# Network Cable BlueLAN QSFP28-4SFP28-DAC-2M 100GBASE-CR4 2m Blue

**URL:** https://aio.lv/en/product--blueoptics-q28-4s28-dac-2m-ia-bl--10894252
**Data updated:** 2026-03-07 18:09 (EET)
**Category:** Network Cables
**Manufacturer:** BlueOptics
**Manufacturer code:** Q28-4S28-DAC-2M-IA-BL
**EAN:** 4063232123233
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 173.49 €
**Prices and availability valid until:** 2026-08-28 23:59
**Price without VAT (21%):** 143.38 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-q28-4s28-dac-2m-ia-bl--10894252

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.08.2026 | free |
| Pickup points | 01.09.2026 | 1.79 EUR |
| Courier delivery to door | 01.09.2026 | 4.99 EUR |

## Summary description

The BlueLAN QSFP28-4SFP28-DAC-2M is a passive direct attach breakout cable designed for high-speed data transmission. It features a QSFP28 connector on one end and four SFP28 connectors on the other, supporting 100GBASE-CR4 and 25GBASE-CR standards. With a length of 2 meters and AWG26 wire gauge, this cable ensures reliable performance and low latency for data center applications.

## Long description

The BlueLAN QSFP28-4SFP28-DAC-2M 100GBASE-CR4 2m Blue is a passive direct-attach breakout cable engineered for high-density, low-latency interconnects in data center and enterprise networking environments. One end terminates in a QSFP28 connector and the other end splits into four SFP28 connectors, enabling a single 100Gb/s port to be broken out into four independent 25Gb/s links. With a 2 meter length and AWG26 conductor, the cable supports 100GBASE-CR4 and 25GBASE-CR electrical specifications for short-reach copper connections.
Advantages
This breakout cable delivers predictable electrical performance for short-distance high-speed links while avoiding the need for optical transceivers or additional active components. The integrated QSFP28 to 4×SFP28 design simplifies rack cabling and reduces port-count requirements on high-speed switches. Its AWG26 construction provides stable signal integrity and low insertion loss for reliable 100G and 25G connections.
Suitable for
 Data center top-of-rack (ToR) switch to server connectivity
 High-density switch-to-switch aggregation within a rack
 Server NIC breakout to multiple 25GbE ports
 Short-reach interconnects where optical transceivers are not required
Key specifications
 Connector configuration: QSFP28 to 4 × SFP28
 Standards supported: 100GBASE-CR4, 25GBASE-CR
 Length: 2 meters
 Conductor gauge: AWG26
 Cable type: Passive Direct Attach Copper (DAC) breakout
 Typical use: Short-reach, high-speed copper interconnects
How to use
Insert the QSFP28 connector into the 100G-capable QSFP28 port on a switch or NIC and plug the four SFP28 connectors into the corresponding SFP28 ports on the target devices. Ensure ports and devices support passive DAC cables and the relevant 100G/25G electrical interfaces before installation. Route the cable to avoid tight bends and excessive tension; maintain the manufacturer’s minimum bend radius for copper DAC assemblies. No additional power or configuration is required beyond standard port enablement and any switch-level breakout settings.
Usage recommendations
Verify compatibility with the switch or server vendor for passive DAC use in mixed-vendor environments. Use the 2m length for connections within the same rack or adjacent racks to maintain signal integrity; for longer distances consider active copper or optical links. Inspect connectors for dust and damage before insertion and follow proper hot-plug procedures when connecting or disconnecting live ports.

## FAQ

### How much does the Network Cable BlueLAN QSFP28-4SFP28-DAC-2M cost, and is it available for purchase?

The price is 173.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 50 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 27.08.2026 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