# Direct Attach Breakout Cable BlueOptics QDD-4X100G-2M, QSFP-DD to 4×QSFP56, 400GBASE-CR4 to 4×100GBASE-CR, 2 m, AWG26

**URL:** https://aio.lv/en/product--blueoptics-qdd-4x100g-2m-bl--12242598
**Data updated:** 2026-04-01 09:49 (EEST)
**Category:** Network Cables
**Manufacturer:** BlueOptics
**Manufacturer code:** QDD-4X100G-2M-BL
**EAN:** 4063232315409
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 407.49 €
**Prices and availability valid until:** 2026-08-26 23:59
**Price without VAT (21%):** 336.77 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-qdd-4x100g-2m-bl--12242598

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 25.08.2026 | free |
| Pickup points | 28.08.2026 | 1.79 EUR |
| Courier delivery to door | 28.08.2026 | 4.99 EUR |

## Summary description

BlueOptics QDD-4X100G-2M is a passive QSFP-DD to 4×QSFP56 direct attach breakout cable offering 400GBASE-CR4 to four 100GBASE-CR links. The 2 meter, AWG26 copper assembly provides electrical breakout for short-reach high-density interconnects between switches, routers and servers supporting Quad 100G channels. Use cases include top-of-rack aggregation, spine-leaf links and in-rack switch connectivity where low-latency, short-distance copper connectivity is required.

## Long description

BlueOptics QDD-4X100G-2M is a passive direct attach breakout cable that converts a single QSFP-DD 400GBASE-CR4 interface into four separate QSFP56 100GBASE-CR links. The cable is a 2 meter assembly using AWG26 copper, designed for short-reach electrical connections in high-density networking environments. It provides a compact, low-latency solution for interconnecting switches, routers and servers where Quad 100G channels are required.
Advantages
The passive QSFP-DD to 4×QSFP56 breakout design offers simple, cable-based electrical segregation of 400G into four 100G lanes without the need for active modules or external power. The AWG26 copper conductors deliver predictable signal integrity for short-distance links while keeping cost and power consumption low. The 2 m length balances reach and manageability for rack and row cabling, and the form factor supports high-density installations with minimal port fan-out complexity.
Suitable for
 Top-of-rack aggregation between leaf and spine switches
 Spine-to-leaf links in data centre fabric
 In-rack switch-to-server or switch-to-switch connectivity
 High-density switch deployments requiring Quad 100G channels
Key specifications
 Connector type: QSFP-DD (single end) to 4 × QSFP56 (breakout ends)
 Cable type: Passive copper direct attach breakout
 Data rates supported: 400GBASE-CR4 to 4 × 100GBASE-CR
 Length: 2 meters
 Conductor gauge: AWG26
 Reach: short-reach electrical interconnect for rack and adjacent rack connections
 Latency: low, passive electrical path
How to use
Insert the QSFP-DD end into the 400G port on the originating switch, router or server and plug each QSFP56 breakout connector into the corresponding 100G ports on target devices. Ensure both ends are correctly seated and that connected devices support passive direct-attach breakout connections and the corresponding link speeds. Route the cable to avoid sharp bends and excessive tension; the assembly is intended for short-distance patching within racks or between adjacent racks.
Usage recommendations
 Verify compatibility with device firmware and port settings before deployment. Use this passive breakout cable where short-reach, low-latency and cost-effective 400G-to-4×100G split is required. Avoid exposure to high electromagnetic interference environments and maintain bend radius guidelines to preserve signal integrity.

## FAQ

### How much does the BlueOptics QDD-4X100G-2M QSFP-DD to 4×QSFP56 cable cost, and is it available for purchase?

The price is 407.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 19 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 25.08.2026 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