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.

FEATURES

• Four high speed RS232 serial ports, with support for data transfer rates up to 128000bps
• 256-byte deep FIFO per transmitter and receiver
• Native single-Chip, single lane PCI Express
• Includes half-height/low profile mounting brackets
• Built-in 16C450/550 compatible UART
• Compliant with PCI Express Base Specification 1.1
• Applications
  • POS retail applications in grocery stores, and any other retail store to control keyboards, cash drawers, receipt printers, card readers / card swipes, scales, and elevated displays on poles
  • Bank teller workstations in either full profile or low profile versions to control their serial devices such as cash drawers, card readers / card swipes, printers, keypads / pinpads, pen pads
  • Self-service automated machines and kiosks to control serial devices such as scales, touchscreens, magnetic card readers, bar code scanners, receipt printers, label printers
  • Standard ATM automated teller machines to control keypads, receipt printer, card readers / card swipes, touchscreen LCD's, camera control, etc.
  • Used to control multiple surveillance / security cameras in a parking structure, office building, etc.
• 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

SPECIFICATIONS

• Warranty Information:
  • Warranty: Lifetime
• Connector(s):
  • Connector Type(s): 1 – PCI Express x1
  • External Ports: 4 – DB-9 (9 pin, D-Sub)
• Environmental:
  • Operating Temperature: 0°C to 50°C (32°F to 122°F)
  • Storage Temperature: 20°C to 60°C (4°F to 140°F)
  • Humidity: 5~85% RH
• Hardware:
  • Ports: 4
  • Interface: Serial
  • Bus Type: PCI Express
  • Card Type: Standard Profile (LP bracket incl.)
  • Port Style: Integrated on Card
  • Chipset ID: ASIX – MCS9904CV-AA
• Packaging Information:
  • Package Height: 1.2 in [30 mm]
  • Package Length: 6.7 in [17 cm]
  • Shipping (Package) Weight: 8.1 oz [230 g]
  • Package Width: 5.6 in [14.1 cm]
• Performance:
  • Serial Protocol: RS-232
  • Max Baud Rate: 128 Kbps
  • Data Bits: 5, 6, 7, 8
  • FIFO: 256 bytes
  • Parity: 5, 6, 7, 8
  • MTBF: 26,280 Hours
• Physical Characteristics:
  • Weight of Product: 2.6 oz [74 g]
  • Color: Green
  • Material: Steel
  • Product Length: 4.7 in [12 cm]
  • Product Width: 5.1 in [13 cm]
  • Product Height: 0.7 in [1.9 cm]
• Software:
  • OS Compatibility:
    • Windows® DOS, 95, 98SE, 2000, CE 5.0/6.0, Embedded System 2009, POS Ready 2009, XP Embedded, XP, Vista, 7, 8, 8.1, 10, 11
    • Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016, 2019
    • Mac OS® 10.4 to 10.10
    • Linux 3.5.x to 4.11.x LTS Versions Only
  • Microsoft WHQL Certified: Yes
• What's in the Box:
  • Included in Package:
    • 1 – 4 Port PCI-Express RS-232 Serial Card
    • 1 – Bracket with 2 DB9 male ports
    • 4 – Low Profile Brackets
    • 1 – Driver CD
    • 1 – Instruction Manual