# Direct Attach Copper (DAC) Cable CBO QSFP28-DAC-5M 5m Passive 40Gbps QSFP28

**URL:** https://aio.lv/en/product--blueoptics-qsfp28-dac-5m-mr-bl--4467137
**Data updated:** 2026-02-25 16:32 (EET)
**Category:** Fiber Optic Cables
**Manufacturer:** BlueOptics
**Manufacturer code:** QSFP28-DAC-5M-MR-BL
**EAN:** 4063232102474
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 212.49 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 175.61 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-qsfp28-dac-5m-mr-bl--4467137

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 31.07.2026 | free |
| Pickup points | 05.08.2026 | 1.89 EUR |
| Courier delivery to door | 05.08.2026 | 4.99 EUR |

## Summary description

CBO QSFP28-DAC-5M is a 5 m passive Direct Attach Copper (DAC) cable with QSFP28 connectors, designed for 40Gbps short-reach interconnects. It provides a low-latency, cost-effective link between QSFP28 ports in switches, routers and servers. Suitable for data center rack-to-rack or within-rack connections where passive copper reliability and compact cabling are required.

## Long description

CBO QSFP28-DAC-5M is a 5 metre passive Direct Attach Copper (DAC) cable with QSFP28 connectors, engineered for 40Gbps short-reach interconnects. It provides a low-latency, point-to-point copper link suitable for connecting QSFP28 ports in switches, routers and servers. The cable is intended for data centre rack-to-rack or within-rack connections where a compact, cost-effective and reliable copper solution is required.
Advantages
The passive DAC design delivers low power consumption and minimal signal processing, resulting in low latency and predictable performance. Using QSFP28 connectors ensures compatibility with standard 40Gbps QSFP28 ports while keeping a compact cable profile that simplifies cabling in dense racks. The 5 m length balances flexibility and clean cable management for short to medium interconnect spans without the need for optical transceivers.
Suitable for
 Short-reach connections between switches in the same rack or adjacent racks
 Direct server-to-switch links requiring 40Gbps bandwidth
 High-density rack installations where compact cabling is needed
 Cost-sensitive deployments that favour passive copper over active optics
Key specifications
 Connector type: QSFP28 to QSFP28
 Maximum data rate: 40 Gbps (aggregate)
 Cable type: Passive Direct Attach Copper (DAC)
 Length: 5 metres
 Typical applications: short-reach interconnects for data centres and enterprise networks
 Physical: compact round cable suitable for dense rack routing
How to use
Install the QSFP28-DAC-5M by aligning each QSFP28 connector with the corresponding port on your switch, router or server and firmly inserting until the latch engages. No optical transceivers or additional power sources are required. When removing the cable, release the connector latch and withdraw straight out to avoid damaging the port. Ensure system firmware and port settings support 40Gbps DAC connections and verify link status via device management interfaces after insertion.
Usage recommendations
For optimal performance, use the cable within its specified 5 m length and avoid tight bends or kinks; maintain bend radii recommended by equipment vendors. Reserve DAC cabling for short-distance links inside racks or between adjacent racks, and consider active or optical solutions for longer runs or when electrical isolation is required. Verify compatibility with your network equipment and, when possible, update device firmware to the latest stable version before deployment.

## FAQ

### How much does the CBO QSFP28-DAC-5M 5m QSFP28 DAC Cable cost, and is it available for purchase?

The price is 212.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 356 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 31.07.2026 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 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/4467137/59858151_large.webp