# Fiber optic transceiver CBO Q28-100G-SR4 100G multimode SR4

**URL:** https://aio.lv/en/product--blueoptics-q28-100g-sr4-bo--4466065
**Data updated:** 2026-03-07 14:46 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** BlueOptics
**Manufacturer code:** Q28-100G-SR4-BO
**EAN:** 4063232063355
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 102.49 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 84.70 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-q28-100g-sr4-bo--4466065

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

CBO Q28-100G-SR4 is a 100G fiber optic transceiver designed for high-speed multimode SR4 links. It provides 100 gigabit connectivity for data centers and enterprise networks, supporting short-reach multimode fiber connections. Use it to upgrade switches and routers with QSFP28 interfaces for high-bandwidth aggregation and server interconnects.

## Long description

CBO Q28-100G-SR4 100G multimode SR4 is a fiber optic transceiver module designed for short-reach, high-bandwidth links. Built for QSFP28 ports, this 100G multimode SR4 transceiver enables aggregation and server interconnects in data centers and enterprise networks. It supports transmission over multimode fiber for typical short-distance applications where high throughput and low-latency connectivity are required.
Advantages
The transceiver provides 100 gigabit capacity in a compact QSFP28 form factor, allowing network upgrades without changing switch port architectures. Its multimode SR4 design reduces cabling complexity for short-reach links and supports high-density deployments. The module is compatible with standard QSFP28 interfaces and is intended to deliver stable optical performance for aggregation, top-of-rack and server-to-server connections.
Suitable for
 Data center aggregation and spine-leaf links
 Top-of-rack (ToR) switch uplinks
 High-bandwidth server interconnects
 Short-reach multimode fiber connections within campus or enterprise environments
Key specifications
 Form factor: QSFP28
 Nominal data rate: 100 Gbit/s
 Optical type: Multimode SR4
 Typical application: Short-reach links over multimode fiber
 Compatibility: Designed for QSFP28 fiber interfaces in switches and routers
How to use
Install the transceiver into a compatible QSFP28 port on the switch or router until it clicks securely. Connect appropriate multimode fiber cables and verify link status in the device management interface. Ensure transmit and receive channels are correctly routed and that transceiver settings match the host device configuration. Monitor optical metrics and link performance after installation to confirm stable operation.
Usage recommendations
Use high-quality multimode fiber and compliant MPO/MTP cabling for SR4 links and follow manufacturer guidelines for connector cleanliness and handling to maintain optical performance and reduce signal loss.

## FAQ

### How much does the CBO Q28-100G-SR4 100G Fiber Optic Transceiver cost, and is it available for purchase?

The price is 102.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1908 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 27.07.2026 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: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. 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

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