Cisco QSFP-H40G-CU2M Compatible 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable 2 Meter, 30AWG

QSFP+ 40G direct attach cable for use with Cisco equipment. Complies with MSA standards

PI Part #: QSFP-40G-2M

Cisco QSFP-H40G-CU2M Compatible 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable 2 Meter, 30AWG

In Stock; Ships same business day

Shipping Information

All products ship same day from our warehouse in Walnut, CA if ordered within the shipping cutoff times

Product Highlights

  • Supports data rates up to 40Gbps
  • Designed for short run, high speed applications
  • Provides a more cost-effective option when compared to fiber optic cables
  • Copper cable assembly
  • Fully complies with MSA (Multi-Source Agreement) standards

Our Price: $37.00

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Cisco QSFP-H40G-CU2M Compatible 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable 2 Meter, 30AWG

For use with data center cabling, direct connection between networking equipment, and other short distance, high bandwidth applications, the QSFP-40G-2M QSFP+ cable is a Cisco compatible QSFP-H40G-CU2M passive direct attach cable that supports 40 Gigabit Ethernet applications (The QSFP+ form factor supports 4 x 10G lanes for a maximum data rate of 40Gbps. Both the TX (transmit) and RX (receiver) support 4 channels). The direct attach cable is connected through QSFP+ ports (Quad Small Form Factor Pluggable) and is hot-pluggable.

Designed as an alternative to more costly fiber optic cables, these passive twinax cables are made for high speed, short length connections, and are fully compliant with MSA (Multi-Source Agreement) standards.

The Leapmicro QSFP-40G-2M is backed with a 2-year warranty for reliability and performance from PI Manufacturing.


  • Supports data rates up to 40Gbps
  • 30AWG
  • 2M length
  • Copper cable assembly
  • Provides alternative to fiber optic cables
  • Fully compliant with MSA (Multi-Source Agreement) standards

UPC: 091324423231

WARNING: Cancer and Reproductive Harm
(California law requires this warning to be provided to California customers)

Cable Jacket TypePVC
Impedance100 ohm
Wire Gauge30AWG
Number of Lanes4 - TX and 4 - RX
Maximum Data Rate40Gbps
Operating Temperature0 to 70°C
Storage Temperature-40 to 85°C
Supply Voltage3.3V nominal
Electrical Interface38-pin edge connector
38-pin edge connector
Management InterfaceSerial, I²C
High Speed Characteristics
Differential ImpedanceZd90100110Ω
Differential Input Return LossSDDXX<-12+2* SQRT (f) with f in GHz
<-6.3+13*Log10/(f/5.5) with f in GHz
Common Mode Output Return LossSCCXX< -7+1.6*f with f in GHzdB0.01~2.5GHz
Difference Waveform Distortion PenaltydWDPc6.75dB
VMA LossL4.4dB
VMA Loss to Crosstalk RatioVCR32.5dB
Regulatory Compliance
FeatureTest MethodPerformance
Electrostatic Discharge (ESD) to the Electrical PinsMIL-STD-883C Method 3015.7Class 1 (>2000 Volts)
Electromagnetic Interference (EMI)FCC Class B
CENELEC EN55022 Class B
Compliant with Standards
RF Immunity (RFI)IEC61000-4-3Typically shows no measurable effect from a 10V/m field swept from 80 to 1000MHz
RoHS ComplianceRoHS Directive 2011/65/EU and its Amendment Directives 6/6RoHS 6/6 compliant

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