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Black rectangular ATX power supply with fixed cables and a 120mm fan grille

SAMA

SAMA B650BK 650W ATX 3.1 power supply

SKU CH-GTWS-ZQ477 MPN B650BK

Delivers 650 W through an ATX 3.1 design with a 12V-2x6 connector rated for 450 W, Cybenetics Bronze efficiency, APFC LLC DC-DC topology and a 120 mm fluid-dynamic-bearing fan

  • TypeATX3.1
  • Maximum Power650 W
  • SLIReady
  • CrossFireReady
  • ModularNo
  • Fans120mm FDB Fan (Fluid Dynamic Bearing)

Certification Series Bronze B Series

Wattage 650W

Color Black

  • ATX 3.1 ready with 12V-2x6 connector delivering up to 450W
  • Cybenetics Bronze certified efficiency above 85% at typical load
  • APFC LLC plus DC-DC topology for stable voltage regulation
  • Full protection suite including OVP UVP OCP OPP OTP SCP
  • 120mm fluid dynamic bearing fan for quiet cooling

ATX 3.1 650 W power supply

The SAMA B650BK is a non-modular ATX 3.1 unit rated at 650 W. It targets PC builders who need a current-generation connector set without removable cables. A single +12 V rail and 100–240 V input suit mainstream gaming and workstation systems.

Sustained-load behaviour

Active PFC with half-bridge LLC and DC-DC stages keeps voltage regulation steady during extended gaming sessions. Hold-up time exceeds 12 ms at full load, so brief mains interruptions do not crash the system. Cybenetics Bronze and 80 PLUS Bronze ratings confirm efficiency above 85 % at typical 50 % load.

12V-2x6 connector for new GPUs

A native 12V-2x6 (12+4) cable delivers up to 450 W to PCIe 5.1 graphics cards. Three additional 8-pin (6+2) PCIe connectors and six SATA power plugs cover remaining components. All protection circuits — OVP, UVP, OCP, OPP, OTP, SCP — are present.

Punti di forza

  • ATX 3.1 ready with 12V-2x6 connector delivering up to 450W
  • Cybenetics Bronze certified efficiency above 85% at typical load
  • APFC LLC plus DC-DC topology for stable voltage regulation
  • Full protection suite including OVP UVP OCP OPP OTP SCP
  • 120mm fluid dynamic bearing fan for quiet cooling

Caratteristiche tecniche

BrandSAMA
ModelB650BK
SeriesB650
TypeATX3.1
Maximum Power650 W
SLIReady
CrossFireReady
ModularNo
Fans120mm FDB Fan (Fluid Dynamic Bearing)
PFCActive
+12V RailsSingle
PCI-Express Connector3x 8Pin (6+2)
SATA Power Connector6
Hold-up Time> 12 ms @ 100% load
Efficiency>85% @ Typical Load (50% Load)
Energy-Efficient80 PLUS BRONZE Certified
PSU Noise Leveltba
Over Voltage ProtectionYes
Overload ProtectionYes
Input Voltage100 - 240 V
Input Frequency Range50-60 Hz
Input Current10A
Output650W
MTBF100,000 Hours
ColorBlack
Haswell SupportYes
Max PSU Length140mm
ProtectionUVP / OVP / OCP / OPP / OTP / NLP / SCP
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
Dimensions140 x 150 x 86mm
Weight1.40kg
Package ContentB650+Cable +accessory+Quick Start Guide
Frequency Range50-60Hz
+3.3V Max. Current15A
+5V Max. Current15A
+12V1 Max. Current54.1A
+12V2 Max. Current15A
-12V Max. Current0.4A
+5VSB Max. Current2.5A
Main Connector1x ATX 24Pin 550mm
Peripheral Connector2x Molex
Fans Total Quantity1
Top Fans Size120mm
Over Load ProtectionYes
Short Circuit ProtectionYes
Under Voltage ProtectionYes
Over Current ProtectionYes
Over Power ProtectionYes
Over Temperature ProtectionYes

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Domande su questo articolo

Will the 12V-2x6 connector deliver enough power for a modern graphics card?

The 12V-2x6 connector is rated for up to 450W, which covers the requirements of current PCIe 5.1 graphics cards.

Does the non-modular design mean I must route every cable inside my case?

All cables are fixed, including the 24-pin ATX, two CPU 4+4-pin, three PCIe 6+2-pin, one 12V-2x6 and two SATA/Molex chains, so you will manage the full set.

Is the unit compatible with a standard ATX case and motherboard?

The PSU measures 140mm deep, 150mm wide and 86mm high, matching the ATX form factor, and the 24-pin plus CPU cables reach 550mm and 700mm respectively for typical layouts.

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