Comtrol RocketPort INFINITY Octa DB9M PCI 8-Port serial card with DB9M fanout cable Model 30000-7 Type: PCI Express to Serial Port Card External Ports: 8 x DB-9 Male RS-232/422/485 - Serial Data Transfer Rate: 921.6 Kbps Operating Systems Supported: Linux Microsoft® Windows® 7 Microsoft® Windows® 2008 Server Microsoft® Windows® Vista Microsoft® Windows Server® 2003 Microsoft® Windows® XP Microsoft® Windows NT® 4.0 (Legacy) Microsoft® Windows® 2000 (Legacy) FreeBSD® 5 FreeBSD® 6 QNX® 6.X SCO OpenServer™ 5 SCO OpenServer™ 6 Compatibility: Standard servers and 2U rackmount servers Dimensions: 4.7 x 2.6 (low-profile) Parts: 5 years limited Labor: 5 years limited