StarTech 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART (PEX4S553) toner 0 Internal Yes Host interface

0 Internal Yes Host interface PCIe Performance Data transfer rate (max) 5 Gbit/s Design RoHS compliance Yes System requirements Server operating systems supported Windows Server 2003

) using single-mode LC fiber-optic cable (1310 nm)

2-year battery life practically eliminates the need to replace batteries Battery life may vary based on user and computing conditions

Complete hardware solution

Durable aluminum construction

StarTech 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART (PEX4S553) toner 0 Internal Yes Host interfaceItem model number: PEX4S553 Four high speed RS232 serial ports, with support for data transfer rates up to 128000bps 256 byte deep FIFO per transmitter and receiver Native single Chip, single lane PCI Express Includes half height low profile mounting brackets Built in 16C450 550 compatible UART Compliant with PCI Express Base Specification 1. 1 Specification Ports & interfaces Serial ports quantity 4 Output interface Serial Internal Yes Host interface