40G High Speed Cable (DAC) QSFP+ to QSFP+ direct attach cable operates over passive copper available in lengths of between 0.5-10m. It is suitable for short reach connection between two QSFP+ ports in 40G interconnecting networking applications. It consists of a shielded twinax copper cable with pluggable connectors on either end.
● Product origin: China
● Delivery time: 7 -10 workdays
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• Hot-plug swappable
• 3X Port Density over SFP/SFP+
• Optimized NEXT & Return Loss
• Low-cost and low-power solution compared to fiber optic cable
• Compliant with QSFP+ MSA and SFF-8436
• Compliant with IEEE 802.3ba/ Infiniband QDR specifications
• Enhanced EMI/EMC performance
• Supports serial ID functionality through EEPROM
• Passive cable assembly supports a distance up to 7 meters
• 30AWG to 24AWG cable sizes available
• RoHS compliant and Halogen-Free option available
• Switches/Routers/HBAs/SAN, NIC cards
• Server & Storage Devices
• Data Center Networking
• High Performance Compute
Q1: What is a 100G QSFP28 DAC Cable?
A1: A 100G QSFP28 DAC (Direct Attach Copper) Cable is a high-speed copper cable assembly with QSFP28 connectors on both ends, designed for 100GbE short-range connections between switches, servers, and storage systems.
Q2: Are DAC cables plug-and-play?
A2: Yes. Most DAC cables are plug-and-play and require no configuration. Once connected, the devices automatically negotiate the link speed.
Q3: Is QSFP28 DAC Compatible with Cisco / Arista / Mellanox?
A3: Yes, most manufacturers offer vendor-compatible QSFP28 DAC cables, including:
Q4: What is the Maximum Distance for 25G SFP28 DAC?
A4: Typical supported distances include:
