
EVGA
EVGA 100-N1-0400-L1 400W Power Supply - Budget PSU
★★★★★
A budget-friendly 400W power supply with essential protections and quiet cooling for basic PC builds.
$140.00*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.
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Overview
Specifications
Brand
EVGA
Model
100-N1-0400-L1
Wattage
400W
+12V Rail
30A (single rail)
Fan
Ultra-quiet design
Modularity
Non-modular
Warranty
2 years
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Pros & Cons
👍 Pros
- Very affordable entry point for basic and budget PC builds
- 30A on a single +12V rail provides straightforward power delivery
- Ultra-quiet fan design keeps noise levels down during operation
- Backed by EVGA's 2-year warranty
👎 Cons
- No 80 Plus efficiency rating, meaning higher energy waste and heat output compared to certified units
- Non-modular design leaves unused cables cluttering the case
- 400W capacity limits upgrade options for higher-end graphics cards or additional components
- Only a 2-year warranty, shorter than the 5- to 10-year warranties on higher-tier PSUs
Frequently Asked Questions
What is the wattage of this power supply?
The EVGA 400 N1 delivers 400 watts of continuous power, suitable for basic system builds.
How much current does the +12V rail provide?
The single +12V rail provides 30A, which is sufficient for entry-level processors and modest graphics cards.
Is this power supply modular?
No, the EVGA 400 N1 is a non-modular power supply, meaning all cables are permanently attached.
What warranty does EVGA provide with this unit?
EVGA includes a standard 2-year warranty with the 400 N1.
Does this PSU have an 80 Plus efficiency rating?
No 80 Plus certification is listed for the EVGA 400 N1, which is typical for power supplies in this budget tier.

