Chieftec POLARIS 3.0 1250W

1250 W · 80+ Gold · Fully modular

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Wattage 1250 W
Efficiency 80+ Gold
Modular Fully modular
Form factor ATX

Chieftec POLARIS 3.0 1250W is a 1250 W power supply rated 80+ Gold (fully modular). Pick one with some headroom above your build's draw. It came out in 2023.

Released: 2023-04-16

Specifications

Key specs

Wattage: 1250 W
Efficiency: 80+ Gold
Modular: Fully modular
Form factor: ATX
Released: 2023-04-16
Part number: PPS-1250FC-A3
EAN / UPC: 0753263078155

Power

Total power: 1250 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Input current: 15-8 A
Power factor: 0.9
Power Factor Correction (PFC) type: Active
Combined power (+3.3V): 120 W
Combined power (+12V): 1250 W
Combined power (+5V): 120 W
Combined power (-12V): 3.6 W
Combined power (+5Vsb): 15 W
Max output current (+3.3V): 22 A
Max output current (+12V): 104.1 A
Max output current (+5V): 22 A
Max output current (-12V): 0.3 A
Max output current (+5Vsb): 3 A
Power protection features: Over current, Over power, Over voltage, Short circuit, Under voltage

Ports & interfaces

Motherboard power connector: 20+4 pin ATX
Motherboard power cable length: 65 cm
Number of SATA power connectors: 12
SATA power cable length: 100,550 mm
Peripheral (Molex) power connectors (4-pin): 4
Peripheral (Molex) power cable length: 100,550 mm
EPS power connector (8-pin): Yes
PCI Express power connectors (6+2 pin): 4
PCI Express power connectors (16-pin): 1
Cabling type: Fully-Modular

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Performance

80 PLUS certification: 80 PLUS Gold
Purpose: PC
Power supply unit (PSU) form factor: ATX
ATX version: 3.0
Bearing technology: FDB

Design

Product colour: Black
Cooling type: Active
Fan diameter: 13.5 cm

Weight & dimensions

Width: 150 mm
Depth: 160 mm
Height: 86 mm
Weight: 3.01 kg

Technical details

Sustainability compliance: Yes

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About this product

The CHIEFTEC Polaris 3.0 series is designed to Intel’s ATX 3.0 standard and supports PCIe GEN 5 with 80 PLUS® GOLD certified efficiency, promising exceptional performance. Polaris 3.0 features state-of-the-art technical design including LLC half-bridge converter with DC- to-DC technology, as well as Japanese main capacitors to achieve low ripple and tight voltage regulation. The Polaris 3.0 135mm FDB silent fan optimizes the balance between cooling and noise with excellent durability. Fully modular cable management ensures a clean and convenient build inside any system.

Datasheet (PDF)

POLARIS 3.0 1250W vs similar power supplies

	Chieftec POLARIS 3.0 1250W	MSI MPG A1250GS PCIE5	MSI A1250GL PCIE5	MSI MAG A1250GL PCIE5
Wattage	1250 W	1250 W	1250 W	1250 W
Efficiency	80+ Gold	80+ Gold	80+ Gold	80+ Gold
Modular	Fully modular	Fully modular	Fully modular	Fully modular
Form factor	ATX	ATX	ATX	ATX
Released	2023	2025	2024	—