| HP Z2309A | 72-Channel Digital Output/Relay Driver* |
| HP Z2404B | 64 Channel Isolated Digital I/O* |
| HP Z2422A | 70MHz FM Modulator* |
| HP Z2466A | Four 4x16 1W SS Matrix* |
| HP Z2467A | 8 1x16 1-Wire Solid State Relay Multiplexer* |
| HP Z2480A | 4 Channel Daisy Chain Optical Switch* |