# Transceiver CBO QSFP28-100G-LR4 100G LR4 Fiber Optic Module

**URL:** https://aio.lv/en/product--blueoptics-qsfp28-100g-lr4-ix-bo--4466690
**Data updated:** 2026-02-24 11:00 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** BlueOptics
**Manufacturer code:** QSFP28-100G-LR4-IX-BO
**EAN:** 4063232075679
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 430.99 €
**Prices and availability valid until:** 2026-08-17 23:59
**Price without VAT (21%):** 356.19 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-qsfp28-100g-lr4-ix-bo--4466690

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.08.2026 | free |
| Pickup points | 20.08.2026 | 1.79 EUR |
| Courier delivery to door | 20.08.2026 | 4.99 EUR |

## Summary description

CBO QSFP28-100G-LR4 is a QSFP28 100G LR4 fiber optic transceiver module designed for long-reach single-mode connections. It supports 100 Gigabit Ethernet over LR4 wavelength-division multiplexing, offering high-density quad-lane connectivity for data centers and carrier networks. Use cases include uplinks, aggregation links, and long-distance interconnects; it provides compact form factor and hot-pluggable convenience for easy installation and maintenance.

## Long description

The Transceiver CBO QSFP28-100G-LR4 100G LR4 Fiber Optic Module is a hot-pluggable QSFP28 transceiver designed for long-reach single-mode links. It implements 100 Gigabit Ethernet over LR4 wavelength-division multiplexing, providing four optical lanes in a compact form factor suitable for high-density data center and carrier applications. The module supports standard QSFP28 electrical and mechanical interfaces for use in compatible switches, routers and optical equipment.
Advantages
This 100G LR4 module offers long-reach single-mode transmission with LR4 WDM optics in a QSFP28 form factor, enabling high-density multi-lane connectivity while conserving port space. The hot-pluggable design simplifies installation and replacement without powering down systems. The module is engineered for interoperability with standard 100 Gigabit Ethernet equipment and supports high aggregate bandwidth for uplinks, aggregation and long-distance interconnects.
Suitable for
 Data center uplinks and spine-leaf interconnects
 Carrier transport and metro aggregation links
 Long-distance single-mode connections between sites
 High-density switch and router ports requiring 100G LR4 optics
Key specifications
 Form factor: QSFP28, hot-pluggable
 Data rate: 100 Gigabit Ethernet (aggregate over four lanes)
 Transmission type: LR4 wavelength-division multiplexing for single-mode fiber
 Reach: long-reach single-mode links (LR4-class distances over SMF)
 Interface: quad-lane electrical and optical connections compatible with QSFP28 ports
 Application: uplinks, aggregation, long-distance interconnects in data center and carrier networks
How to use
Insert the QSFP28 transceiver into a compatible QSFP28 port on a switch, router or optical card while the host system is powered according to vendor guidelines. Connect single-mode fiber cables to the module's LC-compatible optical interface using appropriate duplex or MPO fiber assemblies and ensure proper polishing and cleanliness of connectors. Verify link status and speed via the host device management interface and monitor optical parameters where supported.
Usage recommendations
Use this QSFP28 100G LR4 module with compliant single-mode fiber infrastructure and compatible QSFP28 ports. Maintain clean fiber connectors, follow ESD precautions during handling, and consult the network equipment vendor for any link compatibility or firmware requirements to ensure stable 100G LR4 operation.

## FAQ

### How much does the CBO QSFP28-100G-LR4 100G LR4 Transceiver cost, and is it available for purchase?

The price is 430.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 453 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 17.08.2026 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/4466690/59875998_large.webp