# Optical Transceiver BlueOptics QSF-508 BO25KS856S3D 850 nm 300 m

**URL:** https://aio.lv/en/product--blueoptics-qsf-508-bo--11460977
**Data updated:** 2026-02-25 16:41 (EET)
**Category:** Network Media Converters
**Manufacturer:** BlueOptics
**Manufacturer code:** QSF-508-BO
**EAN:** 4063232342733
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 361.99 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 299.17 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-qsf-508-bo--11460977

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.08.2026 | free |
| Pickup points | 06.08.2026 | 1.89 EUR |
| Courier delivery to door | 06.08.2026 | 4.99 EUR |

## Summary description

The BlueOptics QSF-508 BO25KS856S3D is an optical transceiver module operating at 850 nm with a reach of up to 300 m. Designed for short-range multimode fiber links, it supports common switch and media converter installations. The module enables reliable optical connectivity, simple hot-plug deployment, and replacement in data centers, office networks, or telecom closets.

## Long description

The BlueOptics QSF-508 BO25KS856S3D is an optical transceiver module that operates at a wavelength of 850 nm and supports multimode fiber links up to 300 m. Designed for short-range connections, the module is compatible with common switches and media converters and provides plug-and-play hot-swappable installation. It is suitable for deployments in data centers, office networks, and telecom equipment racks where straightforward optical connectivity and fast replacement are required.
Advantages
This optical transceiver offers reliable short-range performance over multimode fiber with a specified reach of up to 300 m at 850 nm. Its hot-plug capability allows replacement or installation without powering down equipment, simplifying maintenance. The module’s form factor and electrical/optical interface are designed for broad compatibility with standard network switches and media converters, enabling easy integration into existing infrastructure.
Suitable for
 Short-range multimode fiber links within data centers
 Interconnections between switches and media converters
 Office network backbone and horizontal connections
 Telecom closets and rack-mounted network equipment
Key specifications
 Optical wavelength: 850 nm
 Maximum reach over multimode fiber: up to 300 m
 Connector type: multimode fiber-compatible mechanical interface
 Form factor: small form-factor pluggable style module for hot-swappable use
 Typical applications: short-range data and access links
How to use
Install the module into a compatible transceiver slot on a switch or media converter while the host device is powered on, using the hot-plug capability. Connect multimode fiber patch cords with appropriate connectors to the transceiver ports, ensuring proper fiber type and cleanliness of end faces. Verify link status via the host device LEDs or management interface and monitor signal integrity through standard network diagnostics.
Usage recommendations
For optimal performance, use OM3/OM4 multimode fiber where applicable and keep fiber connectors clean and properly secured. Match the transceiver’s 850 nm specification to the fiber type and expected distance to ensure reliable links. Replace modules with compatible, manufacturer-recommended parts and follow ESD precautions during handling.

## FAQ

### How much does the BlueOptics QSF-508 optical transceiver 850 nm 300 m cost, and is it available for purchase?

The price is 361.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 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 03.08.2026 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. 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 BlueOptics 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 BlueOptics 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

## Image

https://aio.lv/img/cache/product/11460977/66097783_large.webp