# Direct attach cable BlueLAN UACC-DAC-QSFP28-3M, QSFP28 to QSFP28, 3 m, 100GBASE-CR4, Infiniband EDR, 26AWG

**URL:** https://aio.lv/en/product--blueoptics-uacc-dac-qsfp28-3m-bl--11646549
**Data updated:** 2026-02-25 16:41 (EET)
**Category:** Network Cables
**Manufacturer:** BlueOptics
**Manufacturer code:** UACC-DAC-QSFP28-3M-BL
**EAN:** 4063232347387
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 134.49 €
**Prices and availability valid until:** 2026-08-26 23:59
**Price without VAT (21%):** 111.15 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-uacc-dac-qsfp28-3m-bl--11646549

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.08.2026 | free |
| Pickup points | 27.08.2026 | 1.79 EUR |
| Courier delivery to door | 27.08.2026 | 4.99 EUR |

## Summary description

BlueLAN UACC-DAC-QSFP28-3M is a 3-meter passive direct attach copper cable with QSFP28 connectors on both ends. It supports 100GBASE-CR4 and Infiniband EDR links and uses 26AWG conductors for short-range high-speed interconnects. Designed for switches, routers and servers, it provides low-latency, power-efficient connectivity for data center and high-performance computing environments.

## Long description

BlueLAN UACC-DAC-QSFP28-3M is a 3 meter passive direct attach copper cable with QSFP28 connectors on both ends. It supports 100GBASE-CR4 and InfiniBand EDR link protocols and is constructed with 26AWG conductors for reliable short-range, high-bandwidth connections. Designed for use in data centers and high-performance computing environments, this cable provides a low-latency, power-efficient physical interconnect between switches, routers and servers.
Advantages
The cable offers native support for 100GBASE-CR4 and InfiniBand EDR, enabling high-throughput 100 Gbps links without requiring optical transceivers. Passive copper construction reduces power consumption compared with active or optical solutions for short distances. QSFP28-to-QSFP28 connectivity ensures compatibility with equipment ports that accept QSFP28 modules, while the 3 m length balances reach and signal integrity for rack- and row-level interconnects. Use of 26AWG conductors provides mechanical flexibility and adequate current-carrying capacity for short-reach data links.
Suitable for
 Interconnecting rack-mounted switches and aggregation devices
 Server-to-switch high-speed uplinks in data centers
 Short-reach links in high-performance computing (HPC) clusters using InfiniBand EDR
 Temporary or permanent 100 Gbps point-to-point connections inside equipment cabinets
Key specifications
 Connector type: QSFP28 to QSFP28
 Cable length: 3 meters
 Supported protocols: 100GBASE-CR4, InfiniBand EDR
 Conductor size: 26 AWG
 Cable type: Passive direct attach copper (DAC)
 Typical application: Short-range, high-bandwidth interconnects in data center environments
How to use
Install the cable by inserting each QSFP28 connector into matching QSFP28 ports on your network devices until the latch engages; ensure ports are powered down or traffic is disabled according to your maintenance procedures if required. Verify link status and negotiated speed through device management interfaces after connection. The cable is intended for direct attachment and does not require separate transceivers or additional configuration beyond standard port settings on compatible equipment.
Usage recommendations
Route the cable to avoid sharp bends and mechanical stress; maintain the manufacturer’s minimum bend radius and avoid kinks. Use the 3 m length for intra-rack or short inter-rack connections where passive DACs meet performance and power objectives. Confirm device compatibility with QSFP28 passive copper cables and check port firmware or vendor compatibility lists if operating near maximum supported distances.

## FAQ

### How much does the Direct attach cable BlueLAN UACC-DAC-QSFP28-3M, cost, and is it available for purchase?

The price is 134.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 312 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 24.08.2026 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