# InLine Interface Card 4 Port Serial 9 Pin PCIe PCI-Express 76623C

**URL:** https://aio.lv/en/product--inline-76623c--1094244
**Data updated:** 2026-01-03 12:48 (EET)
**Category:** I/O Adapters & Controllers
**Manufacturer:** InLine
**Manufacturer code:** 76623C
**EAN:** 4043718169030
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 54.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 45.03 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--inline-76623c--1094244

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The InLine Interface Card features 4 serial ports with a 9-pin configuration, utilizing PCIe technology for high-speed data transfer rates of up to 2500 Mbit/s. It is compatible with various Windows operating systems including 2000, XP, Vista, and Server editions. This card is ideal for connecting multiple serial devices, ensuring reliable wired connectivity and efficient data handling.

## Long description

The InLine Interface Card 4 Port Serial 9 Pin PCIe (model 76623C) is a PCI-Express (x1) add-in card that provides four RS-232 serial ports in DB-9 connectors. It complies with PCI-Express Base Specification Revision 1.1 and is designed for installation in two adjacent PCIe slots. The card is compatible with a wide range of operating systems including Windows (2000, XP, Vista, 7, 8 and Server editions), Linux, Mac OS X and DOS, and is based on the Moschip MCS9904CV-AA chipset.
Advantages
This PCIe serial card supports single-lane (x1) PCI-Express operation with throughput up to 2.5 Gb/s and provides four independent RS-232 ports. Each UART is compatible with industrial 16C450/16C550 standards and includes an on-chip 256-byte FIFO for transmit and receive paths to improve data flow. The card supports hardware and software flow control, multiple data formats (5, 6, 7, 8 bits), various parity options (Even, Odd, None, Space, Mark) and 1 or 2 stop bits. A special firmware variant can support higher per-port rates up to 1 Mb/s; standard maximum per-port rate is 230.4 kb/s.
Suitable for
 Connecting serial devices such as industrial controllers, barcode scanners, and legacy peripherals
 Systems requiring multiple RS-232 ports for telemetry, POS or automation
 Workstations or servers with available PCIe x1 slots needing reliable wired serial I/O
Key specifications
 Model: InLine 76623C (Moschip MCS9904CV-AA)
 Interface: PCI-Express x1 (requires two slot spaces)
 Ports: 4 × DB-9 male, RS-232
 PCIe throughput: single-lane up to 2.5 Gb/s
 UART compatibility: 16C450 / 16C550
 FIFO: 256-byte on-chip per port (TX/RX)
 Maximum data rate: 230.4 kb/s per port (special version up to 1 Mb/s)
 Flow control: hardware and software
 Serial formats: 5/6/7/8 bits; parity Even, Odd, None, Space, Mark; 1 or 2 stop bits
 OS support: Windows 2000, XP (32/64), Server 2003, Vista (32/64), Server 2008 (32/64), Windows 7 (32/64), Windows 8 (32/64), Linux, Mac OS X 10.5, DOS 6.22
How to use
Install the card into an available PCIe x1 slot (the card occupies two adjacent slot spaces) on a powered-off system and secure it to the chassis. Connect serial devices to the four DB-9 ports using appropriate RS-232 cables. After powering on, install the required drivers for your operating system if they are not provided automatically. Configure port parameters (baud rate, data bits, parity, stop bits, and flow control) in the OS or application to match the connected devices.
Usage recommendations
For stable communication, match the serial port settings on both ends and enable flow control when connecting devices that require sustained high data rates. Use quality shielded serial cables and avoid long cable runs in electrically noisy environments. Verify driver compatibility for your specific OS version before deployment.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| Serial ports quantity | 4 |
| Host interface | PCIe |

### Other features

| Feature | Value |
|---|---|
| I/O ports | 4x DB-9 M |
| Mac compatibility | Yes |
| Connectivity technology | Wired |
| Data transfer rate | 2500 Mbit/s |

### System requirements

| Feature | Value |
|---|---|
| Compatible operating systems | Microsoft Windows 2000/XP 32/64-bit/erver 2003
32/64-bit/Vista 32/64-bit/Server 2008 32/64-bit/Windows 7 32/64-bit, 
Linux, Mac OS/X 10.5, 
DOS 6.22 |

### Performance

| Feature | Value |
|---|---|
| Chipset | Moschip MCS9904CV-AA |

## FAQ

### How much does the InLine Interface Card 4 Port Serial 9 Pin PCIe PCI-Express cost, and is it available for purchase?

The price is 54.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 532 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All InLine products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized InLine service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: host interface, i/o ports, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for InLine Interface Card 4 Port Serial 9 Pin PCIe PCI-Express?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/1094244/64143628_large.webp