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header-product BlueOptics InfiniBand/fibre optic DAC cable 1 m QSFP-DD to 2x QSFP56 Black
163.49 €

BlueOptics InfiniBand/fibre optic DAC cable 1 m QSFP-DD to 2x QSFP56 Black

BlueOptics DAC cable 1 m QSFP-DD to 2x QSFP56 Photo 1
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BlueOptics InfiniBand/fibre optic DAC cable 1 m QSFP-DD to 2x QSFP56 Black

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BlueOptics InfiniBand/fibre optic DAC cable 1 m QSFP-DD to 2x QSFP56 Black

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Short description

BlueOptics DAC passive cable for high-speed InfiniBand and fibre optic connectivity. Length 1 m, black, with QSFP-DD connector on one end and two QSFP56 connectors on the other. Designed for direct-attach connections between QSFP-DD and dual QSFP56 ports in switches, servers or adapters; suitable for short-reach data center interconnects.
Available for order: 11 pcs.
Warranty: 2 Years
SKU: 12242602
Manufacturer: BlueOptics
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
03.08.2026 {{selectedOffer.officeDeliveryString}}
free
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: 0.35 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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Payment Methods:
Bank transfer
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Product information

Description

BlueOptics InfiniBand/fibre optic DAC cable 1 m QSFP-DD to 2x QSFP56 Black is a passive direct-attach copper cable designed for short-reach, high-bandwidth connections in data centres and server racks. It features a single QSFP-DD connector on one end and two QSFP56 connectors on the other, enabling a 400 Gbit/s link or two 200 Gbit/s lanes where hardware and protocols support these modes. The cable is 1 metre long, black, and intended for direct connections between switches, servers, adapters or neighbouring rack equipment following common MSA physical interface conventions.

Advantages

The passive DAC design provides low-latency, high-throughput connectivity without additional transceivers or optical modules. A single-cable solution with QSFP-DD to dual QSFP56 terminations simplifies cabling between devices that support 400GBase-CR8 or 2x200GBase-CR4 topologies. The fixed 1 m length reduces clutter in rack environments while offering consistent electrical characteristics for short-distance interconnects. Compatibility with standard QSFP-DD and QSFP56 form factors ensures straightforward installation in supported ports.

Suitable for

  • Short-reach connections between switches and servers within the same rack or adjacent racks
  • High-performance InfiniBand or Ethernet links requiring 400G or dual 200G lanes
  • Top-of-rack and aggregations where passive twinax cabling is preferred

Key specifications

  • Cable type: Direct Attach Copper (DAC), passive
  • Length: 1 m
  • Connector configuration: QSFP-DD (single) to 2× QSFP56
  • Maximum aggregated data rate: up to 400 Gbit/s (or 2×200 Gbit/s depending on host and switch support)
  • Colour: Black
  • Weight: 0.35 kg

How to use

Insert the QSFP-DD connector into a compatible QSFP-DD port and the two QSFP56 connectors into their respective QSFP56 ports on the target device. Ensure both endpoints support the desired link configuration (400GBase-CR8 or 2x200GBase-CR4) and that firmware or driver settings on network adapters and switches are configured for the expected lane and speed negotiation. Handle the cable by the connector housings during insertion and removal to avoid strain on the assembly, and route the cable to avoid sharp bends or crushing within the rack.

Usage recommendations

Use this passive DAC for short-distance, high-bandwidth links inside racks or between adjacent racks. Verify host and switch compatibility with QSFP-DD to dual QSFP56 passive connections and confirm support for 400G or split-200G modes in device documentation before deployment. Avoid extended distances beyond typical DAC range and operate within the environmental limits specified by connected hardware.

Specifications

Cable type:
DAC
Cable length:
1 m
Connector 1:
QSFP-DD
Connector 2:
2x QSFP56
Weight:
0.35 kg
Product colour:
Black
All features
Data transfer rate:
400 Gbit/s
InfiniBand protocol:
Yes

Features

Cable length:
1 m
Cable type:
DAC
Connector 1:
QSFP-DD
Connector 2:
2x QSFP56
Product colour:
Black
AWG wire size:
26
Connector 1 gender:
Male
Connector 2 gender:
Male
Cable shape:
Round

Weight & dimensions

Weight:
0.35 kg

Operational conditions

Operating temperature (T-T):
0 - 70

Packaging data

Package weight:
360 g
Package type:
Polybag

Logistics data

Warranty period:
5 year(s)

Packaging content

Quantity per pack:
1 pc(s)

Certificates

Compliance certificates:
RoHS, Federal Communications Commission (FCC), CE

Description

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Customer reviews

Customer questions

FAQ

How much does the BlueOptics DAC cable 1 m QSFP-DD to 2x QSFP56 cost, and is it available for purchase?

The price is 163.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 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.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: cable type, cable length, connector 1, connector 2, weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
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.