25G SFP28 DAC Cable – High-Speed Direct Attach Twinax
| Part Number | Product | Data Rate | Length | Temp |
|---|---|---|---|---|
| GL28-DY130xxM | 25G SFP28 to SFP28 DAC | 25Gbps | 0.5~3m | 0~70 ℃ |
| GL28-DY126xxM | 25G SFP28 to SFP28 DAC | 25Gbps | 3~5m | 0~70 ℃ |
- Top-of-Rack (ToR) Switching
- Server-to-Switch Adjacent-Rack Links
- Switch Stacking & Leaf-Spine Fabrics
- High-Performance Computing (HPC) Clusters
- Storage Area Network (SAN) Interconnects
- High-Speed Performance: Achieve seamless 25Gbps data transmission for demanding applications like cloud computing and AI workloads.
- Cost-Effective: Compared to 25G AOC (Active Optical Cables), our 25G passive DAC cables offer lower costs for distances up to 5 meters, making them perfect for budget-conscious data centers.
- Broad Compatibility: Supports major switch brands like Cisco, Juniper, Arista, and Dell, ensuring plug-and-play integration.
- Durable Design: Built with 30AWG Twinax copper and robust SFP28 connectors for long-lasting performance.
Why Choose Us
Direct Factory Production at Competitive Prices: In-house manufacturing with ISO certification ensures premium quality at factory-direct prices.
Comprehensive Testing: 100% quality inspection to maintain superior signal performance.
Global Logistics: Reliable and speedy shipping to customers worldwide.
- Customization Services: Offering personalized cable lengths, unique labels, and packaging to meet your needs.
Performance Comparison & Recommendation
| Feature | 25G DAC Cable | 25G AOC Cable |
|---|---|---|
| Maximum Link Length | 0.5 m – 5 m | 1 m – 100 m |
| Latency | < 0.1 ns | ~ 0.2 ns |
| Power Consumption | ~ 0 W (no active electronics) | 0.5 W – 1.5 W |
| Unit Cost (100 pcs) | Lowest | Highest |
| Recommended Use Case | In-rack / Adjacent-rack connections | Cross-room or Cross-site links |
Recommendation:
For same-rack or adjacent-rack 25G connections where ultra-low latency and minimal cost are critical, choose 25G Passive DAC Twinax.
For distances beyond 7 m or between data halls, 25G AOC Fiber Cable is preferred.
FAQ About 25G Direct Attach Cables
A 25G DAC (Direct Attach Cable) is a passive Twinax cable with SFP28 connectors, used for short-range, high-speed data center connections.
DAC cable are more cost-effective for <5m, while AOC cable suit longer distances.
A wholesale 10G 25G SFP28 DAC cable offers cost-effective, pre-terminated connectivity with fixed low latency and power consumption, making it perfect for data centers and hyperscale environments. Buying in bulk reduces per-unit costs and simplifies inventory management without sacrificing the reliability and performance that enterprise networks demand.
A DAC cable 25G delivers up to 25 Gbps of full-duplex bandwidth with minimal signal loss over short distances (typically up to 5 m), outperforming legacy copper solutions in both speed and electromagnetic interference immunity. Its direct-attach design also eliminates the need for separate transceiver modules, reducing overall power draw and heat generation.
When choosing a 25G SFP28 DAC cable, ensure compatibility with your switch’s SFP28 ports and verify the maximum supported length (usually 1 m to 5 m). Look for industry-standard cable grades (e.g., SFF-8402) and reputable brands that guarantee end-to-end validation and consistent performance across high-density rack deployments.
China 10G 25G SFP28 DAC cable manufacturers often offer highly competitive pricing and rapid production turnaround, making them a smart option for projects with tight budgets or aggressive timelines. Many Chinese suppliers also adhere to global quality standards (CE, RoHS) and provide extensive testing reports to ensure each cable meets or exceeds OEM specifications.
