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Black low-profile PCIe card with two DB9 ports and two brackets

STARTECH

STARTECH PEX2S1050 2-port PCIe serial expansion card

SKU CH-4VKV-2VQRP MPN PEX2S1050

Adds two RS232 serial ports via PCI Express x1 using a dual 16C1050 UART with 256-byte FIFOs and 460 Kbps maximum data rate

  • ColorBlack
  • Add two RS232 serial ports via PCI Express x1 slot
  • Dual 16C1050 UART with 256-byte FIFO for reliable data flow
  • Up to 460 Kbps transfer rate per port for legacy devices
  • Low-profile design at .8 inch height fits compact systems
  • RoHS, WEEE and REACH certified with TAA compliance

Two-port PCIe serial card

The StarTech PEX2S1050 adds two RS232 DB9 ports to a desktop or server through a single PCI Express x1 slot. It uses a dual-channel 16C1050 UART with 256-byte FIFO buffers on each transmitter and receiver. The low-profile bracket fits compact chassis while a full-height bracket is also supplied.

Sustained serial throughput

Each port supports a maximum data rate of 460 Kbps, and the 16C1050 UART maintains that speed across both channels simultaneously without CPU overhead. The deep FIFO reduces interrupt frequency, so long transfers or continuous streams stay stable under multi-port load.

Low-profile thermal profile

The card draws minimal power from the PCIe bus and has no active cooling, so it adds no audible noise to the system. Its 0.8-inch height and 4.7 by 4.1-inch footprint keep airflow unobstructed in dense enclosures. RoHS, WEEE and REACH compliance confirm restricted-substance adherence.

Pontos fortes

  • Add two RS232 serial ports via PCI Express x1 slot
  • Dual 16C1050 UART with 256-byte FIFO for reliable data flow
  • Up to 460 Kbps transfer rate per port for legacy devices
  • Low-profile design at .8 inch height fits compact systems
  • RoHS, WEEE and REACH certified with TAA compliance

Especificações

BrandStarTech.com
ColorBlack
Peso de envio1.36 kg
Dimensões da embalagem432 × 330 × 152 mm

Perguntas sobre este artigo

Does the 16C1050 UART generate noticeable heat or fan noise when the card runs continuously?

The card is a passive, low-profile design with no fan; the 16C1050 UART and PCIe x1 interface draw minimal power, so heat output stays low even during all-day operation.

What bracket or slot does my chassis need so the PEX2S1050 fits and works?

You need a free PCI Express x1 slot (or larger) and the card ships with both standard-height and .8-inch low-profile brackets for either chassis type.

Will the DB9 ports on this card talk to my legacy 16C1050-based equipment without extra adapters?

Yes — the dual 16C1050 UARTs with 256-byte FIFOs provide native RS232 signalling at up to 460 Kbps, matching older 16C1050 devices directly.

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