# DAC cable CBO SFP28-DAC-3M 3 m passive copper SFP28 direct-attach

**URL:** https://aio.lv/en/product--blueoptics-sfp28-dac-3m-rw-bl--4471310
**Data updated:** 2026-02-25 16:35 (EET)
**Category:** Fiber Optic Cables
**Manufacturer:** BlueOptics
**Manufacturer code:** SFP28-DAC-3M-RW-BL
**EAN:** 4063232099767
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 83.99 €
**Prices and availability valid until:** 2026-08-13 23:59
**Price without VAT (21%):** 69.41 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-sfp28-dac-3m-rw-bl--4471310

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 11.08.2026 | free |
| Pickup points | 14.08.2026 | 1.89 EUR |
| Courier delivery to door | 14.08.2026 | 4.99 EUR |

## Summary description

CBO SFP28-DAC-3M is a 3-meter passive copper DAC (Direct Attach Cable) with SFP28 connectors designed for high-speed 25GbE links. It provides a low-latency, energy-efficient, and cost-effective connection between switches, servers, and network adapters. Suitable for short-reach rack-to-rack or within-rack interconnects where a reliable 25Gbps physical link is required.

## Long description

CBO SFP28-DAC-3M is a 3-meter passive copper Direct Attach Cable with SFP28 connectors, engineered for 25GbE short-reach links. The cable provides a direct physical connection between compatible SFP28 ports on switches, servers and network adapters, offering low latency and energy-efficient operation without the need for separate transceivers. Its 3 m length is intended for rack-to-rack and within-rack interconnects where a stable 25 Gbit/s physical link is required.
Advantages
The passive DAC design delivers low power consumption and minimal latency compared with optics-based links. Integrated SFP28 connectors simplify installation and reduce component count. The fixed 3 m length reduces cable management complexity in dense rack environments and the copper construction avoids optical transceiver inventory and compatibility concerns. Overall, the cable offers a cost-effective option for establishing reliable 25Gbps links in data centre and server room topologies.
Suitable for
Rack-to-rack short-reach 25 Gigabit Ethernet interconnects
Within-rack connections between top-of-rack switches and servers
Direct connections between network adapters and switches for storage and compute clusters
Environments prioritising low-latency and low-power links
Key specifications
Connector type: SFP28 on both ends
Cable type: Passive copper direct-attach
Data rate: 25 Gbit/s per lane (supporting 25GbE links)
Length: 3 metres
Typical applications: Short-reach interconnects in racks and data centres
How to use
Verify both endpoints have compatible SFP28 ports and support passive DAC connections. With network equipment powered off or following hot-plug guidelines from the vendor, insert each SFP28 connector into the respective port until it latches. Route the 3 m cable to avoid tight bends and mechanical strain, keeping it clear of fans and moving parts. After installation, power up devices or enable the ports and confirm link negotiation and 25GbE status via the switch or host interface.
Usage recommendations
Use this passive DAC for short-distance 25GbE links within racks or between adjacent racks. Avoid exceeding recommended bend radii, protect connectors from contaminants when not in use, and consult equipment vendor documentation for compatibility and hot-plug procedures to ensure reliable operation.

## FAQ

### How much does the CBO SFP28-DAC-3M 3 m passive DAC cable cost, and is it available for purchase?

The price is 83.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 281 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 11.08.2026 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/4471310/59857435_large.webp