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header-product CBO DAC cable QSFP-40G-C50CM 50 cm passive QSFP+ to QSFP+
80.99 €

CBO DAC cable QSFP-40G-C50CM 50 cm passive QSFP+ to QSFP+

CBO QSFP-40G-C50CM 50 cm passive DAC cable Photo 1
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CBO DAC cable QSFP-40G-C50CM 50 cm passive QSFP+ to QSFP+

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Short description

Passive Direct Attach Copper (DAC) cable CBO QSFP-40G-C50CM is a 50 cm twinax cable with QSFP+ connectors at both ends for 40Gbps links. Designed for short-range server, switch and storage interconnects in data centers, it provides low-latency, energy-efficient connections without external transceivers. Ideal for top-of-rack and intra-rack links.
Available for order: 118 pcs.
Warranty: 2 Years
SKU: 4466301
Manufacturer: BlueOptics
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Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

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Cost

1.89 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
03.08.2026 {{selectedOffer.officeDeliveryString}}
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Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
06.08.2026 {{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
06.08.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Product information

Description

BlueOptics CBO DAC cable QSFP-40G-C50CM is a 50 cm passive QSFP+ to QSFP+ twinax cable engineered for 40 Gbps short-range connections in data centers. The cable integrates QSFP+ connectors on both ends to deliver a direct attach copper link without the need for optical transceivers, making it suitable for low-latency server, switch and storage interconnects across top-of-rack and intra-rack deployments.

Advantages

The passive design provides energy-efficient connectivity with minimal additional components, reducing power consumption compared to transceiver-based links. Its short 50 cm length limits signal attenuation for reliable 40 Gbps performance while keeping latency low. The integrated QSFP+ connectors simplify installation and maintenance, and the twinax construction offers predictable electrical characteristics for consistent channel performance in dense rack environments.

Suitable for

  • Top-of-rack switch to server 40 Gbps connections
  • Intra-rack links between switches and storage arrays
  • Short-range, high-throughput interconnects in data centers
  • Environments prioritizing low latency and energy efficiency

Key specifications

  • Connector type: QSFP+ to QSFP+
  • Nominal data rate: 40 Gbps aggregate
  • Cable type: Passive twinax copper
  • Length: 50 cm
  • Typical use: Short-range server, switch, storage interconnects
  • Latency: negligible for direct-attach copper links

How to use

Insert each QSFP+ connector into the corresponding QSFP+ port on your network device until the latch engages. Ensure ports are powered down or follow hot-plug guidance from device vendors if inserting into live ports. Confirm link negotiation and 40 Gbps operation via the device management interface or LED indicators. For removal, depress the connector latch and pull straight out to avoid stressing the cable or port.

Usage recommendations

Install the cable in rack paths with minimal bends; maintain the manufacturer’s recommended bend radius to preserve signal integrity. Use this passive 50 cm DAC for short-distance links within the same rack or adjacent racks; for longer runs consider active DACs or fiber-based solutions. Verify compatibility with device port specifications and check link status after installation.

Description

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Customer reviews

Customer questions

FAQ

How much does the CBO QSFP-40G-C50CM 50 cm passive DAC cable cost, and is it available for purchase?

The price is 80.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 118 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
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.