# CBO DAC Cable AT-QSFP05CU 5 m Passive Copper QSFP+ direct attach cable

**URL:** https://aio.lv/en/product--blueoptics-at-qsfp05cu-bl--4465077
**Data updated:** 2026-02-25 16:30 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** BlueOptics
**Manufacturer code:** AT-QSFP05CU-BL
**EAN:** 4063232144580
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 70.49 €
**Prices and availability valid until:** 2026-08-07 23:59
**Price without VAT (21%):** 58.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-at-qsfp05cu-bl--4465077

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 05.08.2026 | free |
| Pickup points | 10.08.2026 | 1.89 EUR |
| Courier delivery to door | 10.08.2026 | 4.99 EUR |

## Summary description

Direct Attach Cable (DAC) CBO AT-QSFP05CU is a 5-meter passive copper QSFP+ cable for short-reach high-speed connections. Designed for QSFP+ ports, it provides low-latency, energy-efficient connectivity between switches, servers and storage in racks or data centers. Ideal for 40GbE links where cost-effective, reliable short-distance cabling is required.

## Long description

CBO DAC Cable AT-QSFP05CU 5 m Passive Copper QSFP+ direct attach cable is a 5-metre passive copper interconnect engineered for short-reach 40GbE links. Compatible with QSFP+ ports, this direct attach cable delivers low-latency electrical connectivity between switches, servers and storage within racks and adjacent rack rows. The passive copper design provides energy-efficient signal transmission for high-throughput applications where fibre transceivers are unnecessary and cost-effective, reliable cabling is required.
Advantages
The passive copper QSFP+ direct attach cable offers low latency and stable electrical performance for 40GbE connections while eliminating the need for separate transceivers. Its fixed 5 m length simplifies cable management in data centres and rack environments and reduces power consumption compared with active optical alternatives. The robust connector interfaces support high-density port installations and enable straightforward plug-and-play deployment without additional configuration.
Suitable for
 Short-reach 40 Gigabit Ethernet links inside racks
 Direct server-to-switch and switch-to-switch connections
 High-density data centre interconnects and top-of-rack installations
 Storage area network (SAN) links over short distances
Key specifications
 Interface: QSFP+ to QSFP+ direct attach copper
 Length: 5 metres
 Data rate: suitable for 40GbE applications
 Cable type: passive copper twinax
 Typical use: short-reach, rack-to-rack or within-rack connections
How to use
Install the cable by inserting each QSFP+ connector into the corresponding port on your network equipment until the latch engages. Ensure both devices support passive QSFP+ direct attach copper connections and that ports are rated for 40GbE operation. Route the cable to avoid sharp bends and mechanical stress; maintain recommended bend radius for twinax cables. No additional configuration or external power is required for the cable itself, but verify link settings on connected devices if auto-negotiation does not establish a link automatically.
Usage recommendations
For reliable performance, use this 5 m passive QSFP+ cable for short, fixed-length connections inside racks or between adjacent racks. Avoid installation near strong electromagnetic interference sources and do not exceed the specified bend radius. Check compatibility lists of connected hardware to confirm QSFP+ passive DAC support before deployment.

## FAQ

### How much does the CBO DAC Cable AT-QSFP05CU 5 m QSFP+ cost, and is it available for purchase?

The price is 70.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 118 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 05.08.2026 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

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