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header-product StarTech.com QSFP40GPC05M 0.5m 40G QSFP+ to QSFP+ Passive Direct Attach Copper DAC Twinax Cable
42.99 €

StarTech.com QSFP40GPC05M 0.5m 40G QSFP+ to QSFP+ Passive Direct Attach Copper DAC Twinax Cable

StarTech.com 0.5m 40G QSFP+ to QSFP+ Passive DAC Cable Photo 1
StarTech.com 0.5m 40G QSFP+ to QSFP+ Passive DAC Cable Photo 2
StarTech.com 0.5m 40G QSFP+ to QSFP+ Passive DAC Cable Photo 1
StarTech.com 0.5m 40G QSFP+ to QSFP+ Passive DAC Cable Photo 2
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StarTech.com QSFP40GPC05M 0.5m 40G QSFP+ to QSFP+ Passive Direct Attach Copper DAC Twinax Cable

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Short description

The StarTech.com 0.5m 40G QSFP+ to QSFP+ passive direct attach copper cable is designed for high-speed 40 GbE network connectivity. This twinax DAC cable features MSA uncoded compatibility, ensuring reliable data transmission between switches, routers, and servers. Ideal for short-range data center interconnections, it offers a low-power, cost-effective solution for high-bandwidth networking environments.
Available for order: 10 pcs.
Warranty: 2 Years
SKU: 768447
Manufacturer: StarTech
free shipment

Cheapest delivery:

Venipak Locker LV

Pick-up points

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
23.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
28.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.04 kg)
Parcel couriers
Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
28.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Payment Methods:
Bank transfer
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Product information

Description

The StarTech.com 0.5m 40G QSFP+ to QSFP+ passive direct attach copper cable provides a high-performance, cost-effective solution for 40 GbE network connectivity. Designed for reliability, this twinax DAC cable is MSA compliant and engineered to support seamless data transmission between high-speed networking equipment such as switches, routers, and servers.

Advantages

This passive copper cable offers a significant power and cost advantage over traditional fiber-optic alternatives for short-range connections. Its hot-swappable design ensures that network maintenance, upgrades, and replacements can be performed without interrupting system operations. By utilizing high-quality copper twinax construction, the cable maintains signal integrity while providing a durable and efficient link for high-bandwidth environments.

Suitable for

  • Connecting network switches within the same rack
  • Linking servers to top-of-rack switches
  • High-speed data center interconnections
  • Short-range 40 GbE network deployments

When it may not be suitable

This cable is not suitable for long-distance networking applications, as its passive copper design is limited to short-range connections. It should not be used in environments requiring fiber-optic reach or where electromagnetic interference levels exceed the shielding capabilities of standard twinax cabling.

Key specifications

  • Cable length: 0.5 meters
  • Connector type: QSFP+ to QSFP+
  • Data rate: 40 Gbps
  • Cable type: Passive Direct Attach Copper (DAC) Twinax
  • Color: Black
  • Weight: 0.1 kg

How to use

To install the cable, simply insert the QSFP+ connector into the corresponding port on your networking device until it clicks into place. Because the cable is hot-swappable, you do not need to power down your equipment to install or remove it. Ensure that both connected devices are configured to support 40 GbE QSFP+ connections to achieve optimal performance.

What to consider before purchase

  • Verify that your networking hardware supports QSFP+ ports
  • Ensure the 0.5-meter length is sufficient for your rack layout
  • Confirm that your equipment is compatible with MSA uncoded DAC cables

Usage recommendations

For optimal performance, ensure the cable is not bent beyond its minimum bend radius during installation. Regularly inspect the connectors for dust or debris to maintain a clean signal path.

Specifications

Cable length:
0.5 m
Connector 1:
QSFP+
Connector 2:
QSFP+
Weight:
0.1 kg
Product colour:
Black
All features
InfiniBand protocol:
Yes

Features

Cable length:
0.5 m
Connector 1:
QSFP+
Connector 2:
QSFP+
Product colour:
Black
Plug and Play:
Yes
Data transfer rate:
40000 Mbit/s
Jacket material:
Polyvinyl chloride (PVC)
Connector 1 gender:
Male
Connector 2 gender:
Male

Weight & dimensions

Weight:
0.1 kg

Operational conditions

Storage temperature (T-T):
-40 - 80
Operating temperature (T-T):
0 - 70

Packaging data

Package weight:
110 g
Package depth:
325 mm
Package height:
25 mm
Package width:
250 mm

Logistics data

Master (outer) case height:
295 mm
Master (outer) case width:
255 mm
Master (outer) case length:
344 mm
Products per master (outer) case:
10 pc(s)
Harmonized System (HS) code:
84733080

Certificates

Certification:
CE, FCC, REACH
Compliance certificates:
RoHS

Packaging content

Quantity per pack:
1 pc(s)

Description

Machine translation. Load original

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Customer reviews

Customer questions

FAQ

How much does the StarTech.com 0.5m 40G QSFP+ to QSFP+ Passive DAC Cable cost, and is it available for purchase?

The price is 42.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 23.07.2026 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 StarTech 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 StarTech 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 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.

Where can I download the instructions for StarTech.com 0.5m 40G QSFP+ to QSFP+ Passive DAC Cable?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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.