# Passive SFP28 Twinax DAC cable CBO 0.5 m for 25GbE connections

**URL:** https://aio.lv/en/product--blueoptics-sfp28-dac-05m-zy-bl--4471195
**Data updated:** 2026-02-25 16:35 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** BlueOptics
**Manufacturer code:** SFP28-DAC-0.5M-ZY-BL
**EAN:** 4063232098449
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 58.99 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 48.75 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-sfp28-dac-05m-zy-bl--4471195

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.07.2026 | free |
| Pickup points | 04.08.2026 | 1.89 EUR |
| Courier delivery to door | 04.08.2026 | 4.99 EUR |

## Summary description

Passive SFP28 Direct Attach Copper (DAC) twinax cable by CBO, 0.5 m length, designed for 25GbE short-reach connections between SFP28 ports. Compatible with switches and network devices that accept SFP28 passive DAC modules. Provides low-latency, cost-effective wiring for top-of-rack and server connections where short distance and high throughput are required.

## Long description

Passive SFP28 Twinax DAC cable CBO 0.5 m for 25GbE connections is a short-reach direct attach copper assembly designed for high-throughput links between devices with SFP28 ports. The 0.5 m cable provides a low-latency physical connection suitable for top-of-rack switches, servers and storage systems that support passive SFP28 DAC modules. The design eliminates the need for separate transceivers and fiber, offering a compact, single-cable solution for short-distance 25 Gigabit Ethernet links.
Advantages
This passive SFP28 twinax cable delivers reliable 25GbE connectivity with low electrical latency and stable signal integrity over short distances. It is cost-effective compared with active optics or transceiver-plus-fiber solutions and reduces power consumption because no active signal conversion is required at the cable ends. The integrated design simplifies rack cabling and minimizes space usage while maintaining protocol compatibility with standard SFP28 ports.
Suitable for
Top-of-rack switch to server 25GbE connections
High-density server and storage interconnects in data centers
Short-reach links inside racks or between adjacent racks
Low-latency applications such as virtualization and storage fabrics
Key specifications
Connector type: SFP28 to SFP28 twinax
Nominal data rate: 25 Gigabit Ethernet
Cable length: 0.5 m of direct attach copper twinax
Installation style: passive (no active electronics in cable)
Typical use: short-reach, rack-level interconnects
Compatibility: designed for equipment accepting SFP28 passive DAC modules
How to use
Install the passive SFP28 twinax DAC by inserting each SFP28 connector into the corresponding SFP28 port on your network devices until the latch engages. Verify secure mechanical seating and confirm link status via device LEDs or management interfaces. No additional configuration is required at the physical layer beyond standard port setup on the switch or server. For removal, depress the connector latch and withdraw the module carefully to avoid strain on the cable or ports.
Usage recommendations
Use this 0.5 m passive twinax cable for short, direct 25GbE links within racks or between immediately adjacent racks. Avoid tight bends and excessive pulling; maintain a bend radius consistent with manufacturer guidance. Confirm device compatibility with passive SFP28 DAC modules before deployment and monitor link performance after installation.

## FAQ

### How much does the CBO SFP28 0.5 m passive DAC cable cost, and is it available for purchase?

The price is 58.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 400 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 30.07.2026 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

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