| Type | Direct Attach Copper (DAC) Cable |
| Form Factor | Passive Twinax Cable |
| Length | 3 meters |
| Data Rate Supported | 25 Gbps |
| Connector Type | SFP28 to SFP28 |
| Wire Gauge (AWG) | 30 AWG |
| Cable Jacket Material | PVC |
| Conductor Material | Copper |
| Power Consumption | 0 W (passive cable) |
Lenovo 3m Passive 25G SFP28 DAC Cable (7Z57A03558)
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$79.00
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- Direct Attach Cable (DAC) type for high-speed data connections
- SFP28 connector type on both ends
- 3-meter cable length suitable for short-range setups
- Passive cable design lowers power consumption
- Male-to-male connector configuration
- Designed for 25 Gigabit Ethernet applications
Shipping & Returns
Shipping & Returns
All our products can be shipped anywhere in the Continental United States.
Key Benefits
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- Optimized for 25G data transmission, ensuring high throughput in modern network infrastructures
- Passive DAC design helps reduce power and cooling costs in data centers
- Compatible with Lenovo networking hardware, assuring integration and reliability
Product Overview
The Lenovo 3m Passive 25G SFP28 DAC Cable (7Z57A03558) is engineered to meet the stringent demands of high-bandwidth network infrastructures. Featuring SFP28 connectors on both ends in a male-to-male configuration, this direct attach cable (DAC) supports 25 Gigabit Ethernet transmission. As a passive twinax solution, it offers a cost-effective and energy-efficient alternative to active optical cables for short-distance, high-speed interconnects.
With a cable length of 3 meters, it is optimal for rack-to-rack or intra-rack deployments in enterprise data centers, high-performance computing environments, and cluster networks relying on rapid, stable data transport. Its DAC design reduces latency and power consumption compared to other optical solutions, making it ideal for short-distance links between switches, servers, or storage appliances supporting SFP28 ports.
Though specific country-of-origin (COO) and TAA compliance details are not available, the use of trusted Lenovo hardware provides added assurance of compatibility and performance reliability. This cable is best suited for IT professionals seeking dependable connections with reduced total cost of ownership (TCO).
Specifications
Product Overview
Physical & Environmental
| Cable Length | 3 meters |
| Jacket Color | Black |
| Operating Temperature | 0°C to 70°C |
| Storage Temperature | -40°C to 85°C |
| Humidity (Operating) | 10% to 85% (non-condensing) |
| Humidity (Storage) | 5% to 95% (non-condensing) |
| Bend Radius | 35 mm minimum |
| Cable Diameter | 4.5 mm approx. |
| Storage Altitude | Up to 15,000 m |
Cloud Management & Licensing
| Cloud Management Support | Not applicable |
| Software Licensing Required | No |
Interfaces
| Interface Type | SFP28 |
| Connector 1 | SFP28 Male |
| Connector 2 | SFP28 Male |
| Port Compatibility | SFP28-enabled switch, NIC, or server port |
| Protocol Support | 25 Gigabit Ethernet |
| Backward Compatibility | 10 Gigabit Ethernet via auto-negotiation |
| Hot-Pluggable | Yes |
Compliance & Origin
| TAA Compliant | |
| Country of Origin | |
| RoHS Compliant | Yes |
| CE Certified | Yes |
| ECCN | 5A991 |
| HTS Code | 8544.42.9090 |
| UL Certified | Yes |
Advanced Security Features
| MACsec Encryption Support | No |
| Secure Boot Support | Not applicable |
