Is this PSU suitable for a mid-range PC build?

Yes, this PSU is suitable for a mid-range PC build as it provides 650W of power, which is sufficient for many mid-range systems.

Is this PSU noisy when under load?

The PSU is designed with Smart and Silent Fan Control (S2FC), which optimizes fan speed to maintain a quiet environment.

does it coem with an 8pin pci connector to pwoer graphics cards?

The S12III 650 PSU has 4 PCIe 8-pin connections for graphics cards. The connections can all be 6-pin or 8-pin.

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Seasonic S12III 650 SSR-650GB3 650W 80+ Bronze, ATX12V & EPS12V, Direct Output, Smart & Silent Fan Control, 5 yr Warranty Power Supply

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105 °C JAPANESE CAPACITOR: Highly reliable, quality components.
Fixed Cabling - Provides all the necessary cables required for a standard PC.
80 PLUS BRONZE - 82% efficient at 20% load, 85% efficient at 50% load, and 82% efficient at 100% load.
120 mm Sleeve Bearing fan: The fan inside is regulated by the Seasonic S2FC fan control, which optimizes the fan speed according to the needs of the system to create a quiet and pleasant environment.
5 YEAR WARRANTY: Our commitment to superior quality.

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

Reviews (161)

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SeaSonic S12III

Built with premium components and advanced technology, the S12III series power supplies deliver robust, stable output for a mainstream system or gaming rig. It achieves 80 PLUS Bronze standard, resulting in less heat generation, less power waste and therefore reduced power cost on your energy bill. Comprehensive protection mechanism including OPP, OVP, UVP and SCP provides solid protection for system components. Its 120mm fan uses sleeve bearing and features Smart and Silent Fan Control (S2FC) for the perfect balance between operation noise and cooling performance, so you can game, work and surf with great peace of mind.

Available in 450W/500W/550W/650W to meet the requirement of various setups.

High Efficiency, 80 PLUS Bronze Certified

Smart and Silent Fan Control

Improved Compatibility
with the Latest Intel
and AMD Platforms

General
Brand	SeaSonic
Series	S12III Bronze Series
Model	S12III-650GB (SSR-650GB3)

Details
Type	Intel ATX 12 V
Maximum Power	650 W
Fans	120 mm Sleeve Bearing fan
PFC	Active
Main Connector	20+4Pin
+12V Rails	Single
PCI-Express Connector	4 x 6+2-Pin
SATA Power Connector	6
Max PSU Length	140 mm
Modular	Non-Modular
Energy-Efficient	80 PLUS BRONZE Certified
PSU Noise Level	Cybenetics Standard +
Over Voltage Protection	Yes
Protection	OPP, OVP, UVP, SCP
Input Voltage	110 - 240 V
Input Frequency Range	50/60 Hz
Input Current	10 - 5 A
Output	+3.3V@20A, +5V@20A, +12V@54A, -12V@0.3A, +5VSB@2.5A
MTBF	>100,000 Hours
Approvals	Safety and EMC: cTUVus, TUV, Gost-R, UkrTEST, CB , BSMI, Semko, CCC, CE, FCC, C-tick Environmental Compliance: Energy Star, RoHS, WEEE, REACH
Connectors	1 x Main Power (24/20 pins) 1 x CPU (8/4 pins) 4 x PCIe (8/6 pins) 6 x SATA 3 x Peripheral 1 x Floppy
Cable Spec	20+4Pin MB: One cable (550mm) 4+4Pin CPU: One cable (600mm) 2 x PCI-E 6+2Pin: Two cables (550+150mm) 3 x SATA: Two cables (450+120+120mm) 3 x Peripheral: One cable (450+120+120mm) Floppy: One cable (120mm) end connector of the peripheral cable

Features
Features	80 PLUS Bronze certified Fixed cables Tight Voltage Regulation S2FC - Smart and Silent Fan Control

Dimension & Weight
Dimensions	3.39" x 5.91" x 5.51"

Feature
Features	650 watts

Additional Information
First Listed on Newegg	September 15, 2020

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Return for refund within: 30 days
Return for replacement within: 30 days
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Seasonic S12III 650 SSR-650GB3 650W 80+ Bronze, ATX12V & EPS12V, Direct Output, Smart & Silent Fan Control, 5 yr Warranty Power Supply

SeaSonic S12III