This is what i just bought and recieved the other day for my 75 gallon tank:
38 RB
18 NW 5000k
2 quad dimming LED drivers
2 replacement dimmer knobs( Heard these break easily.)
2 8" x 15" heat sink with fins
1 switching power supply at 400w, 24V @ 16.5 amps
30ft solder
30ft 24gauge LED power...