. Supports cascading for large-scale deployments. Compatible with Adaptec Series 7/8/8Q/8E/8H/8Z RAID adapters and HBAs. Low power consumption of 16.5W typical. RoHS compliant.

Suitable for

• Enterprise storage expansion
• Data centers requiring high-density SAS connectivity
• Server environments with Adaptec RAID/HBA adapters

Key specifications

• Product Type: SAS Expander Card
• Host Interface: PCIe 3.0 x8
• SAS Interface: SAS 3.0 (12Gb/s)
• Internal Connectors: 9 x SFF-8643 (Mini-SAS HD)
• External Connectors: 1 x SFF-8644 (Mini-SAS HD)
• Total Ports: 40 (36 internal, 4 external)
• Data Transfer Rate: 12 Gbps per port
• Maximum Devices Supported: Up to 240 (via cascading)
• Form Factor: Low-profile MD2
• Operating Temperature: 0°C to 55°C
• Power Consumption: 16.5W typical
• Management: SES-2
• OS Support: Windows, Linux, VMware, FreeBSD

Recommendations

For optimal performance, pair with Adaptec Series 8 RAID adapters. Ensure proper cooling in server chassis.