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Black rectangular ATX 3.1 power supply with single 120mm fan and fully modular cable sockets

SAMA

SAMA GP650 650W ATX 3.1 power supply

SKU CH-K2BB-2T12A MPN GP650

A fully modular 650 W ATX 3.1 unit with a 12V-2x6 connector for 450 W GPU power, Cybenetics Gold efficiency and a 120 mm FDB fan

  • TypeATX 3.1
  • Maximum Power650 W
  • SLIReady
  • CrossFireReady
  • ModularYes
  • Fans1 x 120 mm

Certification Series Gold GP Series

Wattage 650W

Color Black

  • ATX 3.1 compliance supports next-generation GPUs with a 12V-2x6 connector rated for 450 W
  • Cybenetics Gold certification confirms over 90 % typical-load efficiency, lowering heat and power draw
  • Full Bridge LLC plus DC-DC topology delivers tight voltage regulation under heavy loads
  • Fully modular cables let you install only the leads you need for cleaner airflow
  • 120 mm fan with temperature-adaptive control keeps noise low during light and moderate workloads

Purpose-built ATX 3.1 unit

The SAMA GP650 is a 650 W ATX 3.1 power supply built for modern gaming PCs. Its fully modular design lets builders connect only the cables required. A native 12V-2x6 connector supplies up to 450 W to PCIe 5.1 graphics cards. The single +12 V rail simplifies power distribution for high-load components.

Cybenetics Gold thermals and noise

Cybenetics Gold certification confirms over 90 % efficiency at typical load, reducing waste heat. A 120 mm fluid-dynamic-bearing fan runs under temperature-adaptive control for quiet operation. Active PFC and Full Bridge LLC plus DC-DC topology keep voltage steady. Protections include over-voltage and overload safeguards with a hold-up time above 12 ms at full load.

12V-2x6 connector for next-gen GPUs

The decisive spec is the 12V-2x6 (12+4 pin) cable rated for 450 W, enabling direct power to the latest graphics cards without adapters. Combined with two 6+2 pin PCIe cables and six SATA connectors, the unit covers current and upcoming builds. ATX 3.1 compliance guarantees compatibility with new power-excursion requirements.

Highlights

  • ATX 3.1 compliance supports next-generation GPUs with a 12V-2x6 connector rated for 450 W
  • Cybenetics Gold certification confirms over 90 % typical-load efficiency, lowering heat and power draw
  • Full Bridge LLC plus DC-DC topology delivers tight voltage regulation under heavy loads
  • Fully modular cables let you install only the leads you need for cleaner airflow
  • 120 mm fan with temperature-adaptive control keeps noise low during light and moderate workloads

Specifications

BrandSAMA
ModelGP650 Black
SeriesGP Series
TypeATX 3.1
Maximum Power650 W
SLIReady
CrossFireReady
ModularYes
Fans1 x 120 mm
PFCActive
Main Connector20+4 Pin
+12V RailsSingle
PCI-Express Connector3x 8-Pin (2x 6+2Pin, 1x 12+4Pin)
SATA Power Connector6
Power Good Signal> 12 ms
Hold-up Time> 12 ms @ 100% load
Energy-Efficient80 PLUS GOLD Certified
PSU Noise LevelTemperature Adaption with Silent Cooling Fan
Over Voltage ProtectionYes
Overload ProtectionYes
Input Voltage100 - 240 V
Input Frequency Range50-60 Hz
Input Current10A
MTBF100,000 Hours
ApprovalsCE, TUV, cTUVus, FCC, ICES, UKCA, EAC, RoHS, WEEE, ErP 2014
ColorBlack
Fan LEDARGB
Haswell SupportYes
Max PSU Length140mm
Cable Spec1x MB ATX 24Pin 550mm
2x CPU (4+4)Pin 700mm
1x PCI-E (6+2)Pin 600mm
1x PCI-E (6+2)Pin+(6+2)Pin 550+150mm
1x 12V-2x6 (12+4)Pin 600mm
2x (SATA+SATA+SATA+Molex) 450+150+150+150mm
Power Rating650W
Weight1.50kg
Package ContentGP650+Cable +accessory+Quick Start Guide
Frequency Range50-60 Hz
+3.3V Max. Current20A
+5V Max. Current20A
+12V1 Max. Current54.1A
+12V2 Max. Current54.1A
+12V4 Max. Current54.1A
-12V Max. Current0.4A
+5VSB Max. Current3A
12V Power Connector2x 4+4 Pin
Floppy Connector0
Peripheral Connector2x 4-Pin Molex
Fans Total Quantity1
Top Fans Size120mm
Top Fans RPMtba
Top Fans Noise Leveltba
Over Load ProtectionYes
Short Circuit ProtectionYes
Under Voltage ProtectionYes
Over Current ProtectionYes
Over Power ProtectionYes
Over Temperature ProtectionYes
Dimensions140 x 150 x 86mm

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Questions about this item

Will the 12V-2x6 connector deliver full power to a new GPU without an adapter?

The 12V-2x6 (12+4 pin) cable is rated for 450W and plugs directly into PCIe 5.1 graphics cards, so no adapter is required.

Does the fully modular design include all cables needed for a typical gaming build?

The box contains a 24-pin ATX cable, two CPU 4+4 pin cables, two 6+2 pin PCIe cables, one 12V-2x6 cable, and two SATA/Molex strings with six SATA plugs total.

Can this unit fit in a compact case with a 140 mm PSU clearance limit?

The power supply is 140 mm long, matching that exact clearance; verify your case specification allows the full length including cable bend radius.

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