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header-product DAC cable CBO QSFP28-DAC-0.5M 0.5m compatible with Nokia QSFP28
104.49 €

DAC cable CBO QSFP28-DAC-0.5M 0.5m compatible with Nokia QSFP28

DAC cable CBO QSFP28-DAC-0.5M 0.5m Photo 1
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DAC cable CBO QSFP28-DAC-0.5M 0.5m compatible with Nokia QSFP28

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Short description

Direct attach copper (DAC) cable CBO QSFP28-DAC-0.5M is a 0.5 meter passive twinax cable with QSFP28 connectors compatible with Nokia QSFP28 ports. Intended for short-reach high-speed connections in data centers and network racks, it provides low-latency, energy-efficient links between switches, routers and servers. Easy to install and suitable for 100G QSFP28 interconnects.
Available for order: 226 pcs.
Warranty: 2 Years
SKU: 4466755
Manufacturer: BlueOptics
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Pick-up points

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Cost

1.89 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
07.08.2026 {{selectedOffer.officeDeliveryString}}
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Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
12.08.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.15 kg)
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
12.08.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Product information

Description

Direct attach copper (DAC) cable CBO QSFP28-DAC-0.5M is a 0.5 metre passive twinax cable with QSFP28 connectors compatible with Nokia QSFP28 ports. Designed for short-reach, high-speed links in data centres and network racks, this DAC cable supports 100G QSFP28 interconnects and provides a low-latency, energy-efficient physical connection between switches, routers and servers. The compact 0.5 m length minimises cable clutter and is suitable for adjacent equipment within the same rack or neighbouring racks.

Advantages

This passive twinax cable delivers reliable 100G connectivity with low power consumption and minimal signal processing overhead, resulting in lower latency compared with active optical solutions for short distances. The QSFP28 form factor ensures compatibility with standard QSFP28 ports and hot-pluggable installation, while the robust connectors and shielded twinax construction offer consistent electrical performance and mechanical durability for dense rack deployments.

Suitable for

  • Short-reach 100G links between top-of-rack and spine switches
  • Connections between servers and high-performance network interface cards (NICs)
  • Interconnects in data centre racks and network closets
  • Temporary high-speed links for testing and migration tasks

Key specifications

  • Cable type: passive twinax (direct attach copper)
  • Connector type: QSFP28 on both ends
  • Length: 0.5 metre
  • Data rate: 100 Gbit/s (QSFP28 standard)
  • Latency: low, suitable for short-reach high-performance links
  • Power: passive, no external power required
  • Physical: compact, rack-optimised form factor

How to use

Install the DAC cable by inserting each QSFP28 connector into the corresponding QSFP28 port until the latch engages; no additional tools are required. Ensure both devices are powered down or follow hot-plug guidelines of your equipment vendor if connecting live. Verify link status and speed via the network device management interface after installation. For best results, avoid sharp bends and maintain recommended bend radius to preserve signal integrity.

Usage recommendations

Use this 0.5 m passive QSFP28 DAC cable for short interconnects within the same rack or between adjacent racks. Keep the cable clear of high-heat sources, avoid tight bends near the connectors, and check device firmware compatibility notes for passive twinax support to ensure reliable 100G links.

Description

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Customer reviews

Customer questions

FAQ

How much does the DAC cable CBO QSFP28-DAC-0.5M 0.5m cost, and is it available for purchase?

The price is 104.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 226 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 07.08.2026 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.