Main
Power	350 W
Form factor	Flex ATX


Specs
PFC	active
Efficiency	90 %
Cooling system	active
Fan size	40 mm
Certification	80+ Gold


Power connectors
MB/CPU power supply	24+8 (4+4) pin
SATA	3
MOLEX	2
PCIe 6pin	1
Floppy
Cable system	non-modular


Cable length
MB	350 mm
CPU	450 mm
SATA	350 mm / 500/650 /
MOLEX	350 mm / 500 /
PCIe	350 mm

Max. power
+3.3V	17 А
+5V	14 А
+12V1	29.17 А
-12V	0.3 А
+5Vsb	2.5 А
+12V	350 W
+3.3V +5V	90 W
-12V	3.6 W
+5Vsb	12.5 W


General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
Noise level	20 dB
Dimensions (HxWxD)	40.5x81.5x150 mm
Weight	0.96 kg
Official Website	silverstonetek.com
Added to E-Catalog	August 2026

Continuous 24/7 operation at temperatures up to 40 °C; the full 350 W is available on a single +12V rail.

Only one PCIe 6-pin connector is provided; PCIe 8-pin and 6+2-pin connectors are not available.

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.

How to choose a power supply for a PCBasics of choosing a reliable and balanced power supply for your home, office and gaming computer

SilverStone Flex-ATX configurations


SilverStone Flex-ATX FX350-G	from £78.12	2 offers
SilverStone Flex-ATX FX500-G	from £128.83	3 offers
SilverStone Flex-ATX FX600-PT	from £142.06	1 offer

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