25G Twinax Direct Attach Cable Passive QSFP28 To SFP28 DAC cable

Basic Information
Place of Origin: Shenzhen, China
Brand Name: Generic
Certification: CE, FCC, ROHS, ISO9001, ISO14000, MSDS, REACH, CP65, TUV, UL
Model Number: SFP-H25G-CU
Minimum Order Quantity: 1 pc
Price: negotiable
Packaging Details: Static bag, Plastic bag, Retail box or by required
Delivery Time: 1-5 work days
Payment Terms: T/T, L/C, Western Union
Supply Ability: 50,000pcs/month
Detail Information
Features: SFP28 To SFP28 DAC Product: Cisco Compatible DAC
Keywords: SFP-H25G-CU Application: Data Center
Length: 0.5M ~ 5M Power Supply: 3.3V
High Light:

Twinax Direct Attach Cable


25G Direct Attach Cable DAC


QSFP28 To SFP28 DAC cable

Product Description

25GBASE DAC SFP28 Passive Direct Attach Copper Twinax Cable For Cisco SFP-H25G-CU




  • Single 3.3V power supply
  • Up to 5m transmission
  • Functionally identical to Cisco SFP-H25G-CU series
  • Up to 25.78125Gbps data rate
  • Lowest total system EMI solution
  • Operating temperature range: 0~ 70 °C
  • RoHS Compliant and Lead-Free
  • Hot-pluggable 25GBASE SFP28 Copper Twinax Cable
  • Compatible to SFP28 MSA
  • Compatible to SFF-8402 and SFF-8432

Applications of 25Gbps SFP28 Direct Attach Cable

  • Data Center networks
  • Storage area networks
  • High performance computing
  • Low EMI radiation Switches, servers and routers
  • Medical diagnostics and networking
  • Test and measurement equipment
  • Telecommunication and wireless infrastructure




This Cisco SFP-H25G-CU Compatible Copper Twinax Cable provides a high-speed, cost-effective alternative to establish a 25Gigabit short reach link between SFP28 25G ports of switches within racks and across adjacent racks.

This Cisco SFP-H25G-CU Compatible direct attach copper cable is electrically compliant with the SFF-8431, and the mechanical SFP28 plug is compatible with SFF-8432.

It has been programmed, uniquely serialized, data-traffic and application tested to ensure it is functionally identical to Cisco original products and 100% compatible with Cisco 25 Gigabit SFP28 ports network equipment.


Functional Specification


Compatible Brand Cisco Compatible PN SFP-H25G-CU
Product Name DAC Speed (Gbps) 25.78125Gbps
Passive or Active Passive Cable Length 0.5-meter ~ 5-meter
Connectors SFP28 to SFP28 Cable impedance 100 Ω ( typ.)
Minimum Bend Radius 35mm Wire Gauge 26/30AWG
Cable type Twinax Copper Power supply 3.3V
Jacket Material PVC (OFNR) Operating Temperature 0 to 70°C (32 to 158°F)
Power Consumption ≤0.1W OEM/ODM Supported
Protocols IEEE 802.3, SFP28 MSA, SFF-8402, Infiniband, EIA 364-1000


Ordering Information


Part Number Description Wire Gauge Minimum Bend Radius
SFP-H25G-CU50CM 25G SFP28 to SFP28 DAC Copper Twinax Cable 0.5-meter, Passive 30AWG 25mm
SFP-H25G-CU1M 25G SFP28 to SFP28 DAC Copper Twinax Cable 1-meter, Passive 30AWG 25mm
SFP-H25G-CU1-5M 25G SFP28 to SFP28 DAC Copper Twinax Cable 1.5-meter, Passive 30AWG 25mm
SFP-H25G-CU2M 25G SFP28 to SFP28 DAC Copper Twinax Cable 2-meter, Passive 30AWG 25mm
SFP-H25G-CU2-5M 25G SFP28 to SFP28 DAC Copper Twinax Cable 2.5-meter, Passive 30AWG 25mm
SFP-H25G-CU3M 25G SFP28 to SFP28 DAC Copper Twinax Cable 3-meter, Passive 30AWG 25mm
SFP-H25G-CU4M 25G SFP28 to SFP28 DAC Copper Twinax Cable 4-meter, Passive 26AWG 30mm
SFP-H25G-CU5M 25G SFP28 to SFP28 DAC Copper Twinax Cable 5-meter, Passive 26AWG 30mm
Note Cable length could be customized to any length as required. Please feel free to contact us.



Contact Details

WhatsApp : +8615989585901