Hosa MID-310BK Standard MIDI Cable with Molded Plugs. Quite possibly the most popular MIDI cable on the planet. All Hosa MIDI cables are wired 5-PIN discrete. All five Pins are connected.

Nickel-plated plugs for rugged durability and efficient signal transfer
Oxygen-Free Copper (OFC) conductors for enhanced signal clarity
OFC spiral shields for effective EMI and RFI rejection and flexibility
10 feet long