What are the alternatives to the 1000W Power Supply 80+ Gold Full Modular PSU, ATX 3.0 & PCIE 5.0, ES1000?

1000W Power Supply 80+ Gold Full Modular PSU, ATX 3.0 & PCIE 5.0, ES1000 competes with other Power Supplies & Cables products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full Power Supplies & Cables category for alternatives.

Pystar

1000W Power Supply 80+ Gold Full Modular PSU, ATX 3.0 & PCIE 5.0, ES1000

Name: 1000W Power Supply 80+ Gold Full Modular PSU, ATX 3.0 & PCIE 5.0, ES1000
Brand: Pystar
SKU: B096KCD9LD
Price: 79.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$79.99

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*Price sourced from Amazon.com. Price and availability subject to change.

Bottom line: The 1000W Power Supply 80+ Gold Full Modular PSU, ATX 3.0 & PCIE 5.0, ES1000 is a niche pick — read recent reviews before buying in the power supplies & cables category, priced around $79.99. Compare close alternatives before committing.

Pystar's PSU manufactured with high-quality components, it can provide clean and reliable power for a PC gaming system.The ES1000 has outstanding electrical performance with an ultra-stable voltage and extremely clean power output.PACKAGE ACCESSORIES:ES1000 power supply x1, AC power cord x1, screws x4, quick test tool x1, black cable tie x8, manual + quick install guide x1MODULE CABLES x8:------PCI-E：1 * Cablewith 2 * PCI-E Connector 8(6+2) PIN1 * Cablewith 2 * PCI-E Connector 8(6+2) PIN1 * Cablewith 1 * PCI-E Connector 8(6+2) PIN------CPU：1 * Cablewith 1 * CPU Connector 8 PIN+ 1* CPU…

SpecPicks Verdict

SpecPicks scored 1000W Power Supply 80+ Gold Full Modular PSU, ATX 3.0 & PCIE 5.0… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power supplies & cables category. Pystar's power supplies & cables lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for power supplies & cables 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

✓ DC To DC structure: DC To DC structure makes the power output more stable and safe.
✓ Backed by Pystar'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

80 Plus: 1000W with 80 Plus Gold certified, reach 90% efficiency or higher under typical loads.
Full Modular: Full modular to improve airflow and reduce clutter,manage cables more easily.
DC To DC structure: DC To DC structure makes the power output more stable and safe.
Quiet Fan: 140mm fan keep quiet while maintaining good heat dissipation.
Protection: Full protection including OVP/UVP/SCP/OPP/OCP.

Full Specifications

Brand	Pystar
80 Plus	1000W with 80 Plus Gold certified, reach 90% efficiency or higher under typical loads.
Wattage	1000 watts
Fan Size	14 centimeters
Quiet Fan	140mm fan keep quiet while maintaining good heat dissipation.
Model Name	ES1000
Protection	Full protection including OVP/UVP/SCP/OPP/OCP.
Unit Count	1 Count
Form Factor	ATX
Full Modular	Full modular to improve airflow and reduce clutter,manage cables more easily.
Model Number	ES1000
Connector Type	Floppy, SATA
Cooling Method	Air
Number of Fans	1
Output Wattage	1000
Item Dimensions	6.29 x 5.9 x 3.38 inches
Mfr Part Number	ES1000
Compatible Devices	Personal Computer
DC To DC structure	DC To DC structure makes the power output more stable and safe.
Power Supply Design	Full Modular

Ready to buy?

1000W Power Supply 80+ Gold Full Modular PSU, ATX 3.0 & PCIE 5.0, ES1000 is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Price and availability subject to change.