# Fiber optic transceiver module BlueOptics 845872-B21-BO 100000 Mbit/s QSFP28

**URL:** https://aio.lv/en/product--blueoptics-845872-b21-bo--10672723
**Data updated:** 2026-02-25 16:39 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** BlueOptics
**Manufacturer code:** 845872-B21-BO
**EAN:** 4063232317014
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 819.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 677.68 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-845872-b21-bo--10672723

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The BlueOptics 845872-B21-BO is a high-performance fiber optic transceiver module designed for data transfer rates of up to 100000 Mbit/s. It features a QSFP28 interface and is ideal for high-speed networking applications. With a compact design and lightweight of 40 g, it ensures efficient connectivity in various setups.

## Long description

The BlueOptics 845872-B21-BO is a fiber optic transceiver module engineered for high-speed data transmission up to 100000 Mbit/s. Featuring a QSFP28 interface and a compact, lightweight silver housing, this module is intended for integration into compatible networking equipment where high bandwidth and space efficiency are required. The small form factor and 0.04 kg weight make it suitable for dense rack installations and modular switch or router ports.
Advantages
This QSFP28 transceiver supports 100000 Mbit/s data rates and provides a standardized interface for multi-rate connectivity. The compact silver module reduces space requirements and contributes minimal additional weight to networking assemblies. Its design aligns with common QSFP28-compatible devices, simplifying installation and replacement in existing infrastructures.
Suitable for
High-speed data center interconnects
Core and aggregation switch uplinks
Server-to-switch connections requiring 100 Gbit/s bandwidth
Modular network equipment with QSFP28 ports
Key specifications
Interface type: QSFP28
Maximum data transfer rate: 100000 Mbit/s
Weight: 0.04 kg
Product colour: Silver
How to use
Install the module into a compatible QSFP28 slot on a switch, router, or network adapter following the host equipment manufacturer's hot-swap and handling guidelines. Ensure fiber cables and connectors match the transceiver optics and that transmit and receive channels are correctly connected. Verify link status and negotiate supported speeds via the network device management interface after installation.
Usage recommendations
Use appropriate ESD precautions when handling the transceiver. Confirm compatibility with the host device and the optical cabling type before deployment. Keep protective caps on connectors when the transceiver is not in use to prevent contamination.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Interface type | QSFP28 |
| Maximum data transfer rate | 100000 Mbit/s |
| Fiber ethernet cabling technology | 100GBASE |
| Fiber optic connector | LC |
| Maximum transfer distance | 100 m |
| Rx wavelength (max) | 918 nm |
| Rx wavelength (min) | 832 nm |
| Tx wavelength (min) | 832 nm |
| Tx wavelength (max) | 918 nm |
| Multi-mode fiber (MMF) supported | Yes |

### Network

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

### Packaging data

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

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | 0 - 70 |
| Maximum operating temperature | 70 °C |
| Minimum operating temperature | 0 °C |

### Packaging content

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

### Logistics data

| Feature | Value |
|---|---|
| Warranty period | 5 year(s) |

### Weight & dimensions

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

### Features

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

## FAQ

### How much does the Fiber optic transceiver BlueOptics 845872-B21-BO cost, and is it available for purchase?

The price is 819.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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 23.07.2026 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, Leasing for legal entities. 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, maximum data transfer rate, 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.

### Where can I download the instructions for Fiber optic transceiver BlueOptics 845872-B21-BO?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10672723/64427802_large.webp