StarTech.com PEX4S553 interface cards/adapter Serial Internal

Add 4 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot
The 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

4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

Features:

• Host interface: PCIe
• Output interface: Serial
• Internal: Y
• Serial ports quantity: 4
• Chipset: Moschip MCS9904CV-AA
• Data transfer rate: 0.128
• Width: 130
• Depth: 120
• Height: 19
• Weight: 80
• Operating temperature (T-T): 0 - 50
• Storage temperature (T-T): -20 - 60
• Operating relative humidity (H-H): 5 - 85
• Package weight: 230
• Compatible operating systems: Windows XP(32/64bit)/ Vista(32/64bit)/ 7(32/64bit), Windows Server 2003(32/64 bit), 2008 R2, Linux
• Mac compatibility: N
• Package height: 30
• Package width: 141
• Package depth: 170
• Windows operating systems supported: Windows 10 Education,Windows 10 Education x64,Windows 10 Enterprise,Windows 10 Enterprise x64,Windows 10 Home,Windows 10 Home x64,Windows 10 Pro,Windows 10 Pro x64,Windows 7 Enterprise,Windows 7 Enterprise x64,Windows 7 Home Basic,Windows 7 Home Basic x64