Product Type | QSFP+ to 4x SFP+ Breakout DAC Cable |
Cable Type | Passive Twinax Copper |
Cable Length | 5 m (16.4 ft) |
Connector Type (End 1) | QSFP+ |
Connector Type (End 2) | 4x SFP+ |
Hot-Swappable | Yes |
Data Rate | 40 Gbps aggregate (10 Gbps per SFP+ channel) |
Wire Gauge | 30 AWG |
Jacket Type | PVC |
Plating | Gold plated connectors |
Power Consumption | Low-power, passive (no external power required) |
Compatibility | Cisco QSFP-4SFP10G-CU5M compatible and MSA compliant |
Application | Data center, high-speed networking, server interconnects |
StarTech 5m QSFP+ to 4x SFP+ 40Gbps DAC Cable (QSFP4SFP10C5)





Key Benefits

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- Offers seamless Cisco compatibility for Firepower, C9300, and C3850 series switches, simplifying deployment.
- Passive Twinax design provides cost-effective, high-speed 40Gbps interconnects for short distances.
- TAA compliance and lifetime warranty offer long-term value and suitability for regulated procurement.
Product Overview
Cisco QSFP-4SFP10G-CU5M Compatible 5m direct attached breakout cable - 40Gbps Passive Twinax Copper Low Power 1x QSFP+ to 4x SFP+ Pluggable Connector - 40GbE Transceiver Module DAC - Hot-Swappable MSA Lifetime Warranty - Cisco Firepower,C9300,C3850Specifications
Product Overview
Physical & Environmental
Cable Length (Metric) | 5 meters |
Cable Outer Diameter | 6.0 mm |
Minimum Operating Temperature | 0°C |
Maximum Operating Temperature | 70°C |
Humidity (Operating) | 10% to 85% RH (non-condensing) |
Storage Temperature | -40°C to 85°C |
Cloud Management & Licensing
Cloud Managed | No |
Licensing Required | No |
Interfaces
Interface Type | 1 x QSFP+ to 4 x SFP+ |
Number of Ports | 5 (1 QSFP+ connector, 4 SFP+ connectors) |
Data Transfer Rate (per SFP+) | 10 Gbps |
Data Transfer Rate (QSFP+) | 40 Gbps |
Compliance & Origin
Country of Origin | Taiwan |
TAA Compliant | Yes |
RoHS Compliant | Yes |
Certifications | CE, FCC |
UNSPSC Code | 26121609 |
MSA Compliant | Yes |
Advanced Security Features
Secure Boot Support | |
MACsec Encryption | |
Hardware Encryption |