| Product Type | QSFP+ Direct Attach Copper (DAC) Breakout Cable |
| Form Factor | Passive DAC Cable |
| Cable Length | 3 m |
| Cable Technology | Twinax Copper |
| Breakout Type | 1 x QSFP+ to 4 x SFP+ |
| Jacket Material | PVC |
| Product Use | Short-distance high-speed interconnect |
| Compatibility | Compatible with Lenovo networking and server hardware supporting QSFP+ interfaces |
| Power Requirement | Passive (No external power required) |
| Latency | Low latency, optimized for short-range deployment |
Lenovo 3m QSFP+ DAC Break Out Cable (49Y7887)

Key Benefits
AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- Ideal for enterprise and data center environments requiring efficient short-range connectivity
- TAA compliance makes it suitable for use in government and regulated industries
- Direct Attach Copper design simplifies deployment and reduces overall system latency
Product Overview
The Lenovo 3m QSFP+ DAC Break Out Cable (49Y7887) provides a high-performance interconnect for short-distance networking setups, utilizing Direct Attach Copper (DAC) technology. With a QSFP+ connector and a 3-meter reach, it facilitates low-latency data transmission between compatible infrastructure components. TAA compliance and manufacture in Mexico make it suitable for public sector and enterprise deployments. This cable is ideal for short-run backbone links and high-speed data center aggregation where simplified installation and reliability are key.
Specifications
Product Overview
Wireless Features
| Wireless Support |
Compliance & Origin
| Country of Origin | Mexico |
| TAA Compliant | Yes |
| RoHS Compliant | Yes |
| Certifications | CE, FCC, UL |
| Environmental Compliance | REACH, Halogen-Free (non-PVC optional) |
Advanced Security Features
| Encryption Support | |
| Secure Boot or Firmware | |
| Physical Security | Lockable connector design (vendor dependent) |
Interfaces
| Connector A | QSFP+ (Quad Small Form-factor Pluggable Plus) |
| Connector B | 4 x SFP+ (Small Form-factor Pluggable Plus) |
| Connector Plating | Gold-plated contacts |
| Data Transfer Rate | Up to 40 Gbps (QSFP+) / Up to 10 Gbps per SFP+ channel |
| Interface Standard | SFF-8436, SFF-8431 |
| Application | Data center, enterprise networking, inter-rack and intra-rack communication |
| Signal Type | High-speed serial electrical signals |
Physical & Environmental
| Cable Length (Metric) | 3 meters |
| Cable Diameter | Approximately 6 mm |
| Color | Black |
| Operating Temperature | 0°C to 70°C |
| Storage Temperature | -40°C to 85°C |
| Operating Humidity | 10% to 85% RH (non-condensing) |
| Storage Humidity | 5% to 95% RH (non-condensing) |
| Bend Radius | 30 mm minimum |
| Cable Shielding | Foil and braid shielding for EMI protection |
Cloud Management & Licensing
| Cloud Management | |
| Subscription Licensing | |
| Included Management Features |