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StarTech PEX16S550LP PCI Express Serial Card - 16 Port Low-Profile Serial Card - High-Speed PCIe Serial Adapter - Serial Controller DB9 RS232
- Add 16 RS232 serial ports (DB9) to your low or full-profile computer through a PCI Express slot
- 16-Port PCI Express Serial Card
- High-speed PCIe serial card with 16 DB9 RS232 ports from a single PCIe slot
- Multiport serial adapter card enables high-speed serial communication with data transfer rate up to 921.6 Kbps
- Compliant with PCI Express 1.0a/1.1 and compatible with 1x/2x/4x/ 8x/16x PCIe bus
- PCIe serial card / Multiport serial adapter card / Serial PCIe card / Serial expansion card
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 2 years
- Limited Warranty period (labor): 2 years
- Read full details
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-800-265-1844
- Support Email: support@startech.com
- Support Website
- View other products from STARTECH
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The StarTech PEX16S550LP is a PCIe expansion card that adds 16 DB9 RS-232 serial ports to a low- or full-profile desktop or server, making it suitable for systems that need to connect many serial devices from a single PCIe slot.
Recommended For
- POS and bank-teller workstation operators who need one desktop or server to connect multiple serial peripherals, such as receipt printers, cash drawers, card readers, scales, or PIN pads.
- Industrial automation teams connecting multiple RS-232 devices to a factory-floor computer through a single PCIe slot.
- Kiosk and self-service system builders who need a host PC to connect several serial peripherals, such as barcode scanners, touchscreens, scales, or receipt printers.
- Security-system integrators who need a PCIe-equipped computer to communicate with multiple RS-232 surveillance or monitoring devices.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Adding 16 DB9 RS-232 serial connections to a low- or full-profile desktop or server with a compatible PCIe slot |
| Serial Ports And Communication | 16 male DB-9 RS-232 ports support 5–8 data bits, 1, 1.5, or 2 stop bits, and baud rates up to 921.6 Kbps |
| PCI Express Compatibility | PCI Express 1.0a/1.1 card compatible with x1, x2, x4, x8, and x16 slots; supports PCI Power Management 1.2 |
| Card Design And Power | Low-profile card with an included low-profile bracket, SP4 internal power connector, selectable 5V or 12V output on serial port pin 9, and ±15 kV ESD protection |
| System Compatibility | For personal computers; supports Windows 7, 8, 8.1, and 10; Windows Server 2003, 2008 R2, 2012, 2012 R2, and 2016; and Linux 2.6x–4.2x LTS versions |
| Included Accessories | Includes two breakout cables, a driver CD, and a quick-start guide |
| Dimensions And Weight | 6.6 × 2.7 × 0.9 inches; 0.16 lb |
| Model Identifiers | StarTech.com PEX16S550LP |