# Fiber optic transceiver CBO QSFP-100G-CWDM4 QSFP28 100 Gbps CWDM4

**URL:** https://aio.lv/en/product--blueoptics-qsfp-100g-cwdm4-bo--4466268
**Data updated:** 2026-02-25 16:31 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** BlueOptics
**Manufacturer code:** QSFP-100G-CWDM4-BO
**EAN:** 4063232646534
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 297.49 €
**Prices and availability valid until:** 2026-08-09 23:59
**Price without VAT (21%):** 245.86 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-qsfp-100g-cwdm4-bo--4466268

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.08.2026 | free |
| Pickup points | 13.08.2026 | 1.89 EUR |
| Courier delivery to door | 13.08.2026 | 4.99 EUR |

## Summary description

CBO QSFP-100G-CWDM4 is a QSFP28 fiber optic transceiver supporting 100 Gbit/s data rate using CWDM4 multiplexing. Designed for high-density 100G links in data centers and carrier networks, it provides multi-wavelength transmission over single-mode fiber for medium-range connections. Suitable for use in switches, routers and other QSFP28-compatible equipment to enable high-speed uplinks and interconnects.

## Long description

The CBO QSFP-100G-CWDM4 QSFP28 100 Gbps CWDM4 fiber optic transceiver is a module designed for 100 Gbit/s links over single-mode fiber using coarse wavelength division multiplexing (CWDM4). It supports four optical lanes combined into a single duplex LC connection to provide a compact, hot-pluggable interface for high-density 100G uplinks and interconnects in data center and carrier environments. The module is compatible with QSFP28 ports on switches, routers and other networking equipment that accept QSFP28 form-factor transceivers.
Advantages
This transceiver offers high aggregate bandwidth in a compact QSFP28 package, enabling space-efficient deployment of 100 Gbps links. CWDM4 multiplexing reduces fiber count by carrying multiple wavelengths over one single-mode fiber pair, simplifying cabling and reducing infrastructure cost for medium-range connections. The hot-pluggable form factor and industry-standard electrical and optical interfaces facilitate rapid installation and replacement without powering down equipment.
Suitable for
100G uplinks between top-of-rack and aggregation switches in data centers
Inter-rack and inter-pod connections within campus and carrier networks
High-capacity links for core and distribution layers in network fabrics
Upgrading legacy 10/40G links to 100G where single-mode fiber is available
Key specifications
Interface: QSFP28 form factor, hot-pluggable
Data rate: 100 Gbit/s aggregate (4 × 25 Gbit/s lanes)
Optical technology: CWDM4 wavelength division multiplexing
Fiber type: Single-mode fiber (SMF), duplex LC connector
Typical reach: medium-range multimode for CWDM4 over SMF (industry typical distances for CWDM4)
Operating conditions: standard telecommunication temperature and humidity ranges (check device label for exact ranges)
How to use
Insert the QSFP28 transceiver into a compatible QSFP28 port until it seats securely, then connect a duplex LC single-mode fiber cable that matches the CWDM4 channel plan. Ensure the host device is configured for 100G operation and that link settings (such as auto-negotiation or fixed rate) are appropriate for the connected equipment. Replace or remove the module using the vendor-recommended extraction procedure to avoid damage to the port or module.
Usage recommendations
Verify compatibility with your switch or router vendor and confirm supported 100G CWDM4 optics in the equipment’s transceiver compatibility list. Use clean, industry-standard single-mode LC connectors and follow proper fiber handling and ESD precautions. For reliable performance, measure link loss and ensure the fiber link budget meets CWDM4 requirements for your intended distance.

## FAQ

### How much does the CBO QSFP-100G-CWDM4 QSFP28 100 Gbps transceiver cost, and is it available for purchase?

The price is 297.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 398 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 10.08.2026 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

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