# Internal Serial Adapter DeLOCK 89557

**URL:** https://aio.lv/en/product--delock-89557--434376
**Data updated:** 2025-12-28 21:19 (EET)
**Category:** I/O Adapters & Controllers
**Manufacturer:** DELOCK
**Manufacturer code:** 89557
**EAN:** 4043619895571
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 34.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 28.92 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--delock-89557--434376

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

The DeLOCK 89557 is an internal serial adapter with a PCIe host interface and a low-profile form factor. It features the ASIX AX99100 chipset, offering a maximum data transfer rate of 0.0002304 Gbit/s and a FIFO buffer of 256 B. Compatible with various Windows operating systems, this adapter is ideal for expanding serial communication capabilities in your system.

## Long description

The Internal Serial Adapter DeLOCK 89557 is a PCIe expansion card that adds four external RS-232 serial ports to a PC. Built with the ASIX AX99100 chipset and a low-profile form factor, the card supports connection of devices such as scanners, printers and serial mice and can be fitted into standard and mini cases using the supplied low-profile bracket. It is suitable for systems that require additional serial communication interfaces and is compatible with various Windows operating systems.
Advantages
The adapter provides four external serial ports on a single PCI Express slot, uses the ASIX AX99100 chipset for reliable serial communication and includes a low-profile bracket for installation in Mini-PCs. Its internal design keeps external connectors tidy while expanding legacy device support.
Suitable for
Connecting scanners and receipt printers
Attaching serial mice and barcode readers
Industrial or legacy equipment that uses RS-232 interfaces
Systems with limited expansion space (mini or small form factor PCs)
Key specifications
Model: DeLOCK 89557
Host interface: PCIe (PCI Express)
Output interface: 4 × external serial (RS-232)
Chipset: ASIX AX99100
Maximum data transfer rate: 0.0002304 Gbit/s
FIFO buffer: 256 B
Form factor: low-profile (includes low-profile bracket)
Internal: yes
Colour: green
EAN: 4043619895571
How to use
Power down the PC and unplug it from the mains. Open the PC case, insert the DeLOCK 89557 into an available PCI Express slot and secure it with the bracket and screw. If installing into a Mini-PC, replace the full-height bracket with the supplied low-profile bracket. Close the case and reconnect power. Install the appropriate Windows driver if the operating system does not automatically recognize the ASIX AX99100 chipset. After driver installation, connect external serial devices to the card's ports and configure COM port settings in the operating system or application as required.
Usage recommendations
Use shielded serial cables for reliable connections and keep cable runs as short as practical. Confirm device baud rates and COM port settings in host software to ensure proper communication. When installing drivers, obtain them from the device manufacturer or from ASIX/DELOCK support resources to ensure compatibility.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| Serial interface type | RS-232 |
| Serial ports quantity | 4 |
| Host interface | PCIe |
| Output interface | Serial |
| Expansion card standard | PCIe 2.0 |
| Expansion card form factor | Low-profile |

### Other features

| Feature | Value |
|---|---|
| Manual | Yes |
| Drivers included | Yes |

### System requirements

| Feature | Value |
|---|---|
| Windows operating systems supported | Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8.1, Windows 8.1 Pro x64, Windows 8.1 Enterprise, Windows 8.1 Pro, Windows 8.1 Enterprise x64, Windows 7 Enterprise x64, Windows 7 Enterprise, Windows 10 Pro x64, Windows 10 Pro, Windows 10 IOT Core, Windows 10 Home x64, Windows 10 Home, Windows 10 Enterprise x64, Windows 10 Enterprise, Windows 10 Education x64, Windows 10 Education, Windows 8.1 x64 |

### Design

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

### Performance

| Feature | Value |
|---|---|
| Chipset | ASIX AX99100 |

### Logistics data

| Feature | Value |
|---|---|
| Country of origin | China |
| Harmonized System (HS) code | 84733020 |

### Features

| Feature | Value |
|---|---|
| FIFO (First In, First Out) | 256 |
| Data transfer rate (max) | 0.0002 Gbit/s |

### Packaging data

| Feature | Value |
|---|---|
| Package type | Hanging box |
| Mounting brackets included | Yes |

## FAQ

### How much does the Internal Serial Adapter DeLOCK 89557 cost, and is it available for purchase?

The price is 34.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 359 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 29.06.2026 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: 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 DELOCK 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 DELOCK 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, 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 Internal Serial Adapter DeLOCK 89557?

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/434376/65746972_large.webp