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Green PCIe card with single DB9 port and low-profile bracket

STARTECH

STARTECH 11050PCSERIALCARD PCIe RS232 DB9 expansion card

SKU CH-9BK9-36HPQ MPN 11050PCSERIALCARD

Adds a DB9 serial port via PCIe with 16C1050 UART, 256-byte FIFO and 921.6 Kbps speed, plus low-profile bracket for SFF systems

  • Adds a DB9 serial port to modern PCIe desktops
  • 16C1050 UART with 256-byte FIFO buffers data reliably
  • Bi-directional speeds up to 921.6 Kbps for fast transfers
  • Low-profile bracket included for small form factor builds
  • LED status lights show port activity at a glance

Add Serial Port to PCIe System

This StarTech PCIe expansion card adds a single RS-232 DB9 serial port to a desktop or small form factor computer. It uses a 16C1050 UART with a 256-byte FIFO buffer for reliable data transfer. The card supports bi-directional speeds up to 921.6 Kbps for connecting legacy peripherals. A low-profile bracket is included for installation in compact chassis.

Verify Slot and OS Compatibility

Confirm your motherboard has an available PCIe slot before ordering. The card supports Windows and Linux operating systems for broad software compatibility. LED status lights on the bracket provide visual indication of port activity. No external power connection is required for the card to operate.

Suits Legacy Device Integration

This card suits users connecting older serial equipment such as POS terminals, security panels, or industrial machinery. It is not for builders who need multiple serial ports from a single expansion slot. Buyers requiring USB or parallel interfaces should look at a different adapter type. The two-year manufacturer backing includes lifetime technical assistance.

How it compares

Measured against everything we stock in PCIe Expansion Cards, at today’s prices. Recalculated every night.

Price $55.99
Pricier than about 73% of the 891 comparable items (median $30.99).

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Specifications

Product
Product typeNo
Size & build
Shipping weight0.45 kg
Package size216 × 152 × 51 mm

Questions about this item

Does the 11050PCSERIALCARD include the low-profile bracket for small-form-factor cases or do I need to buy one separately?

The low-profile bracket is included in the box for SFF systems.

Should I choose the 16C1050 UART version for higher FIFO buffering or is there another option?

This card uses a 16C1050 UART with 256-byte transmit and receive FIFO; no alternative UART is offered.

What does the 921.6 Kbps bi-directional speed mean when the card is installed in a desktop PCIe slot?

It provides up to 921.6 Kbps full-duplex RS-232 throughput for legacy serial peripherals such as POS or security equipment.

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