StarTech.com 4 Port RS232 Mini PCI Express Serial Card w/ 16650 – Add Four RS232 Serial Ports to an Embedded System through a mini PCI Express Slot – mini pcie serial card – 4 port rs232 – 4 port serial adapter – 4 port serial pci express mini card – pci express mini card db9 MPEX4S552 CARD
The MPEX4S952 4-Port RS232 Mini PCI Express Serial Card (16650 UART) turns a mini-PCIe slot into four RS232 (DB9) serial ports with data rates up to 921.6 Kbps – a cost-saving solution for adding serial support to embedded systems missing the functionality. A native PCIe single-chip design enables you to take advantage of full PCI Express bus capability, by providing improved speed and reliability while reducing the load applied to the CPU by as much as 48% over conventional “bridge chip” serial cards . Backed by a StarTech.com Lifetime Warranty and free lifetime technical support. More from the Manufacturer

Startech MPEX4S552

Features

Four high speed RS232 serial ports with data transfer rates up to 921.6 Kbps

High Performance 16650 UART

Includes 4x 30cm IDC to DB9 serial cables

256-byte deep FIFO per transmitter and receiver

Native single-chip, single lane PCI Express

In-band software flow control, using programmable Xon/Xoff in both directions

Automated out-of-band hardware flow control using RTS/CTS

Compliant with PCI Express base specifications revision 1.1

Guides & Documents

Brochure

Manual