# QSFP Transceiver Module BlueOptics QSFP-40G-ESR4-IT-BO 40 Mbit/s 850 nm

**URL:** https://aio.lv/en/product--blueoptics-qsfp-40g-esr4-it-bo--6185016
**Data updated:** 2026-03-07 15:15 (EET)
**Category:** Network Media Converters
**Manufacturer:** BlueOptics
**Manufacturer code:** QSFP-40G-ESR4-IT-BO
**EAN:** 4063232074764
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 119.49 €
**Prices and availability valid until:** 2026-08-19 23:59
**Price without VAT (21%):** 98.75 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-qsfp-40g-esr4-it-bo--6185016

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 18.08.2026 | free |
| Pickup points | 21.08.2026 | 1.79 EUR |
| Courier delivery to door | 21.08.2026 | 4.99 EUR |

## Summary description

The BlueOptics QSFP-40G-ESR4-IT-BO is a fiber optic transceiver module designed for high-speed data transfer with a maximum rate of 40 Mbit/s. It operates at a wavelength of 850 nm and has a mean time between failures (MTBF) of 1,000,000 hours. Weighing only 40 g, this compact module is ideal for network applications requiring reliable and efficient performance.

## Long description

The BlueOptics QSFP-40G-ESR4-IT-BO is a compact QSFP transceiver module designed for 40 Gigabit Ethernet links over multimode fiber. It operates at an 850 nm wavelength, supports a maximum data rate of 40 Mbit/s and a maximum segment distance of up to 300 m using MTP/MPO connectors. With a lightweight form factor (approximately 40 g) and high MTBF, the module is intended for integration into switches, routers, storage systems and other networking hardware that accept MSA-compliant QSFP optics.
Advantages
The module follows QSFP MSA mechanical and electrical definitions to provide interoperability with compatible hardware platforms. It includes transmitter and receiver channels optimized for 850 nm multimode operation and uses an MTP/MPO fiber connector for parallel optical links. Built and tested to industry standards, the transceiver offers digital diagnostics capability for monitoring supply voltage, laser bias current, transmit power, receive power and temperature when supported by the host. The product’s compact size and low weight simplify installation in high-density environments.
Suitable for
40 Gigabit Ethernet uplinks between switches and aggregation points
High-speed interconnects in data center racks up to 300 m over multimode fiber
Storage area network (SAN) and Fibre Channel over Ethernet deployments
Hardware platforms that support MSA-compliant QSFP transceivers with MTP/MPO interfaces
Key specifications
Nominal wavelength: 850 nm
Maximum data transfer rate: 40 Mbit/s
Maximum link distance over multimode fiber: 300 m
Interface type: 40 Gigabit Ethernet (QSFP)
Optical connector: MTP/MPO
Weight: approximately 0.04 kg
Mean time between failures (MTBF): 1,000,000 hours
Digital diagnostics (DDM/DOM) support when host hardware provides access
How to use
Install the QSFP-40G-ESR4-IT-BO into a QSFP port of a compatible switch, router or storage device while the host is powered off or following the host’s hot-plug guidance. Connect a suitable MTP/MPO multimode fiber patch cord to the transceiver and the remote device or patch panel. Ensure that the connected fibers and patch cords meet multimode specifications for 850 nm operation and the required channel distance. If the host supports digital diagnostics, enable or query the DDM/DOM interface to monitor operational parameters and assist with maintenance.
Usage recommendations
Use high-quality multimode MTP/MPO patch cords and maintain clean optical endfaces to ensure reliable optical performance. Verify host compatibility with MSA-compliant QSFP transceivers and confirm software/firmware support for DDM if real-time diagnostics are required. For longer runs or single-mode requirements, select an appropriate single-mode transceiver designed for the desired wavelength and distance.

## Specifications

| Feature | Value |
|---|---|
| Interface type | QSFP |
| Ethernet LAN | Yes |
| Number of products included | 1 pc(s) |
| SFP transceiver type | Fiber optic |
| Multi-mode fiber (MMF) supported | Yes |

### Network

| Feature | Value |
|---|---|
| Ethernet interface type | 40 Gigabit Ethernet |
| Maximum data transfer rate | 40 Mbit/s |

### Ports & interfaces

| Feature | Value |
|---|---|
| Fiber optic connector | MTP/MPO |

### Performance

| Feature | Value |
|---|---|
| Maximum transfer distance | 300 m |
| Mean time between failures (MTBF) | 1000000 h |
| Wavelength | 850 nm |
| Rx wavelength (max) | 850 nm |
| Tx wavelength (max) | 850 nm |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.04 kg |

### Operational conditions

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

### Packaging content

| Feature | Value |
|---|---|
| Manual | Yes |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 50 g |

## FAQ

### How much does the QSFP Transceiver BlueOptics QSFP-40G-ESR4-IT-BO cost, and is it available for purchase?

The price is 119.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 86 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 18.08.2026 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: maximum data transfer rate, maximum transfer distance, weight, ethernet interface type, fiber optic connector, 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/6185016/54616250_large.webp