Lian Li

Lian Li RS1200G 1200W ATX Power Supply w/USB Fan Hub

Name: Lian Li RS1200G 1200W ATX Power Supply w/USB Fan Hub - Black (RS1200G.BH) | 90° AC Inlet, USB Fan Hub Included, 80+ Gold, PCIe 5.1 & ATX 3.1 Ready
Brand: Lian Li
SKU: B0FGPPM12Q

Status: Lian Li RS1200G 1200W ATX Power Supply w/USB Fan…: Unavailable on Amazon as of 2026-10-06 16:24 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 Lian Li RS1200G 1200W ATX Power Supply w/USB Fan Hub is a specs-and-price decision rather than a crowd-consensus one in the power supplies category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Unavailable on Amazon as of 2026-10-06 16:24 UTC

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

Similar: ESGAMING 1200W 80+ Gold Fully Modular Compact… — $109.99 on Amazon as of 2026-10-06 10:25 UTC (price may vary).

View Current Price — $109.99

Similar: be quiet! Pure Power 13 M 1200W — $139.90 on Amazon as of 2026-10-07 04:20 UTC (price may vary).

View Current Price — $139.90

Similar: Apevia ATX-SL1200W Soul 1200W Fully Modular… — $84.99 on Amazon as of 2026-10-06 10:27 UTC (price may vary).

View Current Price — $84.99

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

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

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

✓ Long Warranty & Reliable Support: 10-year PSU warranty + 2-year RS Hub warranty.
✓ Backed by Lian Li's warranty and support channels

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

SpecPicks Verdict

SpecPicks scored Lian Li RS1200G 1200W ATX Power Supply w/USB Fan Hub using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Lian Li'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

Rotatable AC Inlet – Flexible Builds: Dual-sided 90° AC inlet allows rear or side-facing connection, reducing cable clutter and strain. Perfect for tight cases and clean, professional cable routing.
ATX 3.1 & PCIe 5.1 Ready: Native 12V-2x6 cable supports modern GPUs and high transient loads, delivering stable power for next-gen builds.
High Efficiency & Premium Thermals: 80 PLUS Gold certified, Cybenetics Platinum-level efficiency ensures >90% power efficiency under typical loads. Keeps your system cool and reliable.
Dual-Color 12V-2x6 Cables – Safer Connections: Easy identification with dual-color cables and upgraded welded terminals. Lower resistance and enhanced heat tolerance for safer, stable connections.
Quiet Cooling & Compact Fit: Optimized fan design delivers silent operation. Compact 150×86×150mm ATX design with 135 mm cooling fan and soft flat cables make installation in tight spaces effortless. Magnetic ties help keep your build neat.
Long Warranty & Reliable Support: 10-year PSU warranty + 2-year RS Hub warranty.

Full Specifications

Brand	Lian Li
Weight	1200g
Wattage	1200 watts
Model Name	RS1200G
Unit Count	1.0 Count
Form Factor	ATX
Connectivity	USB
Connector Type	ATX
Cooling Method	Air
Number of Fans	1
Output Wattage	1200.0
Item Dimensions	12.8 x 8.19 x 5.12 inches
Compatible Devices	Computer (ATX, PCIe 5.1, PCIe 5.0)
Warranty Description	10 Years
Maximum Input Voltage	120 Volts (AC)
Minimum Input Voltage	110 Volts (AC)
ATX 3.1 & PCIe 5.1 Ready	Native 12V-2x6 cable supports modern GPUs and high transient loads, delivering stable power for next-gen builds.
Item dimensions L x W x H	12.8 x 8.19 x 5.12 inches
System Bus Connector Type	20+4 Pin
Connector Type Used on Cable	ATX
Full listing title	Lian Li RS1200G 1200W ATX Power Supply w/USB Fan Hub - Black (RS1200G.BH) \| 90° AC Inlet, USB Fan Hub Included, 80+ Gold, PCIe 5.1 & ATX 3.1 Ready, 12V-2x6 Cable, Fully Modular, 10-Year Warranty

Ready to buy?

Amazon shows no buyable offer for Lian Li RS1200G 1200W ATX Power Supply w/USB Fan… at the last check. A similar in-stock product is ESGAMING 1200W 80+ Gold Fully Modular Compact…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $109.99