# Interface adapter QOLTEC 55500 — I/O interface card/adapter

**URL:** https://aio.lv/en/product--qoltec-55500--612237
**Data updated:** 2026-03-07 10:53 (EET)
**Category:** I/O Adapters & Controllers
**Manufacturer:** QOLTEC
**Manufacturer code:** 55500
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 16.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-55500--612237

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

QOLTEC 55500 is an interface adapter designed for I/O connectivity and integration with electronic systems. As an interface card/adapter, it provides a bridge between devices and controllers, enabling signal exchange and peripheral connection. Suitable for industrial, automation or embedded applications where a dedicated I/O interface board or adapter is required.

## Long description

QOLTEC 55500 is an interface adapter designed to provide reliable I/O connectivity and integration with electronic systems. As an I/O interface card/adapter, it creates a bridge between devices and controllers to enable signal exchange and peripheral connection. The adapter is suitable for industrial control, automation and embedded applications where a dedicated I/O interface board or adapter is required. Built with a PCI‑E 16x female socket, a USB connection cable, and a PCI‑E 1x male connector with optional external power via Molex, SATA or 4‑pin plug, it supports stable operation in multi‑card configurations and reduces strain on the motherboard when multiple expansion cards are used.
Advantages
The adapter reduces motherboard load by providing an external connection path for PCI‑E devices, helping to prevent damaged or overloaded traces when many cards are installed. Its external power options (Molex, SATA and 4‑pin) allow reliable power delivery to high‑draw devices. The included USB cable and compact PCI‑E 1x connector make it simple to install and route cards away from the motherboard to improve ventilation and cooling. The construction supports stable signal transmission between controller and peripheral devices in industrial or mining setups.
Suitable for
 Industrial automation systems requiring additional I/O connections
 Embedded controller expansions and peripheral interfacing
 Mining rigs where multiple PCI‑E cards are used and improved ventilation is needed
 Test benches and development systems that need flexible card placement
Key specifications
 Interface type: PCI‑Express (PCI‑E) 1x male to 16x female adapter
 External connection: USB cable for signal link between slot and adapter
 Power connectors: Molex, SATA and 4‑pin external power plugs for supplemental power
 Use case: designed for I/O connectivity, peripheral bridging and expansion card placement
 Compatibility: supports placement of PCI‑E cards in available PCI‑E 1x slots while offloading power and mechanical stress from motherboard
How to use
Install the PCI‑E 16x slot device into the adapter’s female connector and plug the PCI‑E 1x male connector into an available motherboard slot. Connect the USB cable as provided to ensure signal continuity between the board and the adapter. If the attached device requires extra power, connect one of the external power plugs (Molex, SATA or 4‑pin) to a suitable PSU cable. After physical installation, verify connections, power on the system and check that the controller and peripheral are detected by the host. Use proper anti‑static precautions and ensure the adapter and cables are routed to allow adequate airflow.
Usage recommendations
Use the external power connector when installing high‑draw cards to avoid overloading motherboard traces. Position the adapter and cards to maintain good ventilation and keep cable lengths as short as practical to preserve signal integrity. Regularly inspect power connectors and cable contacts for secure fit and signs of wear when operating in continuous or industrial environments.

## FAQ

### How much does the Interface adapter QOLTEC 55500 cost, and is it available for purchase?

The price is 19.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 07.07.2026 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: 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 QOLTEC 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 QOLTEC 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

### Where can I download the instructions for Interface adapter QOLTEC 55500?

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/612237/56503881_large.webp