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Green PCB with two DB9 ports and a full-height bracket

HP PCIE-SE2 2-Port PCIe RS-232 DB9 Serial Card

SKU CH-NVJF-D5TP5

Adds two RS-232 DB9 serial ports via a PCI Express slot for legacy peripherals

  • Interface typePCI
  • Connection types1 x RJ45
  • Team affiliation1 Piece
  • Key featuresPci x 1, Classic
  • Product dimensions14.33 in W × 12.83 in H × 9.06 in D
  • Product weight80 g
  • Adds two RS-232 DB9 serial ports via a single PCIe x1 slot
  • ASIX AX99100 controller with on-chip 256-byte transmit FIFO
  • Driver support for Windows XP through 11 and Linux kernels 2.6 to 5.x
  • Includes full-height and low-profile brackets for standard or slim PCs
  • 80-gram lightweight card measuring 14.33in W x 12.83in H x 9.06in D

Two-Port PCIe RS-232 Serial Card

The HP PCIE-SE2 adds two DB9 serial ports to a desktop or industrial PC through a single PCI Express x1 slot. It uses the ASIX AX99100 controller with 256-byte transmit FIFO and works on Intel, AMD and ARM platforms. The card ships with both a full-height and a low-profile bracket for standard or slim chassis.

PCI Express x1 Interface

Installation requires an empty PCIe x1, x4, x8 or x16 slot on the motherboard. Drivers must be installed from the included mini-CD for Windows XP, Vista, 7, 8.x, 10 and 11 in 32-bit and 64-bit editions. Linux kernels 2.6.x through 5.x need the driver compiled from source code on the disc.

Industrial and Legacy Device Connectivity

This card suits users connecting POS terminals, barcode scanners, label printers, security panels or other RS-232 equipment to a modern PC. It is not for buyers who need native USB, Ethernet or parallel ports, nor for systems that lack a spare PCIe slot or cannot run the required driver installation.

How it compares

Measured against everything we stock in Ethernet Cards & NICs, at today’s prices. Recalculated every night.

Price $44.99
Cheaper than about 70% of the 1,505 comparable items (median $90.99).

Specifications

Product
Brand nameHP
Part numberPCIE-SE2
Ports & slots
Interface typePCI
Connection types1 x RJ45
Size & build
Product dimensions14.33 in W × 12.83 in H × 9.06 in D
Product weight80 g
In the box
In the box1 x LinksTek x PCIE-SE2
More details
Team affiliation1 Piece

Questions about this item

What does the ASIX AX99100 chip's 256-byte transmit FIFO do in everyday use?

The on-chip 256-byte FIFO buffers outgoing data so the serial link keeps flowing even when the host CPU is briefly busy with other tasks.

Which PCI Express slot sizes will accept this x1 card?

The card uses a PCIe x1 interface and will work in x1, x4, x8 or x16 slots.

What brackets are supplied for different chassis heights?

A full-height bracket is fitted and a low-profile bracket is included for slim PCs.

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