Ports

1. Input/Output Ports

• USB (Type‑A, Type‑C, Micro‑USB, etc.)
• Thunderbolt (via USB‑C form factor)
• Legacy PS/2 (older desktops)

2. Display Ports

• HDMI
• DisplayPort
• VGA / DVI (legacy)

3. Storage Interfaces

• SATA (internal drives)
• NVMe (via M.2 slot, internal)
• External: USB storage, eSATA (older)

4. Network Ports

• Ethernet (RJ‑45)
• Wi‑Fi (wireless, not a physical port but an interface)
• Bluetooth (wireless interface)

5. Audio Ports

• 3.5mm headphone/microphone jack
• Optical audio (TOSLINK, rare on laptops)
• USB‑Audio (headsets, DACs)

6. Expansion Interfaces (mostly desktops)

• PCIe slots (for GPUs, NICs, sound cards)
• Legacy PCI/ISA slots (older machines)