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

**URL:** https://aio.lv/en/product--blueoptics-qsfp-40g-esr4-mt-bo--6185008
**Data updated:** 2026-03-07 15:15 (EET)
**Category:** Network Media Converters
**Manufacturer:** BlueOptics
**Manufacturer code:** QSFP-40G-ESR4-MT-BO
**EAN:** 4063232074689
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 119.49 €
**Prices and availability valid until:** 2026-08-26 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-mt-bo--6185008

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.08.2026 | free |
| Pickup points | 27.08.2026 | 1.79 EUR |
| Courier delivery to door | 27.08.2026 | 4.99 EUR |

## Summary description

The BlueOptics QSFP-40G-ESR4-MT-BO is a fiber optic transceiver module designed for high-speed data transfer at 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 40 g, it is compact and efficient, suitable for various networking applications.

## Long description

The BlueOptics QSFP-40G-ESR4-MT-BO is a compact QSFP fiber optic transceiver module designed for 40 Mbit/s high-speed optical links. Operating at an 850 nm wavelength with an MTP/MPO connector, the module supports multimode fiber transmission over distances up to 300 m. With a lightweight 40 g housing and an MTBF of 1,000,000 hours, this transceiver is intended for integration into network switches, routers, storage systems and other 40 Gigabit Ethernet platforms that accept QSFP form-factor optics.
Advantages
This BlueOptics QSFP transceiver provides standardized MSA-compliant electrical and mechanical interfaces for broad interoperability and straightforward integration. The 850 nm transmitter and receiver are optimized for multimode fiber, delivering low-latency simultaneous send/receive capability via MPO/MTP connections. Designed with quality components and tested for compatibility, the module offers a long operational life and digital diagnostics support for remote monitoring when the host hardware supports DDM/DOM.
Suitable for
 40 Gigabit Ethernet uplinks and high-speed server interconnects
 Switch-to-switch and router-to-router optical links within data centers
 Storage area network (SAN) connectivity and high-throughput applications
 Short-reach multimode fiber runs up to 300 m in enterprise and campus networks
Key specifications
 Data rate: 40 Mbit/s
 Wavelength: 850 nm (transmit and receive)
 Maximum transfer distance: 300 m (multimode fiber)
 Connector type: MTP/MPO
 Interface: 40 Gigabit Ethernet (QSFP form factor)
 Weight: 0.04 kg
 Mean time between failures (MTBF): 1,000,000 hours
How to use
Install the QSFP transceiver into a compatible QSFP slot on a switch, router or other network device following the host manufacturer's hot-plugging and electrostatic discharge (ESD) handling guidelines. Connect an appropriate MTP/MPO multimode fiber patch cord between transceivers or to a patch panel. Verify link parameters in the host device management interface and, if available, enable or read Digital Diagnostic Monitoring (DDM/DOM) to monitor supply voltage, laser bias current, optical output and input power, and module temperature.
Usage recommendations
For reliable short-reach operation, use high-quality OM3/OM4 multimode fiber and certified MTP/MPO patch cords, ensure proper connector cleaning before mating, and confirm host hardware compatibility with QSFP-40G multimode modules and DDM/DOM features. Follow vendor guidelines for temperature and handling to maintain the specified MTBF and transmission performance.

## 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 |

### Packaging data

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

### Packaging content

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

### Operational conditions

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

### Weight & dimensions

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

### Ports & interfaces

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

### Performance

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

### Network

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

## FAQ

### How much does the QSFP Transceiver Module BlueOptics QSFP-40G-ESR4-MT-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 24.08.2026 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: wavelength, maximum transfer distance, maximum data transfer rate, 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/6185008/54616121_large.webp