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

EVGA

EVGA SuperNOVA 650 GA 650W 80 Plus Gold Fully Modular ATX Power Supply 220-GA-0650-X1

SKU CH-1AJ8-QKP8R MPN 220-GA-0650-X1

Fully modular 650 W ATX unit with 80 Plus Gold efficiency, a 135 mm double ball bearing fan, ECO mode for silent low-load operation and a compact 150 mm depth

  • Max wattage650 W
  • Modular cablingFull Modular
  • Fan configuration135 mm Double Ball Bearing
  • Main power connector24Pin
  • 12V railsSingle
  • PCIe power connectors3 × 6+2-Pin

Model ATX 80+ Gold (650W)

  • 80 Plus Gold certification keeps efficiency at 90% or higher under typical load
  • Fully modular cabling lets you connect only the leads you need for cleaner airflow
  • 135 mm double ball bearing fan runs silently in ECO mode during low to medium loads
  • 100% Japanese capacitors provide long-term reliability for continuous operation
  • Compact 150 mm depth fits easily into smaller ATX cases

What this PSU powers

The EVGA SuperNOVA 650 GA is a 650 W ATX12V unit built for high-performance desktop builds. It carries 80 PLUS Gold certification and a fully modular cable set, so only the needed leads stay inside the case. A single +12 V rail feeds the CPU and up to three graphics cards through 6+2-pin PCIe connectors. Japanese capacitors and an LLC resonant layout support stable output across the 100-240 V input range.

Thermals, noise and efficiency

A 135 mm double ball bearing fan spins only when load demands it, thanks to an ECO mode that stops the fan at low to medium power draw. The Gold-rated design reaches 90% efficiency or higher under typical loads, reducing waste heat and keeping case temperatures lower. Full modular cabling further improves airflow by removing unused wires from the airflow path. Input current ranges from 8 A at 100 V to 4 A at 240 V.

Behaviour under sustained load

The single-rail topology delivers the full 650 W continuously to the +12 V line without rail-balancing limits. Over-voltage protection guards components during prolonged stress, while the DC-to-DC topology maintains tight regulation on the +3.3 V, +5 V and +12 V outputs. The compact 150 mm depth fits most mid-tower cases, allowing the fan to draw cool air even when the supply runs near its rated capacity for extended periods.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $92.99
Cheaper than about 70% of the 10,869 comparable items (median $142.99).
Max wattage 650 W
Lower than about 70% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameEVGA
Product lineSuperNOVA 650 GA
Model name220-GA-0650-X1
Product typeATX12 V
Graphics
SLI supportReady
CrossFire supportReady
Ports & slots
PCIe power connectors3 × 6+2-Pin
SATA power connectors6
Output type+3.3 V@20A, +5 V@20A, +5VSB@3A
Connection types1 × 24 Pin ATX
1 × 8pin(4+4) EPS (CPU)
3 × 8pin(6+2) PCIe
6 x SATA
4 x Four-Pin Peripheral
1 x Floppy
Power
Max wattage650 W
Modular cablingFull Modular
Main power connector24Pin
12V railsSingle
Efficiency certification80 PLUS GOLD Certified
Overvoltage protectionYes
Supply voltage100–240 V
AC input frequency50/60 Hz
Rated input current8–4 A
Size & build
Product dimensions3.39 in × 5.91 in × 5.91 in
Product weight6 lb (2.72 kg)
Shipping weight2.34 kg
Package size302 × 229 × 122 mm
Compatibility
PSU length limit150 mm
Environment & compliance
Regulatory approvalsTUV, CB, CE, FCC, RCM, cTUVus, CCC, WEEE, RoHS
Compliance with ErP Lot 3 2014 Requirement
More details
Fan configuration135 mm Double Ball Bearing
Mean time between failures>100,000 h

Other versions of this model

1 more in the same range

Questions about this item

How do I install the fully modular cables and which orientation does the 135 mm double ball bearing fan need?

Connect only the cables your build requires — 24-pin ATX, up to three 6+2-pin PCIe, and six SATA — then mount the unit so the 135 mm fan draws cool air from outside the case through the 150 mm deep chassis.

What maintenance or replacement will the 135 mm double ball bearing fan need later?

The double ball bearing fan is rated for long life; if it ever becomes noisy or stops spinning, replace the entire power supply because the fan is not user-serviceable.

What limit appears first during sustained full-load operation?

The 650 W maximum output and 80 Plus Gold efficiency ceiling are reached together; beyond that the over-voltage and over-current protections will shut the unit down.

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