Add 4 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot\n 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.\n Based on a native single-chip design, this 4-port serial adapter card means that you can 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.\n 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.\n Backed by a Star Tech.com Lifetime warranty & free lifetime technical support.\n The Star Tech.com Advantage\n- Native single-chip, single lane PCI Express chipset delivers true PCIe performance, up to 48% more efficient than bridge chip designs\n- Standard & low profile/half-height brackets included to ensure fitment in any system Feature Feature Value Host interface PCIe Output interface Serial Serial ports quantity 4 Internal Y Chipset Moschip MCS9904CV-AAOperating temperature (T-T)0
- 50 &176;CStorage temperature (T-T)-20
- 60 &176;COperating relative humidity (H-H)5
- 85% Windows operating systems supported Windows 10 Education, Windows 10 Education x 64, Windows 10 Enterprise, Windows 10 Enterprise x 64, Windows 10 Home, Windows 10 Home x 64, Windows 10 Pro, Windows 10 Pro x 64, Windows 7 Enterprise, Windows 7 Enterprise x 64, Windows 7 Home Basic, Windows 7 Home Basic x 64, Windows 7 Home Premium, Windows 7 Home Premium x 64, Windows 7 Professional, Windows 7 Professional x 64, Windows 7 Starter, Windows 7 Starter x 64, Windows 7 Ultimate, Windows 7 Ultimate x 64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x 64, Windows 8 Pro, Windows 8 Pro x 64, Windows 8 x 64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x 64, Windows 8.1 Pro, Windows 8.1 Pro x 64, Windows 8.1 x 64, Windows Vista Business, Windows Vista Business x 64, Windows Vista Enterprise, Windows Vista Enterprise x 64, Windows Vista Home Basic, Windows Vista Home Basic x 64, Windows Vista Home Premium, Windows Vista Home Premium x 64, Windows Vista Ultimate, Windows Vista Ultimate x 64, Windows XP Home, Windows XP Home x 64, Windows XP Professional, Windows XP Professional x 64 Width 130 mm Depth 120 mm Height 19 mm Weight 80 g Package width 173 mm Package depth 141 mm Package height 28 mm Package weight 220 g Data transfer rate 0.128 Mbit/s Mac compatibility N Compatible operating systems Windows XP (32/64bit)/ Vista (32/64bit)/ 7 (32/64bit), Windows Server 2003 (32/64 bit), 2008 R2, Linux