# Direct Attach Cable BlueOptics UACC-DAC-QSFP28-2M, QSFP28 to QSFP28, 100GBASE-CR4, 30AWG, 2 m

**URL:** https://aio.lv/en/product--blueoptics-uacc-dac-qsfp28-2m-bl--12263877
**Data updated:** 2026-04-14 22:34 (EEST)
**Category:** Network Cables
**Manufacturer:** BlueOptics
**Manufacturer code:** UACC-DAC-QSFP28-2M-BL
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 105.49 €
**Prices and availability valid until:** 2026-08-24 23:59
**Price without VAT (21%):** 87.18 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-uacc-dac-qsfp28-2m-bl--12263877

## 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

BlueOptics UACC-DAC-QSFP28-2M is a 2 m passive Direct Attach Cable with QSFP28 connectors, supporting 100GBASE-CR4 for high-speed server, switch and storage interconnects. Constructed with 30AWG conductors and compatible with Infiniband EDR signaling, it provides low-latency, short-reach copper connectivity for data center links and aggregation ports.

## Long description

BlueOptics UACC-DAC-QSFP28-2M is a 2 m passive direct attach cable with QSFP28 connectors designed for short-reach 100GBASE-CR4 links. Built with 30AWG conductors and compatible with Infiniband EDR signaling, this cable provides low-latency copper connectivity for server-to-switch, switch-to-switch and storage interconnects in rack and data centre environments.
Advantages
The cable offers a cost-efficient, low-power alternative to optical transceivers for short-distance 100 Gbps connections. Passive construction reduces power consumption and heat compared with active solutions, while QSFP28-to-QSFP28 terminations ensure plug-and-play compatibility with equipment that supports 100GBASE-CR4 or Infiniband EDR electrical interfaces. The 2 m length provides flexibility for cross-rack or within-rack deployments and the 30AWG conductor spec supports compact cable routing in dense installations.
Suitable for
 100 Gbps server-to-switch links inside racks
 Switch-to-switch aggregation and leaf-spine connections at short distances
 High-performance storage interconnects within the same cabinet or adjacent racks
 Environments where low latency and low power consumption are required
When it may not be suitable
This passive DAC is intended for short-reach copper connections and is not suitable for long-distance links or fibre-only infrastructures. It requires QSFP28 ports that support 100GBASE-CR4 or compatible electrical signaling; it will not function where only optical transceivers or different form factors are supported. Environments that require extended reach, harsh environmental protection, or in-line signal boosting should use appropriate optical or active cabling alternatives.
Key specifications
 Connector type: QSFP28 to QSFP28
 Data rate: 100 Gbps (100GBASE-CR4)
 Length: 2 metres
 Conductor gauge: 30 AWG
 Cable type: Passive direct attach copper
 Signalling compatibility: Infiniband EDR electrical signalling compatible
How to use
Insert each QSFP28 connector into the corresponding port on network equipment while ensuring the link partner supports 100GBASE-CR4 electrical interface. Handle the cable by the connector bodies and avoid sharp bends or excessive pulling on the cable bundle; maintain the manufacturer’s minimum bend radius to preserve signal integrity. After seating both ends, verify link status on connected devices and monitor for expected data rates and error counters during initial operation.
What to consider before purchase
 Confirm that both ends of your equipment have QSFP28 ports and support 100GBASE-CR4 or equivalent electrical signalling.
 Verify required cable length—2 m is intended for within-rack or adjacent-rack connections.
 Check compatibility lists or vendor policies if your switch or server enforces vendor-locked cable checks.
 Consider environmental needs; passive DACs are for standard data centre conditions and not designed for outdoor or ruggedised use.
Usage recommendations
Use this BlueOptics QSFP28 DAC for short, high-bandwidth links where power efficiency and low latency are priorities. Route the cable to avoid tight bends, secure it within the rack to prevent strain, and validate link parameters after installation to ensure stable 100 Gbps operation.

## FAQ

### How much does the BlueOptics UACC-DAC-QSFP28-2M Direct Attach 100G cost, and is it available for purchase?

The price is 105.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 269 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