# SFP28 transceiver CBO SFP28-25G-ESR-AR-BO 25GBase-SR, LC connector, 300 m

**URL:** https://aio.lv/en/product--blueoptics-sfp28-25g-esr-ar-bo--4469531
**Data updated:** 2026-02-25 16:34 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** BlueOptics
**Manufacturer code:** SFP28-25G-ESR-AR-BO
**EAN:** 4063232073606
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 65.99 €
**Prices and availability valid until:** 2026-08-15 23:59
**Price without VAT (21%):** 54.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-sfp28-25g-esr-ar-bo--4469531

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.08.2026 | free |
| Pickup points | 19.08.2026 | 1.79 EUR |
| Courier delivery to door | 19.08.2026 | 4.99 EUR |

## Summary description

CBO SFP28-25G-ESR-AR-BO is a 25 Gbit/s SFP28 optical transceiver with LC connector designed for short-reach multimode fiber links up to 300 m. It supports 25GBase-SR operation and hot-pluggable SFP28 form factor for easy upgrades in switches and servers. Suitable for data center interconnects, aggregation and high-speed server uplinks.

## Long description

CBO SFP28-25G-ESR-AR-BO is a 25 Gbit/s optical SFP28 transceiver designed for short-reach multimode fiber links. The module supports 25GBase-SR operation over multimode fiber to distances up to 300 m and uses an LC duplex connector in a hot-pluggable SFP28 form factor, enabling straightforward upgrades in switches, routers and server network interfaces. The transceiver is intended for high-density installations where compact size and compatibility with standard SFP28 ports are required.
Advantages
The transceiver provides 25 Gbit/s data rate in a compact SFP28 package, supporting short-reach multimode fiber links with an LC connector for common cabling infrastructures. Its hot-pluggable design allows replacement or upgrades without powering down equipment. The module is suitable for high-density rack environments and supports standard 25GBase-SR optical signaling for interoperability with compatible networking equipment.
Suitable for
 Data center server uplinks and top-of-rack switch connections
 Aggregation links within racks and between nearby racks
 High-speed interconnects in campus and enterprise networks using multimode fiber
 Upgrading 10G links to 25G where short-reach multimode fiber is available
Key specifications
 Data rate: 25 Gbit/s (25GBase-SR)
 Fiber type: Multimode fiber (MMF)
 Maximum reach: Up to 300 m on appropriate multimode fiber
 Connector type: LC duplex
 Form factor: SFP28, hot-pluggable
 Optical type: Short-reach (SR) multimode transceiver
How to use
Install the SFP28 transceiver into a compatible SFP28 port on a switch, server NIC or router while the host device is powered according to the equipment manufacturer’s hot-swap guidelines. Connect LC duplex multimode fiber patch cords to the module and to the corresponding port on the remote device, observing correct transmit/receive orientation. After insertion, verify link status and speed through the host device management interface or LEDs. Use diagnostic and monitoring features provided by the host to confirm optical levels and link quality if available.
Usage recommendations
Use OM3/OM4 multimode fiber and high-quality LC patch cords to achieve the specified reach and performance. Follow equipment vendor compatibility lists when planning upgrades and perform link testing after installation to ensure correct operation. Avoid exposing the optical interfaces to dust and keep protective caps on when modules are not connected.

## FAQ

### How much does the CBO SFP28-25G-ESR-AR-BO SFP28 25G transceiver cost, and is it available for purchase?

The price is 65.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 717 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 14.08.2026 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/4469531/59857568_large.webp