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

**URL:** https://aio.lv/en/product--startech-qsfp40gpc05m--768447
**Data updated:** 2026-06-23 14:54 (EEST)
**Category:** Network Cables
**Manufacturer:** StarTech
**Manufacturer code:** QSFP40GPC05M
**EAN:** 0065030875394
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 42.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 35.53 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--startech-qsfp40gpc05m--768447

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary 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.

## Long 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

| Feature | Value |
|---|---|
| InfiniBand protocol | Yes |

### Features

| Feature | Value |
|---|---|
| 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

| Feature | Value |
|---|---|
| Weight | 0.1 kg |

### Operational conditions

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -40 - 80 |
| Operating temperature (T-T) | 0 - 70 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 110 g |
| Package depth | 325 mm |
| Package height | 25 mm |
| Package width | 250 mm |

### Logistics data

| Feature | Value |
|---|---|
| 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

| Feature | Value |
|---|---|
| Certification | CE, FCC, REACH |
| Compliance certificates | RoHS |

### Packaging content

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

## 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. More information about warranty service: https://aio.lv/en/warranty

### 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.

## Image

https://aio.lv/img/cache/product/768447/64085139_large.webp