TDS 510A - Four Channel, 500 MHz, 500 MS/s

TDS 520 - 500 MHz, 2 Channel, 500 MS/s

TDS 520A - 500 MHz, 2 Channel, 500 MS/s

TDS 540 - 500 MHz, 4 Channel, 1 GS/s

TDS 540A - 500 MHz, 4 Channel, 1 GS/s

TDS 540C - 500 MHz, 4 Channel, 2 GS/s

TDS 544A - 500 MHz, 4 Channel, 1 GS/s, Color

Digital Phosphor Series

TDS 520D - 2+2 Channel, 500 MHz, 1 GS/s

TDS 540D - Four Channel, 500 MHz, 2 GS/s

TDS 580D - Four Channel, 1 GHz, 4 GS/s