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

**URL:** https://aio.lv/en/product--blueoptics-qsfp-40g-esr4-cp-bo--6185025
**Data updated:** 2026-03-07 15:15 (EET)
**Category:** Network Media Converters
**Manufacturer:** BlueOptics
**Manufacturer code:** QSFP-40G-ESR4-CP-BO
**EAN:** 4063232074894
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 119.49 €
**Prices and availability valid until:** 2026-08-27 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-cp-bo--6185025

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 25.08.2026 | free |
| Pickup points | 28.08.2026 | 1.79 EUR |
| Courier delivery to door | 28.08.2026 | 4.99 EUR |

## Summary description

The BlueOptics QSFP-40G-ESR4-CP-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 features a QSFP interface. With a mean time between failures (MTBF) of 1,000,000 hours, it ensures reliability and longevity. Weighing only 40 g, it is lightweight and easy to integrate into existing systems.

## Long description

The BlueOptics QSFP-40G-ESR4-CP-BO is a QSFP fiber optic transceiver module designed for 40 Mbit/s optical links. It operates at an 850 nm wavelength over multimode fiber and uses an MTP/MPO connector for parallel fiber connections. The module supports up to 300 m transmission distance, fits 40 Gigabit Ethernet interfaces and is lightweight at approximately 0.04 kg. Its documented mean time between failures (MTBF) of 1,000,000 hours indicates suitability for continuous operation in network environments that require stable, long-lived optics.
Advantages
The transceiver provides QSFP form-factor compatibility for systems that accept 40 Gigabit Ethernet optics and uses standardized MSA mechanical and electrical interfaces to promote interoperability. With support for an 850 nm transmitter and receiver and MPO/MTP connectivity, the module enables parallel multimode links for high-throughput short-reach applications. The product’s low weight and compact QSFP package make it easy to install into compatible switch, router, or storage hardware. The listed MTBF reflects a design emphasis on reliability and reduced maintenance intervals.
Suitable for
Short-reach multimode fiber links within data centers (up to 300 m)
40 Gigabit Ethernet uplinks and aggregation ports
Interconnection between switches, routers and storage arrays that accept QSFP optics
Key specifications
Maximum data transfer rate: 40 Mbit/s
Wavelength: 850 nm (transmit and receive)
Maximum transmission distance: 300 m over multimode fiber
Interface type: 40 Gigabit Ethernet (QSFP)
Fiber connector: MTP/MPO
Weight: approximately 0.04 kg
Reliability (MTBF): 1,000,000 hours
How to use
Install the QSFP-40G-ESR4-CP-BO into a compatible QSFP slot on a switch, router or other network device that supports 40 Gigabit Ethernet optics. Ensure the host device supports the module’s digital diagnostic and MSA-compatible QSFP interface if you plan to use monitoring features. Connect an appropriate MPO/MTP multimode patch cord between transceivers or to a patch panel, observing proper fiber handling and bend radius guidelines. Verify link status and negotiated speed on the host device after installation.
Usage recommendations
Use multimode fiber rated for the intended distance and verify that connected hardware officially supports QSFP optics for 40 Gigabit Ethernet. If digital diagnostics are required for remote monitoring, confirm that the host platform exposes the DDM/DOM data. Handle the MPO/MTP connector with dust caps installed until mating and follow standard ESD precautions during installation.

## 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 BlueOptics QSFP-40G-ESR4-CP-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 25.08.2026 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/6185025/54616370_large.webp