# Fiber optic transceiver CBO QSFP28-100G-SR4 100G multimode short-range

**URL:** https://aio.lv/en/product--blueoptics-qsfp28-100g-sr4-qn-bo--4466724
**Data updated:** 2026-02-24 11:00 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** BlueOptics
**Manufacturer code:** QSFP28-100G-SR4-QN-BO
**EAN:** 4063232065427
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 101.99 €
**Prices and availability valid until:** 2026-08-13 23:59
**Price without VAT (21%):** 84.29 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-qsfp28-100g-sr4-qn-bo--4466724

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 11.08.2026 | free |
| Pickup points | 14.08.2026 | 1.89 EUR |
| Courier delivery to door | 14.08.2026 | 4.99 EUR |

## Summary description

CBO QSFP28-100G-SR4 is a 100G fiber optic transceiver module designed for short-range multimode links. It provides four-channel 25G lanes in a QSFP28 form factor for data center and enterprise networking, connecting switches, servers and aggregation equipment. The module supports hot-plug installation and standard QSFP28 interfaces for high-density high-bandwidth applications.

## Long description

The BlueOptics CBO QSFP28-100G-SR4 100G multimode short-range transceiver is a compact QSFP28 module offering four independent 25G lanes for short-distance multimode fiber connections. Designed for high-density network environments, the module enables 100 Gigabit Ethernet links between switches, servers and aggregation devices. It supports hot-plug installation and conforms to standard QSFP28 mechanical and electrical interfaces for straightforward integration into existing data center and enterprise networking equipment.
Advantages
This QSFP28 transceiver delivers four-channel 25G transmission over multimode fiber, enabling cost-effective short-range 100G links with a small form factor. Its compliance with QSFP28 specifications ensures compatibility with common switch and server ports, while hot-plug capability reduces maintenance downtime. The module is suitable for high-density installations where space and power efficiency are important.
Suitable for
100 Gigabit Ethernet connections in data centers and server rooms
Short-range multimode fiber links between switches and aggregation equipment
High-density patch panels and spine-leaf network architectures
Interconnects between top-of-rack switches and storage or compute racks
Key specifications
Form factor: QSFP28 with four 25G lanes
Data rate: 100 Gbps aggregate
Optical type: Multimode, short-range
Connector: MPO/MTP multi-fiber interface
Hot-pluggable design
Typical use: Short-reach links within data centers
How to use
Insert the transceiver into a compatible QSFP28 port on a switch, server or transceiver cage while the host device is powered on, taking care to align the module and connector correctly. Use a multimode MPO/MTP patch cord to connect to the corresponding fiber panel or module. Verify link status and speed via the host device management interface, and consult the network equipment documentation for any port configuration required for 100G operation.
Usage recommendations
For reliable short-range performance, use OM3 or OM4 multimode fiber with MPO/MTP connectors and maintain proper fiber handling and bend-radius limits. Confirm transceiver compatibility with the host device vendor and update firmware or port settings as needed to enable full 100G throughput.

## FAQ

### How much does the CBO QSFP28-100G-SR4 fiber transceiver 100G cost, and is it available for purchase?

The price is 101.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1850 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 11.08.2026 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

## Image

https://aio.lv/img/cache/product/4466724/59856779_large.webp