SilverStone today introduced the SX1000R Platinum, a 1000 W power supply in the SFX-L form-factor. The PSU meets SFX 12 V 4.0 (analogous to ATX 3.0), and PCI-Express Gen 5. It should offer identical power-delivery and excursion tolerance characteristics to a conventional ATX 3.0 + PCIe Gen 5-rated PSU. Internally, the SX1000R Platinum features a single +12 V rail design with a single 83.3 A rail, DC-to-DC switching to other voltage domains, and most common electrical protections, against over/under-voltage, overload, overheat, and short-circuit.

The PSU meets Cybenetics Platinum electrical switching efficiency ratings, Its 120 mm dual ball-bearing fan features idle fan-off as long as the load is under 200 W. Among the connectors provided by the SilverStone SX1000R Platinum are one 24-pin ATX, two 8-pin EPS, one 16-pin 12VHPWR with 600 W continuous power delivery capability, four 6+2 pin PCIe power, eight SATA power, three Molex, and one Berg. The company didn't reveal pricing or availability information.