The Keysight 6253A series of power supplies combines the versatility of a dual power supply with the flexibility of auto-series and auto-parallel operation, each supply can deliver the maximum-rated output voltage or current of each section.
Dual power supply
Auto-series, auto-parallel operation
Output ratings (0 - 55 deg C): 0-20 V, 0-3 A
Ripple and noise (20 Hz to 20 MHz): CV: 200 uV rms, 1 mV peak-to-peak; CC: 2 mA rms