# DAC Cable CBO QSFP28 5m — CBO GDJDJ-BL Direct Attach Copper for 100GbE

**URL:** https://aio.lv/en/product--blueoptics-gdjdj-bl--4470837
**Data updated:** 2026-02-25 16:35 (EET)
**Category:** Network Cables
**Manufacturer:** BlueOptics
**Manufacturer code:** GDJDJ-BL
**EAN:** 4063232009339
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 212.49 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 175.61 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blueoptics-gdjdj-bl--4470837

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

CBO DAC Cable GDJDJ-BL is a 5‑meter QSFP28 direct attach copper (DAC) cable designed for 100GbE connectivity. It provides a fixed copper interconnect between compatible QSFP28 ports for short‑reach links in data centers, switches and servers. The passive cable offers low latency, simplified cabling and plug‑and‑play installation for high‑density networking.

## Long description

The DAC Cable CBO QSFP28 5m — CBO GDJDJ-BL Direct Attach Copper for 100GbE is a 5‑meter passive QSFP28 copper cable designed to provide a fixed electrical connection between compatible QSFP28 ports. Intended for short‑reach links in data centers, switches and servers, the cable supports 100 Gigabit Ethernet links with low latency and plug‑and‑play installation. Its fixed copper design removes the need for transceivers and simplifies high‑density cabling in rack environments.
Advantages
This direct attach copper cable delivers low electrical latency and consistent signal integrity for short distances. The passive QSFP28 construction provides immediate compatibility with ports that accept QSFP28 DACs, enabling simplified installation without additional modules. The 5‑meter length balances reach and manageability for common rack‑to‑rack and shelf‑to‑shelf connections, reducing cable clutter and maintaining predictable performance for 100GbE links.
Suitable for
 Short‑reach 100GbE connections between switches in the same rack or adjacent racks
 Server to top‑of‑rack switch links where QSFP28 ports are available
 High‑density networking environments requiring simple, plug‑and‑play cabling
 Data center aggregation and leaf‑spine topologies with short copper runs
Key specifications
 Interface: QSFP28 to QSFP28 electrical connection
 Data rate: 100 Gigabit Ethernet
 Length: 5 meters
 Cable type: Passive direct attach copper (DAC)
 Use case: Short‑reach, fixed copper interconnect for racks and servers
 Latency: Low electrical latency suitable for high‑performance switching
How to use
Insert each QSFP28 connector into the corresponding QSFP28 port on the networking devices until the latch engages. No additional transceivers or configuration are required for systems that support passive QSFP28 DACs; the link should negotiate at 100GbE automatically when both ports support the same speed and mode. Route the cable to avoid sharp bends and excessive tension, and secure it to maintain airflow and cable management within the rack.
Usage recommendations
Verify compatibility with the switch and server vendor documentation for passive QSFP28 DAC support and any port‑level limitations. Use this 5m active length for intra‑rack or adjacent‑rack connections where passive copper is appropriate; for longer distances, consider optical modules or active cables. Maintain proper bend radius and avoid exposure to heat sources to preserve signal integrity and cable lifetime.

## FAQ

### How much does the CBO QSFP28 DAC Cable 5m GDJDJ-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 27.07.2026 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/4470837/59850471_large.webp