# DAC Cable BlueOptics DAC-Q28-100G-5M-BL QSFP28 5m Male/Male

**URL:** https://aio.lv/en/product--blueoptics-dac-q28-100g-5m-bl--4470673
**Data updated:** 2026-02-25 16:35 (EET)
**Category:** Fiber Optic Cables
**Manufacturer:** BlueOptics
**Manufacturer code:** DAC-Q28-100G-5M-BL
**EAN:** 4063232642628
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 212.49 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 175.61 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-dac-q28-100g-5m-bl--4470673

## 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

The BlueOptics DAC-Q28-100G-5M-BL is a 5m DAC cable with QSFP28 connectors for high-speed data transfer. It features male/male connectors, ensuring compatibility with various devices. Ideal for data centers and high-performance computing environments.

## Long description

The BlueOptics DAC-Q28-100G-5M-BL is a 5-metre direct attach copper (DAC) cable with QSFP28 male-to-male connectors designed for short-range 100G links in racks and between adjacent racks. It supports 100GBase-CR4 electrical signaling and is suitable for high-density network environments such as data centers, high-performance computing clusters and storage interconnects. The cable is a passive twinax copper assembly with 26 AWG conductors and follows MSA-compliant QSFP28 mechanical and electrical interfaces for broad platform compatibility.
Advantages
This DAC cable provides a low-latency, low-power and cost-effective solution for 100 Gbps short-reach connections. As a passive twinax assembly, it does not require additional transceivers or external power, reducing total deployment cost and complexity. Its QSFP28-to-QSFP28 male connectors and industry-standard signalling enable easy integration with switches, routers and storage systems that accept QSFP28 passive DACs. The 5 m length balances reach and cable management in rack and adjacent-rack topologies.
Suitable for
Short-range 100G connections between switches in the same rack or adjacent racks
High-performance computing clusters and server-to-switch links
Storage area network interconnects and high-throughput server links
Environments requiring low latency and low power interconnects
Key specifications
Connector type: QSFP28 male to QSFP28 male
Data rate: up to 100 Gbps (100GBase-CR4)
Cable type: passive twinax copper
Length: 5 metres
Wire gauge: 26 AWG
Compliant with QSFP28 MSA mechanical and electrical profiles
Typical applications: Ethernet, FCoE, Fibre Channel, InfiniBand (up to 100G)
How to use
Install the cable by inserting each QSFP28 male connector into the corresponding QSFP28 port on your network devices until the connector latch engages. Ensure both connected devices support passive QSFP28 DACs and the 100GBase-CR4 electrical interface. Route the cable to avoid sharp bends and excessive strain; maintain minimum bend radius as specified by the system vendor. The cable is plug-and-play with no additional configuration required at the physical layer beyond verifying link settings on connected equipment.
Usage recommendations
Verify equipment compatibility and firmware requirements before deployment. For optimal signal integrity, use this 5 m passive DAC for connections within racks or between adjacent racks; for longer distances consider active DACs or optical transceivers and fiber. Handle connectors by the housing, keep connector interfaces clean, and avoid kinking or pulling on the cable to maintain performance and service life.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.15 kg |
| Package weight | 160 g |
| Cable length | 5 m |
| Data transfer rate | 100 Gbit/s |
| Product colour | Black, Silver |
| Connector 1 | QSFP28 |
| Connector 2 | QSFP28 |
| InfiniBand protocol | Yes |

## FAQ

### How much does the DAC Cable BlueOptics DAC-Q28-100G-5M-BL 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 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

https://aio.lv/img/cache/product/4470673/64300517_large.webp