Dialogic DIVA Server 4BRI-8. Connectivity technology: Wired, Host interface: PCI-E, Interface: Ethernet. Data transfer rate (max): 33.6 Mbit/s. Memory type: SDRAM, Internal memory: 64 MB. Operating temperature range (T-T): 10 - 50 °C, Storage temperature range (T-T): 0 - 70 °C. Compatible operating systems: Windows XP, Server 2003, Windows Vista, Windows 2008 and Windows 7 (32bit and 64bit)