# Serial Card StarTech.com 16-Port Low-Profile PCI Express

**URL:** https://aio.lv/en/product--startech-pex16s550lp--632140
**Data updated:** 2025-12-28 21:32 (EET)
**Category:** I/O Adapters & Controllers
**Manufacturer:** StarTech
**Manufacturer code:** PEX16S550LP
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 457.99 €
**Prices and availability valid until:** 2026-07-07 23:59
**Price without VAT (21%):** 378.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--startech-pex16s550lp--632140

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The StarTech.com 16-Port Low-Profile Serial Card features a PCIe host interface and supports baud rates up to 921.6 Kbit/s. It is equipped with the ASMedia chipset and is compatible with various Windows operating systems including Windows 10 and Windows Server versions. Its low-profile design makes it ideal for compact systems, providing 16 RS232 serial ports for extensive connectivity options.

## Long description

The StarTech.com 16-Port Low-Profile PCI Express serial card (PEX16S550LP) adds sixteen RS232 DB9 ports to a desktop or server using a single PCI Express slot. Designed for low-profile and full-profile systems, the card uses two 8-port breakout cables to provide a high-density serial connection for legacy and industrial devices. It is PCI Express 1.0a compliant, uses an ASMedia-based chipset, and supports Windows operating systems.
Advantages
This serial card provides a compact, high-density solution that expands a system with 16 RS232 DB9 ports while occupying only one PCIe slot. It supports high-speed serial communication up to 921.6 Kbps, offers IRQ sharing and plug-and-play connectivity for easy device integration, and includes both low-profile (preinstalled) and full-profile brackets for compatibility with a wide range of chassis.
Suitable for
Connecting POS terminals and receipt printers
Integrating manufacturing and industrial control equipment
Linking security and surveillance devices such as cameras
Building automation and environmental control systems
Legacy serial devices in servers and compact desktop systems
Key specifications
Model: PEX16S550LP
Interface: PCI Express (PCIe 1.0a compatible; fits x1/x2/x4/x8/x16 slots)
Ports: 16 × RS232 (DB9) via two 8-port breakout cables
Maximum data rate: 921.6 Kbps
Chipset: ASMedia-based
Compatibility: Windows operating systems
Form factor: Low-profile (includes full-profile bracket)
Weight: 0.07 kg
Product colour: Yellow
How to use
Install the serial card into an available PCIe slot (x1 or larger) on the target desktop or server and secure it with the appropriate bracket for your chassis. Connect the two included 8-port breakout cables to provide access to the 16 DB9 serial ports. After installing the card, power on the system and allow Windows to detect and configure the device; install any required drivers if prompted. Connect your RS232 devices to the DB9 ports and verify communication using your device management or terminal software.
Usage recommendations
For reliable operation, use quality shielded DB9 cables for serial connections and verify baud rate and serial settings (parity, data bits, stop bits, flow control) match between the host and connected devices. Ensure the chassis has an available PCIe slot and that you select the correct bracket before installation.

## Specifications

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 10 - 90 |
| Storage temperature (T-T) | -20 - 75 |
| Operating temperature (T-T) | 0 - 55 |

### Technical details

| Feature | Value |
|---|---|
| Compliance certificates | CE, RoHS |

### Ports & interfaces

| Feature | Value |
|---|---|
| Serial interface type | RS-232 |
| Serial ports quantity | 16 |
| Host interface | PCIe |
| Output interface | Serial |
| Internal SATA ports quantity | 1 |
| Expansion card standard | PCIe 1.1 |
| Expansion card form factor | Low-profile |

### Other features

| Feature | Value |
|---|---|
| Drivers included | Yes |
| Electrostatic Discharge (ESD) protection | 15 kV |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.07 kg |
| Package weight | 1200 g |
| Height | 22 mm |
| Width | 68 mm |
| Depth | 168 mm |

### System requirements

| Feature | Value |
|---|---|
| Windows operating systems supported | Windows 7 Starter, Windows 7 Starter x64, Windows 7 Professional x64, Windows 7 Home Premium x64, Windows 7 Professional, Windows 10 Pro x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic |
| Linux operating systems supported | Y |
| Server operating systems supported | Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019 |

### Design

| Feature | Value |
|---|---|
| Internal | Yes |
| Product colour | Yellow |

### Performance

| Feature | Value |
|---|---|
| Chipset | ASMedia - ASM1083, SystemBase - SB4002A, SB16C1058 |

### Logistics data

| Feature | Value |
|---|---|
| Master (outer) case height | 329 mm |
| Master (outer) case width | 397 mm |
| Master (outer) case length | 520 mm |
| Products per master (outer) case | 14 pc(s) |
| Harmonized System (HS) code | 84733020 |

### Packaging data

| Feature | Value |
|---|---|
| Cables included | RS-232 |
| Package depth | 293 mm |
| Package height | 70 mm |
| Package width | 192 mm |
| Quick installation guide | Yes |
| Mounting brackets included | Yes |

### Features

| Feature | Value |
|---|---|
| Baud rate | 921.6 Kbit/s |
| Data bits | 5, 6, 7, 8 |
| Stop bits | 1, 1.5, 2 |

## FAQ

### How much does the Serial Card StarTech.com 16-Port Low-Profile cost, and is it available for purchase?

The price is 457.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 26 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 08.07.2026 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 StarTech 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 StarTech 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, weight, internal, output interface, product colour, 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 Serial Card StarTech.com 16-Port Low-Profile?

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/632140/65747837_large.webp