2000pcs Pin Header Jumper blocks Connector 2.54 mm for 3 1/2 Hard Disk Drive, CD/DVD Drive, Motherboard and/or Expansion Card

Technical specifications

Customization guide

Adjustable pin counts (2-40 pins) and sizes to meet specific circuit board or device requirements. For example, 2-pin headers are ideal for basic jumper settings in HDDs, while 40-pin headers suit complex motherboard configurations requiring multiple connections.

Get inspired

Whether you’re building a custom PC, repairing electronics, or prototyping circuits, these connectors provide reliable, repeatable connections. Their compact design and robust materials ensure longevity in high-use environments.

Choose your model

Supplier's note

1. Technical Breakthroughs:

   • Copper Alloy Contacts: Ensure low resistance and long-term conductivity.
   • Precision 2.54mm Pitch: 20% tighter tolerance than industry averages for flawless PCB alignment.
   • RoHS Compliance: Eliminates hazardous materials, enabling global deployment.

2. Optimal Version Selection:

   • Base Model: Perfect for hobbyists or small-scale projects needing 2-10 pins.
   • Advanced Model: Ideal for mid-range applications like server rack setups or industrial prototypes requiring durability.
   • Pro Model: Engineers and manufacturers benefit from its 40-pin capacity and IP67 rating, enabling use in harsh environments like automotive electronics.

With the Pro version’s IP67 rating, you can deploy connectors in wet or dusty conditions—critical for industrial IoT devices. Pair this with its 40-pin capacity to handle complex motherboard configurations seamlessly.