Startech.com 4 Port Native Pci Express Rs232 Serial Adapter Card With 16550 Uart

Internal host interface: pcie output interface: serial add 4 rs-232 serial ports to your standard or small form factor computer through a pci express expansion slotthe pex4s553 4-port native pci express rs232 serial adapter card with 16550 uart lets you add 4 rs232 db9 serial ports, using a single pci express expansion slot.Based on a native single-chip design, this 4-port serial adapter card allows you to harness the full capability offered by pci express pcie , while reducing the load applied to the cpu by as much as 48% over conventional bridge-chip serial cards.The rs232 serial adapter card includes 4 half-height low-profile brackets, allowing the card to be installed into almost any pc case, regardless of form factor.Backed by a startech.Com lifetime warranty and free lifetime technical support.The startech.Com advantage- native single-chip, single lane pci express chipset delivers true pcie performance, up to 48% more efficient than bridge chip designs- standard and low profile half-height brackets included to ensure fitment in any system ports & interfaces serial interface type rs-232 serial ports quantity 4 output interface serial host interface pcie design certification ce, fcc, reach mean time between failures mtbf 26280 h internal yes features data bits 5, 6, 7, 8 fifo first in, first out 256 b baud rate 128 kbit s chipset asix Mcs9904cv-aa operational conditions operating relative humidity h-h 5 85% Storage temperature t-t -20 60 C operating temperature t-t...

Internal host interface: pcie output interface: serial add 4 rs-232 serial ports to your standard or small form factor computer through a pci express expansion