# Fiber optic transceiver CBO DEM-QX01Q-SR4-BO 40,000 Mbit/s 850 nm

**URL:** https://aio.lv/en/product--blueoptics-dem-qx01q-sr4-bo--4470715
**Data updated:** 2026-02-25 16:35 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** BlueOptics
**Manufacturer code:** DEM-QX01Q-SR4-BO
**EAN:** 4063232644622
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 93.49 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 77.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-dem-qx01q-sr4-bo--4470715

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

CBO DEM-QX01Q-SR4-BO is a fiber optic transceiver module supporting 40,000 Mbit/s data rate at 850 nm wavelength. Designed for short-reach multimode fiber links, it enables high-speed aggregation and data center connectivity. Typical uses include server uplinks, switch-to-switch links and SAN deployments where compact, hot-swappable modules simplify maintenance and capacity upgrades.

## Long description

CBO DEM-QX01Q-SR4-BO is a fiber optic transceiver module that delivers a 40,000 Mbit/s (40Gb/s) data rate over multimode fiber at an 850 nm wavelength. Engineered for short-reach links, the module fits common QSFP form factors and is suitable for high-density environments where compact, hot-pluggable modules are required. Typical deployment scenarios include data center aggregation, server uplinks and switch-to-switch connections where consistent low-latency optical links are needed.
Advantages
The transceiver provides a standardized 40Gb/s interface for short-range multimode fiber, enabling high-throughput connectivity with low power consumption. Its hot-swappable design simplifies maintenance and upgrades without disrupting active equipment. The optical 850 nm wavelength and multimode compatibility reduce cabling complexity for short runs and allow integration into existing MPO/parallel optics infrastructures. Mechanical compatibility with QSFP ports supports high-density switch and server installations.
Suitable for
Data center aggregation and spine-leaf fabrics
Server uplinks and top-of-rack switch connections
High-speed switch-to-switch links within racks or between adjacent racks
Storage area network (SAN) connectivity over short multimode fiber
Key specifications
Nominal data rate: 40,000 Mbit/s (40 Gb/s)
Operating wavelength: 850 nm for multimode fiber
Target reach: short-range multimode links (typically within a data center)
Form factor compatibility: QSFP-class hot-pluggable transceiver
Fiber type: multimode fiber, parallel/MPO-style connections
How to use
Install the transceiver into a compatible QSFP port on a switch, server adapter or other network device while the host supports hot-pluggable optics. Connect appropriate multimode fiber cables with the corresponding MPO or parallel connector arrangement, observe proper fiber handling and maintain correct polarity for parallel optics. After insertion, verify link status and speed on the host device and monitor optical signal parameters through the device management interface if available.
Usage recommendations
Use multimode fiber rated for the intended reach, ensure MPO connectors are clean and undamaged, and follow equipment vendor guidelines for interoperability. For reliable performance, keep transceiver firmware and host device drivers up to date and avoid bending fiber beyond specified minimum bend radii.

## FAQ

### How much does the Fiber optic transceiver CBO DEM-QX01Q-SR4-BO cost, and is it available for purchase?

The price is 93.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 451 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 27.07.2026 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. 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/4470715/59856235_large.webp