Product roundup

Best Seasonic PSUs 
in 2026.

Compare five products from the Puter.Parts directory with practical specifications and direct internal product links.

5 products comparedUpdated 20 August 2026Specification-led comparison
Reviewed by the Puter.Parts editorial teamSpecifications and descriptions are based on the linked Puter.Parts product pages. No hands-on testing is claimed.
Editorial disclosureCheck the linked product page for current specifications, availability and retailer information.

Our winner

Focus GX-1000 (2022)

12VHPWRコネクターを備えたATX 3.0準拠の1000Wゴールド定格Focus GXユニットで、高ワット数ゴールドセグメントで優れたバリューを提供します。

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Our picks compared

ProductBest forKey specifications
Focus GX-1000 (2022)General category comparisonWattage: 1000 W · Efficiency: 80 PLUS Gold · Certification: 80 PLUS Gold · Modular: Fully Modular
Focus GX-750 (2021)General category comparisonWattage: 750 W · Efficiency: 80 PLUS Gold · Certification: 80 PLUS Gold · Modular: Fully Modular
FOCUS SGX 650W (2019)General category comparisonWattage: 650 W · Efficiency: 80 PLUS Gold · Certification: 80 PLUS Gold · Modular: Fully Modular
PRIME PX-1000 (2022)General category comparisonWattage: 1000 W · Efficiency: 80 PLUS Platinum · Certification: 80 PLUS Platinum · Modular: Fully Modular
PRIME TX-1000 (2019)General category comparisonWattage: 1000 W · Efficiency: 80 PLUS Titanium · Certification: 80 PLUS Titanium · Modular: Fully Modular

Technical details are taken from the linked internal product pages. Check live details before buying.

The products in detail

1. Best overall category fit

Focus GX-1000 (2022)

Focus GX-1000 (2022) is a practical option in this comparison.

12VHPWRコネクターを備えたATX 3.0準拠の1000Wゴールド定格Focus GXユニットで、高ワット数ゴールドセグメントで優れたバリューを提供します。 Check the linked product page for current details.

What we like

  • Direct internal product page with technical specifications.
  • Useful model details for comparing this category.

What we do not like

  • Current price and availability need checking.
Key specificationsWattage: 1000 W · Efficiency: 80 PLUS Gold · Certification: 80 PLUS Gold · Modular: Fully Modular
General category comparison.Open product page
2. Best overall category fit

Focus GX-750 (2021)

Focus GX-750 (2021) is a practical option in this comparison.

140mmボディのコンパクト750Wゴールド定格Focus GXユニットで、メインストリームエンスージアストビルドに静音動作と堅固な効率を提供します。 Check the linked product page for current details.

What we like

  • Direct internal product page with technical specifications.
  • Useful model details for comparing this category.

What we do not like

  • Current price and availability need checking.
Key specificationsWattage: 750 W · Efficiency: 80 PLUS Gold · Certification: 80 PLUS Gold · Modular: Fully Modular
General category comparison.Open product page
3. Best overall category fit

FOCUS SGX 650W (2019)

FOCUS SGX 650W (2019) is a practical option in this comparison.

Compact SFX-L 650W gold-rated unit from Seasonic's Focus SGX line, offering full modular cabling and excellent efficiency in a small form factor chassis. Check the linked product page for current details.

What we like

  • Direct internal product page with technical specifications.
  • Useful model details for comparing this category.

What we do not like

  • Current price and availability need checking.
Key specificationsWattage: 650 W · Efficiency: 80 PLUS Gold · Certification: 80 PLUS Gold · Modular: Fully Modular
General category comparison.Open product page
4. Best overall category fit

PRIME PX-1000 (2022)

PRIME PX-1000 (2022) is a practical option in this comparison.

Ada LovelaceとRDNA 3グラフィックスカード向けのネイティブ12VHPWRコネクターを備えたATX 3.0準拠の1000Wプラチナム定格PRIMEユニットです。 Check the linked product page for current details.

What we like

  • Direct internal product page with technical specifications.
  • Useful model details for comparing this category.

What we do not like

  • Current price and availability need checking.
Key specificationsWattage: 1000 W · Efficiency: 80 PLUS Platinum · Certification: 80 PLUS Platinum · Modular: Fully Modular
General category comparison.Open product page
5. Best overall category fit

PRIME TX-1000 (2019)

PRIME TX-1000 (2019) is a practical option in this comparison.

Seasonicの最高効率指標と業界最高水準の12年保証を提供するPRIMEシリーズのフラッグシップ1000W 80 PLUS Titaniumユニットです。 Check the linked product page for current details.

What we like

  • Direct internal product page with technical specifications.
  • Useful model details for comparing this category.

What we do not like

  • Current price and availability need checking.
Key specificationsWattage: 1000 W · Efficiency: 80 PLUS Titanium · Certification: 80 PLUS Titanium · Modular: Fully Modular
General category comparison.Open product page

How to choose

Check the full specification

Compare the useful specifications on each linked product page before buying.

Match the product to the build

Consider compatibility, dimensions, power, capacity and intended use.

Check current availability

Prices, stock and retailer terms can change, so confirm the live details.