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Black rectangular ATX power supply unit with modular cable sockets and a 135mm fan grille

ASUS

ASUS ROG-STRIX-650G 650W ATX power supply

SKU CH-TW82-PEY29 MPN ROG-STRIX-650G

A fully modular 650 W ATX power supply with 80 Plus Gold efficiency, a 135 mm dual ball-bearing fan, 160 mm depth and Japanese capacitors

  • TypeATX12V
  • Maximum Power650 W
  • Fans1 x 135mm Dual Ball Bearing fan
  • Main Connector20+4Pin
  • +12V RailsSingle
  • PCI-Express Connector4 x 6+2-Pin

Options ATX 80+ Gold (650W)

Edition Black

  • 80 Plus Gold certified for energy efficiency
  • 650 W single +12 V rail delivers 54 A
  • Fully modular cables reduce build clutter
  • 0 dB Axial-tech fan with dual ball bearings runs silently at low load
  • 135 mm fan and 160 mm length fit compact cases

650W ATX Gold power supply

The ASUS ROG-STRIX-650G delivers 650 W of continuous power through a single +12 V rail rated at 54 A. It carries 80 Plus Gold certification and uses 100 % Japanese capacitors for stable output. The unit is fully modular and fits ATX12V cases with a maximum depth of 160 mm. Builders who need reliable efficiency for mid-range gaming or workstation systems will find it suitable.

Sustained-load behaviour

A 135 mm dual ball-bearing fan with Axial-tech blades runs at 0 dB during light loads, activating only when internal temperatures rise. ROG heatsinks cover critical components to dissipate heat during extended sessions. Dual ball bearings are rated to last up to twice as long as sleeve designs. Active PFC and over-voltage protection maintain clean power across the 100–240 V input range.

Single +12 V rail at 54 A

The entire 650 W capacity is available on one +12 V rail, simplifying cable routing for high-draw graphics cards. Four PCIe 6+2-pin connectors support multi-GPU configurations, while eight SATA and three peripheral plugs handle storage and accessories. This rail layout is the decisive specification when matching the PSU to a graphics card’s power requirement.

Highlights

  • 80 Plus Gold certified for energy efficiency
  • 650 W single +12 V rail delivers 54 A
  • Fully modular cables reduce build clutter
  • 0 dB Axial-tech fan with dual ball bearings runs silently at low load
  • 135 mm fan and 160 mm length fit compact cases

Specifications

BrandASUS
SeriesROG Strix
ModelROG-STRIX-650G
TypeATX12V
Maximum Power650 W
Fans1 x 135mm Dual Ball Bearing fan
Main Connector20+4Pin
+12V RailsSingle
PCI-Express Connector4 x 6+2-Pin
SATA Power Connector8
Max PSU Length160 mm
ModularFull Modular
Energy-Efficient80 PLUS GOLD Certified
Over Voltage ProtectionYes
Input Voltage100 - 240 V
Output+3.3V@20A, +5V@20A, +12V@54A, [email protected] , +5VSB@3A
ApprovalsROHS
Connectors1 x MB 24/20-pin
2 x CPU 4+4-pin
4 x PCI-E 6+2-pin
8 x SATA
3 x Peripheral
PFCActive
SLINo
CrossFireNo
FeaturesROG heatsinks cover critical components. Lower temps result in a longer lifespan and reduced noise.
Axial-tech fan design features a smaller fan hub that facilitates longer blades and a barrier ring that increases downward air pressure.
Dual ball fan bearings can last up to twice as long as sleeve bearing designs.
0dB Technology lets you enjoy light gaming in relative silence.
An 80 Plus Gold Certification is the result of Japanese capacitors and other premium components.
Cosmetic customization is enabled by a magnetic logo and stickers that help you reskin the visible side to your l
Dimensions3.39" x 5.91" x 6.30"
Weight3.86 lbs.
Package Content1 x Power Cord
1 x Motherboard Power cable (610mm)
2 x CPU Cable (1000mm)
2 x PCI-E Cable (675mm)
2 x SATA Cable (810mm/860mm)
1 x Peripheral (450mm)
2 x Join the ROG badge
1 x ROG logo magnet
3 x ROG label
*MB/ CPU/ PCI-E cables come with embedded capacitors in the middle.
Shipping weight3.08 kg
Package size318 × 183 × 114 mm

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Questions about this item

How loud is the 135mm Axial-tech fan when the 650W unit runs all day?

The 0dB mode stops the fan completely at low loads, and the dual ball-bearing design keeps noise low when it spins up under sustained 650W output.

Which cables must I already have to install this fully modular ATX supply?

None — the box includes the 24-pin motherboard, two 4+4-pin CPU, four 6+2-pin PCIe, eight SATA and three peripheral cables.

Will the single 12V rail delivering 54A work with my older 20+4-pin motherboard and legacy drives?

Yes, the 20+4-pin main connector, two 4+4-pin CPU plugs and three peripheral connectors support older boards and drives directly.

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