Seasonic PRIME PX 1600W Power Supply ATX 3.1 PCIe 5.1 (12V-2x6) 12 Years Warranty 80+ Platinum Fully Modular RTX 5090 AMD RX 9000 Ready AI Workstation
Seasonic

PRIME PX 1600W Power Supply ATX 3.1 PCIe 5.1 (12V-2x6) 12 Years Warranty 80+ Platinum Fully Modular RTX 5090 AMD RX 9000 Ready AI Workstation

$499.99 ★★★★½4.5(87 reviews)

*Price sourced from Amazon.com. Last updated 2026-05-21. Price and availability subject to change.

SpecPicks Verdict

SpecPicks classifies Seasonic PRIME PX 1600W Power Supply ATX 3.1 PCIe 5.1 (12V-2x6) 12… as a solid pick with broad community endorsement in the power supplies category, based on 87 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Seasonic's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ Highly rated — 4.5★ average across customer reviews
  • ✓ ATX 3.1 / PCIE 5.1 ready. Dual native 12V-2x6 connectors
  • ✓ Backed by Seasonic's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • ATX 3.1 / PCIE 5.1 ready. Dual native 12V-2x6 connectors
  • 80 PLUS Platinum and Cybenetics Titanium certified
  • Ideal for AI workstations
  • 100% Japanese capacitors
  • Hybrid fan control with 135 mm FDB fan

Full Specifications

BrandSeasonic
Wattage1600 watts
Fan Size135 Millimeters
Model NamePrime PX-1600 ATX 3.1
Unit Count1.0 Count
Form FactorATX
Model NumberPrime PX-1600 ATX 3.1
Connector TypeATX
Cooling MethodAir
Number of Fans1
Output Wattage1600
Item Dimensions8.3 x 6 x 3.4 inches
Mfr Part NumberPrime PX-1600 ATX 3.1
Compatible DevicesComputer

Ready to buy?

Seasonic PRIME PX 1600W Power Supply ATX 3.1 PCIe 5.1 (12V-2x6) 12 Years Warranty 80+ Platinum Fully Modular RTX 5090 AMD RX 9000 Ready AI Workstation is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-05-21. Price and availability subject to change.

Related Power Supplies

Seasonic PRIME PX 1600W Power Supply ATX 3.1 PCIe 5.1 (12V-2x6) 12 Years Warranty 80+ Platinum Fully Modular RTX 5090 AMD RX 9000 Ready AI Workstation
$499.99
4.5★ (87)
View on Amazon →