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Chieftec

Chieftec CSN-650C SFX 650W Fully-Modular 80 PLUS Gold PSU - Black (Boxed)

SKU 5814 Brand Chieftec EAN13 4710713235779
650W SFX PSU, fully modular with 80 PLUS Gold efficiency. Features 2x PCIe 6+2-pin, 1x 4+4 EPS, 6x SATA. Compact 100x125x64mm design with 80mm silent fan for SFF builds.
PSU (Power Supplies) - Wattage 600 - 699 W
PSU (Power Supplies) - Efficiency Rating 80 Plus Gold
PSU (Power Supplies) - Color Black
PSU (Power Supplies) - Modularity Fully modular
PSU (Power Supplies) - PCIe GPU Connectors 2x 8/6 pins
PSU (Power Supplies) - Length Up to 140 mm
PSU (Power Supplies) - EPS CPU Connectors 1x 4+4pin EPS/ATX12V

The Chieftec CSN-650C is a high-performance SFX power supply delivering 650W of power in a compact form factor ideal for small form factor (SFF) PC builds. Certified 80 PLUS Gold for up to 90%+ efficiency, it features fully modular cabling for clean builds and optimal airflow. Equipped with an 80mm ultra-silent fan and active PFC (>0.9), it ensures reliable cooling and power delivery.

Key connectors include 1x 20+4-pin ATX, 1x 4+4-pin EPS for CPU, 2x 6+2-pin PCIe for GPUs, 6x SATA, and Molex peripherals. Single +12V rail provides 54A (648W) for high-demand components. Comprehensive protections: OVP, UVP, OCP, OPP, OTP, SCP, SIP.

  • Form Factor: SFX (100 x 125 x 64 mm)
  • Efficiency: 80 PLUS Gold (>90%)
  • Fan: 80mm silent with AFC
  • Warranty: 24 months
  • Weight: 1.6kg (1.98kg boxed)
ModelCSN-650C
Form FactorSFX
Maximum Power650W
Efficiency80 PLUS Gold (>90%)
Dimensions (DxWxH)100 x 125 x 64 mm
Fan80mm silent fan with AFC
PFCActive PFC (>0.9)
AC Input100-240V / 8A, 47-63Hz
+3.3V18A
+5V15A
+5V & +3.3V combined90W
+12V154A (648W)
-12V0.3A / 3.6W
+5VSB3A / 15W
Main Connector (ATX)1x 20+4 pin
CPU Connector (EPS)1x 4+4 pin (8 pin)
PCIe Connectors2x 6+2 pin
SATA Connectors6x
Weight (without/with package)1.6 kg / 1.98 kg
Warranty24 Months
ProtectionsOVP, UVP, OCP, OPP, OTP, SCP, SIP, AFC