Buying Guide

The Best PSUs Under $300

Four power supplies compared, from the ASUS ROG Strix 1000W Platinum to the CORSAIR HX1200i, with the trade-offs of each named.

By The PC Journal editorial team

11 min read4 products evaluated

Above $200, PSUs reach 1200W and higher with Titanium efficiency. Every pick sits between $200 and $300, ordered by wattage.

We sorted these picks by wattage, warranty and 80 Plus rating, working from the makers' own data; if a maker skips warranty, the guide says so, and no figure here comes from our own testing.

Quick Picks

Our 4 recommendations at a glance. Tap a pick for the full verdict.

  1. Also Consider

    ASUS TUF Gaming 1200W Gold

    Military-grade capacitors and chokes.

    Best for: Buyers who want military-grade capacitors and chokes.

    Our take Check price for ASUS TUF Gaming 1200W Gold (opens in a new tab)

  2. Premium Pick

    CORSAIR HX1200i (2025)

    Monitoring and fan control through Corsair iCUE at the highest price in the group.

    Best for: Buyers for whom price is not the deciding factor.

    Our take Check price for CORSAIR HX1200i (2025) (opens in a new tab)

  3. Lowest Price Here

    ASUS ROG Strix 1000W Platinum

    The lowest price of the group at our last check.

    Best for: Spending as little as possible.

    Our take Check price for ASUS ROG Strix 1000W Platinum (opens in a new tab)

  4. Strong Alternative

    be quiet! Dark Power 13 1000W

    A frameless Silent Wings fan behind a full-mesh front.

    Best for: Buyers who want frameless Silent Wings fan behind a full-mesh front.

    Our take Check price for be quiet! Dark Power 13 1000W (opens in a new tab)

Our Picks

ASUS TUF Gaming 1200W Gold

Also Consider1 of 4

ASUS TUF Gaming 1200W Gold on Amazon (opens in a new tab)

What the ASUS TUF Gaming 1200W Gold brings to the table is military-grade capacitors and chokes, plus a protective PCB coating against moisture and dust.

Best for

Buyers who want military-grade capacitors and chokes.

Skip if

Price-first buyers should look at the ASUS ROG Strix 1000W Platinum, which cost less when we checked.

Why we like it

It also offers a 1200W rated output and offers a 10 years warranty. Japanese capacitors and dual ball-bearing fans are rated to last twice as long as sleeve bearings, and a 16-pin cable delivers up to 600W to PCIe 5.0 graphics cards. Its capacitors and chokes pass military-grade certification tests.

You get a gold 80 plus rating here, which sets it apart from the be quiet! Dark Power 13 1000W and its a titanium 80 plus rating. The ASUS TUF Gaming 1200W Gold has no stated native 12V-2x6 cable; confirm the cable kit before pairing it with a 16-pin card. No depth is rated for the ASUS TUF Gaming 1200W Gold, so check the maker's page against your case's PSU bay. On price it sat third of 4, between the cheaper be quiet! Dark Power 13 1000W and the pricier CORSAIR HX1200i, at the time of writing.

Key dimensions & specs

  • Wattage: 1200W
  • Warranty: 10 years
  • 80 Plus rating: Gold
  • ATX version: ATX 3.1
  • Form factor: ATX
  • Cabling: Fully modular
  • Colour: Black

Pros

  • 1200W of rated output for high-power cards
  • A 10-year warranty
  • ATX 3.1 compliance
  • Fully modular cables

Cons

  • Costs more than the ASUS ROG Strix 1000W Platinum at the time of writing
CORSAIR HX1200i (2025)

Premium Pick2 of 4

CORSAIR HX1200i (2025) on Amazon (opens in a new tab)

The CORSAIR HX1200i stands out for monitoring and fan control through Corsair iCUE, and it adds a 140mm FDB fan with zero-RPM mode.

Best for

Buyers for whom price is not the deciding factor.

Skip if

Skip it if you need to know its warranty before buying; the maker doesn't publish one.

Why we like it

It also offers a 1200W rated output and offers a 140mm fan. iCUE software sets fan curves, monitors power and switches between single and multi-rail overcurrent protection. It is ATX 3.1 certified. It matches the ASUS TUF Gaming 1200W Gold on rated output (1200W).

The CORSAIR HX1200i has no stated native 12V-2x6 cable; confirm the cable kit before pairing it with a 16-pin card. No depth is rated for the CORSAIR HX1200i, so check the maker's page against your case's PSU bay. At our last price check it topped the group, with the ASUS TUF Gaming 1200W Gold the nearest cheaper option. If you want a confirmed warranty, look to the ASUS TUF Gaming 1200W Gold instead: it offers 10 years, while this one gives no figure.

Key dimensions & specs

  • Wattage: 1200W
  • ATX version: ATX 3.1
  • Form factor: ATX
  • Cabling: Fully modular
  • Fan: 140mm
  • Fan stop: Yes
  • Colour: Black

Pros

  • 1200W of rated output for high-power cards
  • ATX 3.1 compliance
  • Fully modular cables
  • A fan that stops at low load

Cons

  • No published warranty
  • Costs more than the ASUS ROG Strix 1000W Platinum at the time of writing
ASUS ROG Strix 1000W Platinum

Lowest Price Here3 of 4

ASUS ROG Strix 1000W Platinum on Amazon (opens in a new tab)

ASUS's ROG Strix 1000W Platinum uses GaN MOSFETs and GPU-first voltage sensing on the graphics card rail.

Best for

Spending as little as possible.

Skip if

Pass on it if rated output of 1000W, behind the ASUS TUF Gaming 1200W Gold (1200W rules it out for your setup.

Why we like it

It carries a Cybenetics LAMBDA A noise rating and a 10-year warranty. GaN MOSFETs raise efficiency, large ROG heatsinks cut temperatures and noise, and 0dB mode keeps it silent during light gaming. On rated output it ties with the be quiet! Dark Power 13 1000W at 1000W.

A platinum 80 plus rating is unique to it among these picks, while the be quiet! Dark Power 13 1000W uses a titanium 80 plus rating. The ASUS ROG Strix 1000W Platinum has no stated native 12V-2x6 cable; confirm the cable kit before pairing it with a 16-pin card. It was the cheapest of the group when we checked; the be quiet! Dark Power 13 1000W was the next step up. The main gap: rated output of 1000W, behind the ASUS TUF Gaming 1200W Gold (1200W). If that matters, the ASUS TUF Gaming 1200W Gold offers 1200W.

Key dimensions & specs

  • Wattage: 1000W
  • Warranty: 10 years
  • 80 Plus rating: Platinum
  • ATX version: ATX 3.1
  • Form factor: ATX
  • Cabling: Fully modular
  • Fan stop: Yes
  • Colour: Black

Pros

  • 1000W of rated output for high-power cards
  • A 10-year warranty
  • 80 Plus Platinum efficiency
  • ATX 3.1 compliance

Cons

  • Rated output of 1000W, behind the ASUS TUF Gaming 1200W Gold (1200W)
be quiet! Dark Power 13 1000W

Strong Alternative4 of 4

be quiet! Dark Power 13 1000W on Amazon (opens in a new tab)

The be quiet!

Best for

Buyers who want frameless Silent Wings fan behind a full-mesh front.

Skip if

Skip it if rated output matters most to you; the ASUS TUF Gaming 1200W Gold offers 1200W.

Why we like it

Dark Power 13 1000W stands out for a frameless Silent Wings fan behind a full-mesh front, and it adds a switch between four 12V rails and one single rail. It also offers a 1000W rated output. A funnel-shaped mesh front feeds the frameless Silent Wings fan, which is near silent, and it supports PCIe 5.0 GPUs.

It matches the ASUS ROG Strix 1000W Platinum on rated output (1000W). It is the only pick here with a titanium 80 plus rating; the ASUS TUF Gaming 1200W Gold has a gold 80 plus rating instead. The be quiet! Dark Power 13 1000W has no stated native 12V-2x6 cable; confirm the cable kit before pairing it with a 16-pin card.

When we checked, only the ASUS ROG Strix 1000W Platinum cost less, and the ASUS TUF Gaming 1200W Gold cost more. Rated output is its weakest area, and the ASUS TUF Gaming 1200W Gold covers it better at 1200W.

Key dimensions & specs

  • Wattage: 1000W
  • 80 Plus rating: Titanium
  • Form factor: ATX
  • Colour: Black

Pros

  • 1000W of rated output for high-power cards
  • 80 Plus Titanium efficiency
  • Frameless Silent Wings fan behind a full-mesh front
  • Switch between four 12V rails and one single rail

Cons

  • Rated output trails the ASUS TUF Gaming 1200W Gold (1200W)
  • No published warranty
  • Costs more than the ASUS ROG Strix 1000W Platinum at the time of writing

How We Chose

Each pick was assessed across 4 criteria weighted for real-world use.

The figures behind the order
We lined up four power supplies on rated output, warranty, 80 Plus rating and ATX version, using each maker's published specs. We did not test them in-house.
The shared baseline
All 4, from the ASUS TUF Gaming 1200W Gold to the be quiet! Dark Power 13 1000W, state rated output, form factor and colour and share Black colour.
Where the specs have gaps
The CORSAIR HX1200i and the be quiet! Dark Power 13 1000W give no warranty; the CORSAIR HX1200i gives no 80 Plus rating.
Price range
At our last check the picks ran from the ASUS ROG Strix 1000W Platinum ($150 to $250) to the CORSAIR HX1200i ($250 to $500).

What to Look for in a PSUs Under $300

Key buying criteria so you get the right fit the first time.

  1. Rated output

    Here rated output runs from 1000W on the be quiet! Dark Power 13 1000W to 1200W on the ASUS TUF Gaming 1200W Gold. The ASUS TUF Gaming 1200W Gold is the pick for rated output.

  2. What to check at home

    The ASUS TUF Gaming 1200W Gold has no stated native 12V-2x6 cable; confirm the cable kit before pairing it with a 16-pin card.

  3. Features beyond the spec table

    The CORSAIR HX1200i: a 140mm FDB fan with zero-RPM mode. The ASUS ROG Strix 1000W Platinum: GPU-first voltage sensing for the graphics card rail. The be quiet! Dark Power 13 1000W: a switch between four 12V rails and one single rail.

  4. Where your budget lands

    $150 to $250 buys the ASUS ROG Strix 1000W Platinum, the be quiet! Dark Power 13 1000W and the ASUS TUF Gaming 1200W Gold; $250 to $500 buys the CORSAIR HX1200i at our last check.

  5. Match the pick to your priority

    Buyers for whom price is not the deciding factor: the CORSAIR HX1200i. Spending as little as possible: the ASUS ROG Strix 1000W Platinum.

  6. Start from the card maker's PSU figure

    NVIDIA and AMD publish a recommended total system power for each card, and partner cards often state their own. Treat that figure as the floor, then add headroom for a high-power CPU.

    More wattage than you need does not harm anything; it mostly costs money.

How to Choose a PSUs Under $300

By priority

PriorityConsiderWhy
Buyers who want military-grade capacitors and chokesASUS TUF Gaming 1200W GoldMilitary-grade capacitors and chokes
Buyers for whom price is not the deciding factorCORSAIR HX1200iMonitoring and fan control through Corsair iCUE at the highest price in the group
Spending as little as possibleASUS ROG Strix 1000W PlatinumThe lowest price of the group at our last check
Buyers who want frameless Silent Wings fan behind a full-mesh frontbe quiet! Dark Power 13 1000WA frameless Silent Wings fan behind a full-mesh front

Scroll sideways to see every column.

Key specs side by side

The ASUS TUF Gaming 1200W Gold leads on rated output at 1200W, ahead of the CORSAIR HX1200i at 1200W. "Not listed" means the maker leaves that figure out.

Power supplieWattageWarranty80 Plus ratingATX version
ASUS TUF Gaming 1200W Gold1200W10 yearsGoldATX 3.1
CORSAIR HX1200i1200WNot listedNot listedATX 3.1
ASUS ROG Strix 1000W Platinum1000W10 yearsPlatinumATX 3.1
be quiet! Dark Power 13 1000W1000WNot listedTitaniumNot listed

Scroll sideways to see every column.

By price at the time of writing

The ASUS ROG Strix 1000W Platinum was the lowest-priced pick and the CORSAIR HX1200i the highest when we checked; tiers move with Amazon pricing.

Price tierPower supplies
About $150 to $250ASUS ROG Strix 1000W Platinum, be quiet! Dark Power 13 1000W, ASUS TUF Gaming 1200W Gold
About $250 to $500CORSAIR HX1200i

Frequently Asked Questions

Is the CORSAIR HX1200i worth paying more than the ASUS ROG Strix 1000W Platinum?

On paper it adds rated output (1200W against 1000W). The ASUS ROG Strix 1000W Platinum was the lowest-priced pick when we checked, so pay the difference only if those gains matter to you.

What makes the CORSAIR HX1200i the Premium Pick?

It earns the label for monitoring and fan control through Corsair iCUE at the highest price in the group. It suits buyers for whom price is not the deciding factor.

Do the ASUS TUF Gaming 1200W Gold and the ASUS ROG Strix 1000W Platinum differ on 80 Plus rating?

The ASUS TUF Gaming 1200W Gold uses Gold; the ASUS ROG Strix 1000W Platinum uses platinum; the be quiet! Dark Power 13 1000W uses titanium. The maker of the CORSAIR HX1200i doesn't say.

What should I check before buying the be quiet! Dark Power 13 1000W?

The be quiet! Dark Power 13 1000W has no stated native 12V-2x6 cable; confirm the cable kit before pairing it with a 16-pin card. No depth is rated for the be quiet! Dark Power 13 1000W, so check the maker's page against your case's PSU bay. In this guide it ranks fourth of 4.

Beyond the specs, what sets the ASUS TUF Gaming 1200W Gold and the CORSAIR HX1200i apart?

The ASUS TUF Gaming 1200W Gold: military-grade capacitors and chokes. The CORSAIR HX1200i: monitoring and fan control through Corsair iCUE. The ASUS ROG Strix 1000W Platinum: GaN MOSFETs.

Bottom Line

Our first pick is the ASUS TUF Gaming 1200W Gold, chosen for military-grade capacitors and chokes. Look at the CORSAIR HX1200i for monitoring and fan control through Corsair iCUE at the highest price in the group, the ASUS ROG Strix 1000W Platinum for the lowest price of the group at our last check and the be quiet! Dark Power 13 1000W for a frameless Silent Wings fan behind a full-mesh front if those matter more to you.

Check the case can fit a deeper high-wattage unit.