# Transceiver CBO QSFP28 100G SR4 BO28L859S1D — 100 Gigabit SR4 multimode fiber

**URL:** https://aio.lv/en/product--blueoptics-qsfp28-100g-sr4-pt-bo--4466722
**Data updated:** 2026-02-24 11:00 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** BlueOptics
**Manufacturer code:** QSFP28-100G-SR4-PT-BO
**EAN:** 4063232065298
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 102.49 €
**Prices and availability valid until:** 2026-08-05 23:59
**Price without VAT (21%):** 84.70 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-qsfp28-100g-sr4-pt-bo--4466722

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.08.2026 | free |
| Pickup points | 06.08.2026 | 1.89 EUR |
| Courier delivery to door | 06.08.2026 | 4.99 EUR |

## Summary description

CBO QSFP28 100G SR4 transceiver BO28L859S1D provides a 100 Gigabit Ethernet optical link for multimode fiber networks. Designed for QSFP28 ports, it supports SR4 short-range transmission over multimode fiber for high-speed data centers and enterprise interconnects. The module enables compact 100G connectivity, plug-and-play installation and compatibility with QSFP28-capable switches and routers.

## Long description

The Transceiver CBO QSFP28 100G SR4 BO28L859S1D is a QSFP28 form-factor optical module that delivers 100 Gigabit Ethernet connectivity over multimode fiber. It is engineered for short-range SR4 transmission, providing four parallel lanes of 25 Gbps each to support high-bandwidth links in data centers and enterprise networks. The module is designed for direct insertion into QSFP28-compatible ports, offering compact 100G links with plug-and-play operation and broad interoperability with switches and routers that accept QSFP28 SR4 optics.
Advantages
This QSFP28 100G SR4 transceiver offers a compact, industry-standard form factor for dense port deployments, enabling high-throughput connections while conserving rack space. The multimode SR4 design supports short-reach links with low power consumption compared to long-range optics, and the four-lane architecture provides reliable parallel transmission for 100G applications. The module's compatibility with common QSFP28 ports simplifies upgrades to 100G networks and reduces integration effort.
Suitable for
 Top-of-rack and end-of-row data center uplinks requiring 100 Gigabit capacity
 High-performance server and switch interconnects over multimode fiber
 Enterprise backbone links and aggregation in campus networks
 Short-range parallel fiber connections in switched fabric environments
Key specifications
 Form factor: QSFP28
 Data rate: 100 Gigabit Ethernet (4 × 25 Gbps lanes)
 Transmission type: SR4 short-range over multimode fiber
 Fiber type: Multimode fiber (OM3/OM4 recommended)
 Reach: Short-range (typical data center distances)
 Connector/interface: QSFP28 electrical/optical interface
 Power consumption: Low-power SR design (typical values depend on system)
How to use
Install the transceiver into a compatible QSFP28 port on a switch, router, or network interface card, ensuring the host device supports SR4 multimode optics. Connect appropriate multimode MPO/MTP fiber cabling terminated for SR4 parallel lanes. The module is designed for plug-and-play operation; after insertion, verify link status and speed through the host device management interface. Follow ESD precautions and handle the optical interfaces with protective caps until cabling is connected to avoid contamination.
Lietošana ieteikumi
For stable 100G SR4 performance, use high-quality OM3 or OM4 multimode fiber, maintain clean connectors, and observe recommended maximum link lengths. Monitor operating temperature and host compatibility to ensure long-term reliability.

## FAQ

### How much does the CBO QSFP28 100G SR4 transceiver BO28L859S1D 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 — 1855 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 03.08.2026 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/4466722/59876497_large.webp