PEU521
5-Port Hi-Speed USB 2.0 PCI Express (x1) Card
• Fully compliant with one-lane 2.5Gbit/sec PCI Express specifications (PCIe x1 slot)
• Five (5) 480Mbps Hi-Speed USB 2.0 ports
• Ideal connection for digital cameras, digital camcorders, scanners, printers, external CD/DVD writers, hard disk drives, and etc.
• Supports Windows® 2000/XP/Vista/Server 2008/Windows 7 or later
• Supports Mac OS X or later

PEU524
4-Port Hi-Speed USB 2.0 PCI Express (x1) Card
• Fully compliant with one-lane 2.5Gbit/sec PCI Express specifications (PCIe x1 slot)
• Four (4) 480Mbps Hi-Speed USB 2.0 ports
• Four (4) external ports
• Supports Windows® 2000/XP/Server 2003/Vista/Server 2008/Windows 7/Windows 8 or later (*1)
• Supports Mac OS X or later
• Supports Linux (*1)