# BlueOptics AT-QSFP2CU-BL InfiniBand/fibre optic cable 2 m QSFP Black

**URL:** https://aio.lv/en/product--blueoptics-at-qsfp2cu-bl--4465083
**Data updated:** 2026-02-25 16:30 (EET)
**Category:** Fiber Optic Cables
**Manufacturer:** BlueOptics
**Manufacturer code:** AT-QSFP2CU-BL
**EAN:** 4063232059884
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 86.99 €
**Prices and availability valid until:** 2026-08-09 23:59
**Price without VAT (21%):** 71.89 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-at-qsfp2cu-bl--4465083

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.08.2026 | free |
| Pickup points | 12.08.2026 | 1.89 EUR |
| Courier delivery to door | 12.08.2026 | 4.99 EUR |

## Summary description

The BlueOptics AT-QSFP2CU-BL is a 2 m InfiniBand/fibre optic cable with QSFP connectors. It features male/male connectors, ensuring reliable and high-speed data transmission for data centers and networking applications.

## Long description

The BlueOptics AT-QSFP2CU-BL is a 2 m QSFP direct attach cable (DAC) designed for short-range, high-speed connections in data centers and network racks. This passive twinax copper cable provides QSFP-to-QSFP male connectors and supports protocols including 40G Ethernet and InfiniBand. It is intended for linking switches, routers, storage systems and other hardware platforms that accept QSFP passive DACs and comply with MSA specifications.
Advantages
The cable is a passive 40G twinax solution with low power consumption and low latency suitable for short-distance links up to 2 meters. Constructed to industry MSA standards, it offers electrical and mechanical interoperability with compatible hardware. Components and assembly follow established quality practices to provide consistent performance for rack-to-rack and in-rack connections.
Suitable for
High-density rack interconnects and adjacent rack links
40G Ethernet and InfiniBand connections between QSFP ports
Switch-to-switch, switch-to-router and switch-to-storage links within 2 m
Data center top-of-rack and spine-leaf short-reach connections
Key specifications
Length: 2 meters
Connector type: QSFP male to QSFP male
Cable type: Passive twinax copper (DAC)
Supported data rate: up to 40 Gbps per cable (protocol-dependent)
Wire gauge: 30 AWG
Compliance: MSA-compatible QSFP DAC electrical and mechanical interface
How to use
Install the BlueOptics AT-QSFP2CU-BL by inserting each QSFP connector into the corresponding QSFP port on the devices to be linked. Ensure both devices support passive QSFP DACs and the selected protocol (for example 40GBase-CR4, InfiniBand or FCoE). Avoid bending the cable beyond recommended limits and confirm firm seating of connectors to maintain reliable electrical contact.
Usage recommendations
Use this 2 m passive QSFP twinax cable for short, high-performance links within racks and between adjacent racks. Verify compatibility with the hardware vendor’s documentation for passive QSFP DAC support and follow standard data-center handling: route the cable to minimize stress, avoid tight bends, and keep connections dust-free.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.15 kg |
| Cable length | 2 m |
| Data transfer rate | 40 Gbit/s |
| Product colour | Black |
| Connector 1 | QSFP |
| Connector 2 | QSFP |
| InfiniBand protocol | Yes |

## FAQ

### How much does the InfiniBand/fibre optic cable BlueOptics AT-QSFP2CU-BL cost, and is it available for purchase?

The price is 86.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 182 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 07.08.2026 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. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/4465083/64290299_large.webp