Cisco QSFP-4X10G-AC10M — 40G to 4x10G Active Copper Breakout Cable

Save up to 80% over new list price on this genuine Cisco QSFP-4X10G-AC10M 40GBASE-CR4 QSFP+ to 4x 10GBASE-CU SFP+ direct-attach breakout cable. Professionally refurbished and backed by Reef Telecom's industry-leading 10-year warranty, this cable delivers reliable 40G-to-4x10G connectivity for data centers and enterprise networks.

Key Specifications

• Part Number: QSFP-4X10G-AC10M
• Cable Type: 40GBASE-CR4 Active Copper Twinax Breakout (DAC)
• Connector 1: 1x QSFP+ (40G)
• Connector 2: 4x SFP+ (10G each)
• Cable Length: 10 meters (32.81 ft)
• Channels: 4 independent duplex 10Gbps channels
• Power Supply: 3.3V single supply
• Housing: Durable metal construction
• Operating Temperature: 0°C to 70°C
• MSA Compliant: SFF-8436

Platform Compatibility

The Cisco QSFP-4X10G-AC10M is supported on a wide range of Cisco platforms including Nexus 3000, 5000, 6000, 7000, and 9000 series switches, as well as Catalyst 9200, 9300L, and 9500 series. Connects a 40G QSFP+ port on one end to four 10G SFP+ ports on the other — ideal for cost-effective rack-to-rack and intra-rack connectivity in data center environments.

Why Buy from Reef Telecom?

• ✅ 10-Year Warranty — the longest in the industry
• ✅ Free Shipping on orders over $300
• ✅ Fully tested and certified refurbished
• ✅ Environmentally responsible — extend equipment lifecycle

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.