EVGA

EVGA SuperNOVA 450 GM

Name: EVGA SuperNOVA 450 GM, 80 Plus Gold 450W, Fully Modular, ECO Mode with DBB Fan, 7 Year Warranty, Includes Power ON Self Tester, SFX Form Factor
Brand: EVGA
SKU: B07JFLNG3B

Status: EVGA SuperNOVA 450 GM: Unavailable on Amazon as of 2026-10-07 04:16 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The EVGA SuperNOVA 450 GM: 80 PLUS Gold: 90% efficiency at 115VAC, 92% at 220-240VAC; main trade-off: SFX form factor may need an adapter for ATX cases.

Unavailable on Amazon as of 2026-10-07 04:16 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Similar: Thermaltake Toughpower GF A3 Snow Edition 850W… — $124.75 on Amazon as of 2026-10-06 10:29 UTC (price may vary).

View Current Price — $124.75

Similar: Rosewill VNG 650W 80+ Gold Certified — $45.58 on Amazon as of 2026-10-06 12:20 UTC (price may vary).

View Current Price — $45.58

Similar: Thermaltake Toughpower GT 850W ATX 3.1 Standard… — $89.99 on Amazon as of 2026-10-07 04:20 UTC (price may vary).

View Current Price — $89.99

Original listing (currently unavailable) → Compare to similar power supplies

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-07

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ 80 PLUS Gold: 90% efficiency at 115VAC, 92% at 220-240VAC
✓ Fully modular cables cut clutter in tight SFX builds
✓ 7-year warranty backs long-term reliability
✓ 100% Japanese capacitors for stable, durable output
✓ OVP, UVP, OCP, OPP, SCP protections guard your components

Cons

✗ SFX form factor may need an adapter for ATX cases
✗ 450W limits headroom for high-end GPUs
✗ 92mm fan lacks a zero-RPM fanless idle mode
✗ No PCIe 12VHPWR cable for newest-gen GPUs

Manufacturer description

Introducing the EVGA SuperNOVA GM line. These new power supplies are engineered to bring the power, Prestige, and performance of EVGA award-winning power supplies into an SFX form factor. Capable of supplying up to 650 watts with 54. 1a on the +12V rail, and designed with fully modular cables, The EVGA SuperNOVA 650 gm brings big performance to small spaces. Built with 80 Plus Gold certified efficiency, reliable 100% Japanese capacitors, a quiet double ball bearing fan, and EVGA 7 Year and unparalleled customer service, the EVGA SuperNOVA GM power supplies makes short work of tight spaces.

SpecPicks Verdict

SpecPicks scored EVGA SuperNOVA 450 GM using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. EVGA's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

450W SFX form factor
80 PLUS Gold certified, with 90% (115VAC) / 92% (220VAC~240VAC) efficiency or higher under typical loads
Fan Size/ Bearing: 92mm double Ball Bearing
Heavy-duty protections, including OVP, UVP, OCP, OPP, and SCP
7 year

Full Specifications

Brand	EVGA
Wattage	450 watts
Fan Size	92 Millimeters
Model Name	123-GM-0450-Y1
Form Factor	SFX
Model Number	123-GM-0450-Y1
Connector Type	24-pin
Cooling Method	Air
Item Type Name	EVGA Supernova 450 GM, 80 Plus Gold 450W, Fully Modular, ECO Mode with DBB Fan, 7 Year Warranty, Includes Power ON Self Tester, SFX Form Factor, Power Supply 123-GM-0450-Y1
Number of Fans	1
Output Wattage	650 Watts
Item Dimensions	10.55 x 3.82 x 7.68 inches
Mfr Part Number	450 GM
Fan Size/ Bearing	92mm double Ball Bearing
Compatible Devices	Personal Computer
Connector Quantity	12
Power Supply Design	Full Modular
Warranty Description	7 Years
Maximum Input Voltage	240 Volts
Minimum Input Voltage	220 Volts
Full listing title	EVGA SuperNOVA 450 GM, 80 Plus Gold 450W, Fully Modular, ECO Mode with DBB Fan, 7 Year Warranty, Includes Power ON Self Tester, SFX Form Factor, Power Supply 123-GM-0450-Y1

Ready to buy?

Amazon shows no buyable offer for EVGA SuperNOVA 450 GM at the last check. A similar in-stock product is Thermaltake Toughpower GF A3 Snow Edition 850W…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $124.75