StarTech.com 4 Port RS232 PCI Express Serial Card with Breakout Cable (PEX4S553B)[Product Information]- Lower CPU load of native single-chip， single lane PCI Express design ensures optimal system performance (up to 48% less CPU load)
- Includes both standard and low profile/half-height brackets， which makes this the perfect card for any application， including small form factor embedded applications
- Breakout cable design means that only one expansion slot is needed， to add 4 additional serial ports to any system
- Native single chip design
- Includes a full profile and low profile/half-height bracket
- On chip 256-byte depth FIFO in transmit/receive path of each port
- Single-Lane (x1) PCI-Express with throughput up to 2.5Gbps
- Supports hardware and software flow control
