# Fiber optic transceiver module BlueOptics AT-QSFPSR4 QSFP 850 nm MPO

**URL:** https://aio.lv/en/product--blueoptics-at-qsfpsr4-bo--4465089
**Data updated:** 2026-02-25 16:30 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** BlueOptics
**Manufacturer code:** AT-QSFPSR4-BO
**EAN:** 4063232628080
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 93.49 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 77.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-at-qsfpsr4-bo--4465089

## 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 AT-QSFPSR4 is a fiber optic QSFP transceiver module operating at 850 nm. It features an MPO connector and is designed for high-speed data transmission. Weighing only 20 g, it is lightweight and easy to install. Ideal for networking applications requiring reliable and efficient connectivity.

## Long description

The BlueOptics AT-QSFPSR4 QSFP 850 nm MPO is a compact fiber optic transceiver module designed for 40G multimode applications. Operating at 850 nm with an MPO connector and a QSFP interface, this module supports high-speed optical links over multimode fiber for short-reach data centre and enterprise networks. The transceiver is lightweight (approx. 20 g) and engineered for hot-plug installation in compatible QSFP ports that follow MSA guidelines.
Advantages
The BlueOptics AT-QSFPSR4 provides interoperability with MSA-compliant QSFP ports and supports simultaneous transmit and receive channels via MPO/MTP termination. Designed for multimode fiber, it enables high aggregate throughput suitable for 40G applications while minimizing electromagnetic interference inherent to copper links. The module is manufactured using components that meet industry reliability standards and includes digital diagnostic monitoring capability when supported by the host hardware.
Suitable for
Short-reach 40G Ethernet links in data centers
Interconnects between switches, routers and storage systems
High-density aggregation and spine-leaf architectures
Applications requiring MPO/MTP multi-fiber connectivity
Key specifications
Optical wavelength: 850 nm
Form factor: QSFP
Connector type: MPO/MTP
Fiber type: Multimode fiber (MMF)
Typical application: 40GBASE-SR4 optical transmission
Weight: approximately 0.02 kg
Product colour: silver
Supports digital diagnostic monitoring (DDM/DOM) when host supports the feature
How to use
Install the module into a compatible QSFP port following the host equipment manufacturer’s instructions and ESD handling precautions. Connect an appropriate MPO/MTP multimode fiber patch cord to the transceiver taking care to align polarity and connector keying. Verify link status and, if available, read digital diagnostic monitoring parameters through the host management interface to confirm proper operation. For best results, ensure fiber optic patch cords, patch panels and transceivers are cleaned and inspected before making the connection.
Usage recommendations
Use OM3 or OM4 multimode fiber for optimal reach and performance with 40GBASE-SR4 deployments, and ensure the host equipment firmware supports third-party QSFP modules and DDM access if diagnostics are required.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Interface type | QSFP |
| Ethernet interface type | 40 Gigabit Ethernet |
| Wavelength | 850 nm |
| Fiber optic connector | MPO, MTP |
| Maximum transfer distance | 150 m |
| Multi-mode fiber (MMF) supported | Yes |

### Network

| Feature | Value |
|---|---|
| SFP transceiver type | Fiber optic |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.02 kg |

### Packaging content

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 30 g |

### Operational conditions

| Feature | Value |
|---|---|
| Storage temperature (T-T) | 0 - 70 |

### Features

| Feature | Value |
|---|---|
| Product colour | Silver |

## FAQ

### How much does the Fiber optic transceiver BlueOptics AT-QSFPSR4 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 — 445 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: interface type, weight, 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.

## Image

https://aio.lv/img/cache/product/4465089/64290312_large.webp