This product is either discontinued or we cannot get that from suppliers.
SeaSonic SSP-300TGS Power Supply Active, Main Connector 24Pin, +12V Rails Single, SATA Power Connector 3, Haswell Support: Ready, Efficiency 87%, Energy-Efficient 80 PLUS GOLD Certified, Over Voltage Protection, Input Voltage 100 - 240 V, Input Frequency Range 50/60 Hz, Output +3.3V 10A, +5V 14A, +12V 25A, -12V 0.3A, +5VSB 2A, MTBF >100,000 Hours, Connectors 1 x Main Power (24P), 1 x ATX12V (4+4P), 3 x Peripherals SATA, 1 x 4P mole, 1 x FDD.
This industrial power supply is TFX 12 V v.2.31 compliant and offers DC to DC converter design and important protection features for safe operations.