SFP-H25G-CU2M=

SFP-H25G-CU2M= is a Cisco original 2-meter 25G SFP28 Passive Direct Attach Copper Twinax Cable (DAC). It is a high-speed, cost-effective short-reach interconnect solution, designed for 25GBASE-CR1 connections within data center racks and between adjacent cabinets. It delivers 25Gbps full-duplex transmission with zero power consumption, low latency, and superior signal integrity for high-density data center environments.

Key Features & Benefits

25Gbps High-Speed TransmissionSupports full-duplex 25.78125 Gbps data rate, fully compliant with IEEE 802.3by 25GBASE-CR1 and SFP28 MSA standards.
Passive Copper DesignPassive twinax cable with zero power consumption, maximizing energy efficiency. Offers a low-cost, low-latency alternative to optical transceivers.
Hot-Swappable SFP28Hot-pluggable design allows for Online Insertion and Removal (OIR) without network downtime, simplifying installation and maintenance.
High-Density & FlexibleLightweight 30AWG cable with a small bend radius (minimum 25mm), ideal for high-density rack deployments and easy cable routing.
Cisco Compatibility & QualityFully tested and certified for Cisco switches (Nexus 9000/3000, Catalyst 9300 series) and servers, ensuring seamless interoperability and reliability.
Industrial SpecificationsLSZH (Low Smoke Zero Halogen) jacket, RoHS compliant, operating temperature range 0°C to 70°C.

Technical Specifications

Part Number	SFP-H25G-CU2M=
Form Factor	SFP28 to SFP28 Passive Direct Attach Copper Cable (DAC)
Cable Type	Twinax Copper, 30AWG
Length	2 Meters (6.56 ft)
Data Rate	25.78125 Gbps (25GBASE-CR1)
Interface	SFP28 (SFF-8402)
Power Consumption	0W (Passive)
Operating Temperature	0°C to 70°C (Commercial)
Bend Radius	Minimum 25 mm
Cable Jacket	LSZH (Low Smoke Zero Halogen)
Standards	IEEE 802.3by, SFP28 MSA, SFF-8402
Hot Swap	Yes/Inter-Rack Links, Server-to-Switch Connections
Applications	25G Ethernet, Data Center Intra-Rack/Inter-Rack Links, Server-to-Switch Connections