Seasonic introduced three Prime SnowSilent series PSU models. They have a white main body, a chrome-finished steel fan grille, and a white impeller on its main fan. Internal DC outputs and AC receptacles are contrasting black. Seasonic has focused on keeping the noise output of these units low. The fans feature fluid-dynamic bearings to help low noise and increase longevity.
The three models launched are the SnowSilent 550 Gold, SnowSilent 650 Platinum, and SnowSilent 750 Titanium.
All models feature six SATA power connectors, five Molex, and one Berg. The SnowSilent 550 Gold puts out 550W continuous output, and boasts of 80 Plus Gold efficiency. It features a single 4+4 pin EPS connector, and two 6+2 pin PCIe connectors. The SnowSilent 650 Platinum features 650W continuous output, and 80 Plus Platinum efficiency. It has four 6+2 pin PCIe. The SnowSilent 750 Titanium leads the pack with 750W continuous output, and 80Plus Titanium efficiency. It measures 17 cm long (instead of 14 cm of the other two models) has two 4+4 pin EPS (one more than the other models).
All three models has DC-to-DC switching, active PFC, micro-tolerance load-regulation (MTLR), a single +12V rail design and most common electrical protection mechanisms (over/under-voltage, overload, overheat, and short-circuit). The series has a stunning12-year product warranty. Seasonic didn't reveal pricing.