From Digikey: Sullins PPPCxx1LFBN-RC (Datasheet) where xx is the number of pins. For example Sullins PPPC361LFBN-RC has 36 pins. ~ $0.05 per pin. Gold plated contacts, not ‘break-away.’

Mouser: 3M 929973-01-xx (Datasheet) where xx is number of pins. Tin plated contacts (gold available, at a higher price), ‘break-away’ style. 36 pin strip for $1.87

From Digikey: Sullins PPPCxx1LGBN-RC (Datasheet) where xx is the number of pins. For example Sullins PPPC361LGBN-RC has 36 pins. $0.08 cents per pin. Gold plated contacts, not ‘break-away.’

Mouser: 3M 929975-01-xx (Datasheet) where xx is number of pins. Tin plated contacts (gold available, at a higher price), ‘break-away’ style. 36 pin strip for $2.04

Digikey: CUI PJ-102A (thin PCB pins) or PJ-002AH (thicker PCB pins), about $0.40

Digikey: CUI PJ-102B (thin PCB pins) or PJ-002BH (thicker PCB pins), about $0.40

These are standard pinout, often found on USB hosts

Digikey: EDAC 690-004-621-013 ($0.81) or FCI 87520-0010BLF ($0.88 but cheaper in high quantities)

Mouser: Kobiconn KUSBX-AS1N-W ($0.60)

These are standard pinout, often found on USB devices

Mouser: Kobiconn KUSBX-BS1N-W ($0.71)

Digikey: FCI 61729-0010BLF ($1.04)

These are standard pinout, often found on USB devices