# Network Cable BlueLAN DAC-QSFP-4SFP28-25G-2M QSFP28 to 4x25GBASE-CR SFP28 2M Blue

**URL:** https://aio.lv/en/product--blueoptics-dac-qsfp-4sfp28-25g-2m-bl--10894265
**Data updated:** 2026-03-07 18:09 (EET)
**Category:** Network Cables
**Manufacturer:** BlueOptics
**Manufacturer code:** DAC-QSFP-4SFP28-25G-2M-BL
**EAN:** 4063232008059
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 173.49 €
**Prices and availability valid until:** 2026-08-28 23:59
**Price without VAT (21%):** 143.38 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-dac-qsfp-4sfp28-25g-2m-bl--10894265

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.08.2026 | free |
| Pickup points | 01.09.2026 | 1.79 EUR |
| Courier delivery to door | 01.09.2026 | 4.99 EUR |

## Summary description

The BlueLAN DAC-QSFP-4SFP28-25G-2M is a passive direct attach breakout cable designed for high-speed data transfer. It features a QSFP28 connector on one end and four SFP28 connectors on the other, supporting 100GBASE-CR4 and 25GBASE-CR standards. With a length of 2 meters and AWG26 gauge, it ensures reliable performance and flexibility in data center environments. Ideal for connecting switches and servers, this cable provides a cost-effective solution for high-bandwidth applications.

## Long description

The BlueLAN DAC-QSFP-4SFP28-25G-2M is a passive direct attach copper breakout cable engineered for high-speed data transmission in rack and data center environments. One end terminates in a QSFP28 connector and the other end breaks out into four SFP28 connectors, enabling aggregation of four 25 Gbps links or a single 100 Gbps link over a short-reach copper assembly. The 2 meter length and AWG26 conductor gauge deliver predictable signal integrity and low latency for short-distance interconnects between switches, servers and storage systems.
Advantages
This breakout cable offers a compact, low-power alternative to optical transceivers and fiber assemblies for short-reach connections. Passive construction reduces power consumption and heat generation compared with active or optical modules, while the integrated breakout simplifies cabling by combining four 25G links into a single QSFP28 port. The 2 m length is suitable for top-of-rack and adjacent-rack connections and the AWG26 copper conductors provide mechanical flexibility and consistent impedance matching for reliable performance.
Suitable for
 Aggregating four 25GBASE-CR links into one 100GBASE-CR4 port
 Direct connections between QSFP28 switch ports and multiple SFP28 server or NIC ports
 Top-of-rack switch to server interconnects within the same rack or adjacent racks
 Short-reach, high-bandwidth links in data centers and server rooms
Key specifications
 Connector types: QSFP28 to 4 × SFP28
 Supported standards: 100GBASE-CR4 and 25GBASE-CR
 Length: 2 meters
 Conductor gauge: AWG26
 Passive direct attach (no active electronics)
 Typical use: short-reach copper breakout cable for high-density interconnects
How to use
Insert the QSFP28 end into the QSFP28 port on a compatible switch or aggregation device and connect each SFP28 plug into the corresponding SFP28 ports on target servers, NICs or storage devices. Ensure ports are disabled or in a safe state during installation if required by your hardware vendor, then enable and verify link status from the connected devices. No external power or configuration is required by the cable itself; link negotiation and speed settings are managed by the host devices according to supported standards.
Usage recommendations
 Use the cable for short-distance interconnects up to 2 m inside racks or between adjacent racks. Verify vendor compatibility for passive DACs with your network equipment and check that device firmware and port settings support 25G and 100G breakout modes. Avoid tight bends and excessive pulling force on the cable; maintain manufacturer-recommended bend radius and secure connectors to prevent accidental disconnection.

## FAQ

### How much does the Network Cable BlueLAN DAC-QSFP-4SFP28-25G-2M cost, and is it available for purchase?

The price is 173.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 50 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 27.08.2026 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