QSFP-H40G-CU5M

QSFP-H40G-CU5M is a Cisco original 5-meter 40G QSFP+ Passive Direct Attach Copper Twinax Cable (DAC). It is a high-speed, cost-effective solution for short-reach 40GBASE-CR4 connections within data center racks and between adjacent cabinets. Engineered for high-density environments, it delivers 40Gbps full-duplex transmission with zero power consumption, ultra-low latency, and superior signal integrity

Key Features & Benefits

40Gbps High-Speed TransmissionAggregate 40Gbps (4×10Gbps channels) full-duplex, compliant with IEEE 802.3ba 40GBASE-CR4 and QSFP+ MSA (SFF-8436) standards.
Passive Copper DesignPassive twinax cable with 0W power consumption, maximizing energy efficiency. Lowest-cost, lowest-latency option for short-reach 40G links.
Hot-Swappable QSFP+Hot-pluggable design allows Online Insertion and Removal (OIR) without network downtime, simplifying installation and maintenance.
High-Density & FlexibleLightweight 26AWG cable with a minimum bend radius of 40mm, ideal for high-density rack deployments and easy cable routing.
Cisco Compatibility & QualityFully tested and certified for Cisco switches (Nexus 9000/7000/6000/5000/3000, Catalyst 6800/6500/4500 series), ensuring seamless interoperability.
Industrial SpecificationsLSZH/PVC (OFNR) jacket, RoHS compliant, operating temperature range 0°C to 70°C.

Technical Specifications

Parameter	Specification
Part Number	QSFP-H40G-CU5M
Form Factor	QSFP+ to QSFP+ Passive Direct Attach Copper Cable (DAC)
Cable Type	Twinax Copper, 26AWG
Length	5 Meters (16.4 ft)
Data Rate	40 Gbps (4×10Gbps, 40GBASE-CR4)
Interface	QSFP+ (SFF-8436)
Power Consumption	0W (Passive)
Operating Temperature	0°C to 70°C (Commercial)
Minimum Bend Radius	40 mm
Cable Jacket	LSZH / PVC (OFNR)
Standards	IEEE 802.3ba, QSFP+ MSA, SFF-8436
Hot Swap	Yes
Applications	40G Ethernet, Data Center Intra-Rack/Inter-Rack Links, Server-to-Switch Connections, High-Performance Computing