# Cable QSFP+ Cisco QSFP-H40G-CU3M 3 m Black

**URL:** https://aio.lv/en/product--cisco-qsfp-h40g-cu3m--3680668
**Data updated:** 2025-12-29 13:43 (EET)
**Category:** Network Cables
**Manufacturer:** Cisco
**Manufacturer code:** QSFP-H40G-CU3M
**EAN:** 0882658439773
**Warranty:** 3 Months
**Availability:** Out of stock

## Summary description

The Cisco QSFP-H40G-CU3M is a 3-meter QSFP+ cable designed for high-speed data transmission. It features QSFP+ connectors on both ends, ensuring compatibility with various networking equipment. This cable is ideal for connecting switches, routers, and servers in data centers, providing reliable performance and low latency. Its durable construction ensures longevity and stability in demanding environments.

## Long description

The Cisco QSFP-H40G-CU3M is a 3 m QSFP+ passive copper cable that provides a direct electrical connection between two QSFP+ ports. It supports 40-Gigabit Ethernet by carrying four independent 10-Gigabit channels within a single QSFP+ assembly. The cable is hot-swappable and intended for short-reach interconnections in switches, routers, servers and other data center equipment where a high-density 40G link is required.
Advantages
This QSFP+ cable delivers a compact, low-latency 40G interconnect without the need for optical transceivers, offering cost-effective short-reach connectivity. The integrated QSFP+ connectors ensure compatibility with equipment that accepts QSFP+ modules and allow direct links or breakouts to four 10G channels when used with appropriate breakout assemblies. Its 3 m length suits typical rack-to-rack or within-rack connections and the passive copper construction provides reliable electrical performance for data center applications.
Suitable for
Short-reach 40G connections between switches and routers in data centers
Direct server-to-switch or switch-to-switch links within the same rack or adjacent racks
Breakout to four 10G SFP+ channels when used with compatible hardware
Key specifications
Brand: Cisco
Model / MPN: QSFP-H40G-CU3M
Length: 3 m
Connector type: QSFP+ to QSFP+ (passive copper)
Data rate: 40 Gigabit Ethernet (4 × 10G channels)
Use case: Short-reach, direct-attach copper cable for data center interconnects
EAN: 0882658439773
How to use
Insert each QSFP+ connector into the QSFP+ port on the devices to be connected, ensuring the connector latch is engaged. The cable is hot-swappable; it can be connected or disconnected while equipment is powered, but follow your organization's change-control procedures. For breakout use, connect the QSFP+ end to a compatible breakout module or switch port capable of splitting the four channels into separate 10G SFP+ ports.
Использование — рекомендации
Для стабильной работы размещайте кабель без резких изгибов и избегайте натяжения. Проверяйте совместимость портов и прошивку оборудования при установке в сетевые устройства.

## Specifications

| Feature | Value |
|---|---|
| Data transfer rate | 40 Gbit/s |
| InfiniBand protocol | Yes |

### Features

| Feature | Value |
|---|---|
| Cable length | 3 m |
| Connector 1 | QSFP+ |
| Connector 2 | QSFP+ |
| Product colour | Black |

## FAQ

### 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 Cisco 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 Cisco 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, 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.

## Image

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