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Empty image Network Cable BlueLAN QSFP28-4SFP28-DAC-2M QSFP28 to 4x25GBASE-CR SFP28 Direct Attach 2m Blue
173.49 €

Network Cable BlueLAN QSFP28-4SFP28-DAC-2M QSFP28 to 4x25GBASE-CR SFP28 Direct Attach 2m Blue

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Network Cable BlueLAN QSFP28-4SFP28-DAC-2M QSFP28 to 4x25GBASE-CR SFP28 Direct Attach 2m Blue

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Short description

The BlueLAN QSFP28-4SFP28-DAC-2M is a passive Direct Attach Breakout Cable designed for high-speed data transfer. 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 gauge, this cable ensures reliable performance and minimal signal loss, making it ideal for data centers and high-performance computing environments.
Available for order: 50 pcs.
Warranty: 2 Years
SKU: 10894289
Manufacturer: BlueOptics
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Pick-up points

Unisend LV

Cost

1.79 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
27.08.2026 {{selectedOffer.officeDeliveryString}}
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01.09.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.25 kg)
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Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
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From 1.79 €
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Product information

Description

The BlueLAN QSFP28-4SFP28-DAC-2M is a passive direct attach breakout cable engineered for short-reach, high-bandwidth interconnects. It combines a single QSFP28 plug with four SFP28 plugs to deliver 100G to 4×25G connectivity in a compact 2 m assembly. Constructed with AWG26 conductors and designed for 100GBASE-CR4 and 25GBASE-CR operation, the cable provides a low-latency, low-loss link suitable for top-of-rack switches, server uplinks and aggregation ports within racks and rows.

Advantages

The cable offers a cost-effective, low-power alternative to optical transceivers for short-distance links while preserving full 25 G per lane performance. Passive construction reduces complexity and eliminates the need for external power, and the QSFP28 to 4×SFP28 breakout format simplifies migration from 25G to 100G architectures. With AWG26 wiring and a controlled electrical design, the assembly minimises insertion loss and crosstalk for reliable signal integrity over the specified length.

Suitable for

  • Top-of-rack switch to server high-speed uplinks
  • Switch-to-switch connections inside the same rack or adjacent racks
  • Aggregation links for high-performance computing and storage arrays
  • Data centre patching where 100G to 4×25G breakout is required

Key specifications

  • Connector type: QSFP28 to 4×SFP28 passive breakout
  • Supported standards: 100GBASE-CR4 and 25GBASE-CR
  • Length: 2 metres
  • Conductor gauge: AWG26
  • Cable type: Passive direct attach copper (DAC)
  • Typical use: Short-reach rack and row interconnects

How to use

Insert the QSFP28 plug into the 100G-capable QSFP28 port on your switch or host and connect the four SFP28 plugs to the corresponding 25G SFP28 ports on target devices. Ensure ports are rated for passive DAC use and that firmware or interface settings support 100GBASE-CR4 and 25GBASE-CR operation. Handle the cable by the connectors and avoid tight bends at the connector junctions; maintain the specified 2 m routing to prevent excess strain. No external power or configuration of the cable is required beyond verifying link settings on the connected equipment.

Usage recommendations

Use the cable for short-distance, high-bandwidth connections inside racks or between adjacent racks only. Verify compatibility with switch vendor guidelines for passive QSFP28-to-SFP28 breakout cables and confirm port mapping and lane configurations before deployment to ensure expected data rates and link stability.

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Customer reviews

Customer questions

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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.