Buying Guide
The Best Power Supplies for the RTX 5070 Ti
Six 750W and 850W units with native 12V-2x6 cables, matched to NVIDIA's 750W recommendation for the RTX 5070 Ti.
By The PC Journal editorial team
12 min read6 products evaluated
NVIDIA recommends a 750W power supply for the RTX 5070 Ti, which uses a single 16-pin 12V-2x6 connector. Every unit here offers a native 12V-2x6 cable.
We compared wattage, connectors and ratings from the power supply listings against the card maker's guidance; we did not load-test these units.
Quick Picks
Our 6 recommendations at a glance. Tap a pick for the full verdict.
Best Match for an RTX 5070 Ti
ASRock Phantom Gaming PG-750G
750W with a 90-degree 12V-2x6 cable and a 10-year warranty.
Best for: Most RTX 5070 Ti builds.
Our take Check price for ASRock Phantom Gaming PG-750G (opens in a new tab)
Best Warranty Value
MSI MAG A750GL PCIE5
A 10-year warranty on a compact 750W unit.
Best for: Long-term builds.
Our take Check price for MSI MAG A750GL PCIE5 (opens in a new tab)
Best Budget 750W
darkFlash DG750
A 140mm body with a native 12V-2x6 cable.
Best for: Keeping cost down.
Our take Check price for darkFlash DG750 (opens in a new tab)
Best for Mixed Cards
be quiet! Pure Power 12 750W
Three PCIe 8-pin connectors plus a 12V-2x6.
Best for: Swapping between cards.
Our take Check price for be quiet! Pure Power 12 750W (opens in a new tab)
Best Corsair Pick
CORSAIR RM750x (ATX 3.1)
A fully modular unit with Cybenetics Gold.
Best for: Corsair builds.
Our take Check price for CORSAIR RM750x (ATX 3.1) (opens in a new tab)
Best 850W Headroom
darkFlash DG850
850W in a 140mm body.
Best for: High-power CPUs.
Our take Check price for darkFlash DG850 (opens in a new tab)
| Pick | Why it’s here | Best for | Price |
|---|---|---|---|
| 750W with a 90-degree 12V-2x6 cable and a 10-year warranty. | Most RTX 5070 Ti builds. | Check price for ASRock Phantom Gaming PG-750G (opens in a new tab) |
| A 10-year warranty on a compact 750W unit. | Long-term builds. | Check price for MSI MAG A750GL PCIE5 (opens in a new tab) |
| A 140mm body with a native 12V-2x6 cable. | Keeping cost down. | Check price for darkFlash DG750 (opens in a new tab) |
| Three PCIe 8-pin connectors plus a 12V-2x6. | Swapping between cards. | Check price for be quiet! Pure Power 12 750W (opens in a new tab) |
| A fully modular unit with Cybenetics Gold. | Corsair builds. | Check price for CORSAIR RM750x (ATX 3.1) (opens in a new tab) |
| 850W in a 140mm body. | High-power CPUs. | Check price for darkFlash DG850 (opens in a new tab) |
Our Picks
Best Match for an RTX 5070 Ti1 of 6
ASRock Phantom Gaming PG-750G on Amazon (opens in a new tab)
ASRock's Phantom Gaming PG-750G has a 90-degree 12V-2x6 cable with a temperature sensor, braided cables and a 10-year warranty.
Best for
- Most RTX 5070 Ti builds.
Skip if
- Skip it if depth matters most to you; the darkFlash DG750 offers 140mm.
Why we like it
It is 150mm deep and rated Cybenetics Platinum. It is fully modular with braided cables and a 90-degree PCIe 5.1 connector that has a temperature sensor. ASRock rates its efficiency 2% above the Gold standard.
On rated output it ties with the MSI MAG A750GL PCIE5, the darkFlash DG750, the be quiet! Pure Power 12 750W and the CORSAIR RM750x at 750W. It matches the MSI MAG A750GL PCIE5 on warranty (10 years). On depth it trails the group at 150mm, while the darkFlash DG750 comes in at 140mm.
The ASRock Phantom Gaming PG-750G comes with a native 12V-2x6 cable, so a 16-pin card plugs in without an adapter. At 150mm deep, compare it with your case's PSU clearance before buying. On price it sat third of 6, between the cheaper darkFlash DG850 and the pricier be quiet! Pure Power 12 750W, at the time of writing.
Key dimensions & specs
- Wattage: 750W
- Native 12V-2x6 cables: 1
- Warranty: 10 years
- Depth: 150mm
- 80 Plus rating: Gold
- Cybenetics rating: Platinum
- ATX version: ATX 3.1
- Form factor: ATX
- Cabling: Fully modular
- Colour: Black
Pros
- A 750W rating
- A native 12V-2x6 cable for 16-pin cards
- A 10-year warranty
- ATX 3.1 compliance
Cons
- Depth trails the darkFlash DG750 (140mm)
- Costs more than the darkFlash DG750 at the time of writing
Best Warranty Value2 of 6
MSI MAG A750GL PCIE5 on Amazon (opens in a new tab)
MSI's MAG A750GL PCIE5 is a fully modular 750W unit with a native 12V-2x6 cable and a 10-year warranty, in a compact body.
Best for
- Long-term builds.
Skip if
- Its depth is not published, which rules it out if you need that number.
Why we like it
It is 80 Plus Gold rated and carries a 10-year limited warranty. On rated output it ties with the ASRock Phantom Gaming PG-750G, the darkFlash DG750, the be quiet! Pure Power 12 750W and the CORSAIR RM750x at 750W. It matches the ASRock Phantom Gaming PG-750G on warranty (10 years).
You also get a compact body MSI markets for easier fitting. No depth is rated for the MSI MAG A750GL PCIE5, so check the maker's page against your case's PSU bay. On price it sat fifth of 6, between the cheaper be quiet! Pure Power 12 750W and the pricier CORSAIR RM750x, at the time of writing. The maker doesn't give its depth; if that figure matters, the darkFlash DG750 comes in at 140mm.
Key dimensions & specs
- Wattage: 750W
- Native 12V-2x6 cables: 1
- Warranty: 10 years
- 80 Plus rating: Gold
- ATX version: ATX 3.1
- Form factor: ATX
- Cabling: Fully modular
- Colour: Black
Pros
- A 750W rating
- A native 12V-2x6 cable for 16-pin cards
- A 10-year warranty
- ATX 3.1 compliance
Cons
- No published depth
- Costs more than the darkFlash DG750 at the time of writing
Best Budget 750W3 of 6
darkFlash DG750 on Amazon (opens in a new tab)
darkFlash's DG750 is a 140mm-deep 80 Plus Gold unit with a native 12V-2x6 cable and a hydraulic-bearing fan.
Best for
- Keeping cost down.
Skip if
- Worth skipping when a shorter 5-year warrant is a problem.
Why we like it
Its warranty is 5 years. It is fully modular with a quiet HDB fan, 80 Plus Gold rated, and backed by a 5-year limited warranty. Its fully modular cables reduce clutter for first-time builders.
It matches the ASRock Phantom Gaming PG-750G, the MSI MAG A750GL PCIE5, the be quiet! Pure Power 12 750W and the CORSAIR RM750x on rated output (750W). On warranty it ties with the darkFlash DG850 at 5 years. It matches the darkFlash DG850 on depth (140mm).
It also comes with a 140mm body that leaves room for cables. The darkFlash DG750 comes with a native 12V-2x6 cable, so a 16-pin card plugs in without an adapter. At 140mm deep, compare it with your case's PSU clearance before buying.
No other pick here cost less at our last price check, and the darkFlash DG850 was closest. What it gives up: rated output of 750W, behind the darkFlash DG850 (850W); by contrast, the darkFlash DG850 offers 850W.
Key dimensions & specs
- Wattage: 750W
- Native 12V-2x6 cables: 1
- Warranty: 5 years
- Depth: 140mm
- 80 Plus rating: Gold
- ATX version: ATX 3.1
- Form factor: ATX
- Cabling: Fully modular
- Colour: Black
Pros
- A 750W rating
- A native 12V-2x6 cable for 16-pin cards
- A short 140mm body
- ATX 3.1 compliance
Cons
- A shorter 5-year warranty
- Rated output of 750W, behind the darkFlash DG850 (850W)
Best for Mixed Cards4 of 6
be quiet! Pure Power 12 750W on Amazon (opens in a new tab)
be quiet!'s Pure Power 12 750W pairs a native 12V-2x6 with three PCIe 8-pin connectors, cooled by a temperature-controlled 120mm fan.
Best for
- Swapping between cards.
Skip if
- Skip it if you need to know its warranty before buying; the maker doesn't publish one.
Why we like it
Its airflow-optimised fan blades reduce turbulence, which helps keep it quiet under a gaming load. It suits a mid-range build that still uses an 8-pin graphics card, and be quiet! designs it to handle short power excursions from the GPU. It matches the ASRock Phantom Gaming PG-750G, the MSI MAG A750GL PCIE5, the darkFlash DG750 and the CORSAIR RM750x on rated output (750W).
No depth is rated for the be quiet! Pure Power 12 750W, so check the maker's page against your case's PSU bay. If you want a confirmed warranty, look to the ASRock Phantom Gaming PG-750G instead: it offers 10 years, while this one gives no figure.
Key dimensions & specs
- Wattage: 750W
- Native 12V-2x6 cables: 1
- PCIe 8-pin connectors: 3
- 80 Plus rating: Gold
- ATX version: ATX 3.1
- Form factor: ATX
- Fan: 120mm
- Colour: Black
Pros
- A 750W rating
- A native 12V-2x6 cable for 16-pin cards
- ATX 3.1 compliance
- Temperature-controlled 120mm be quiet! fan
Cons
- No published warranty
- No published depth
- Costs more than the darkFlash DG750 at the time of writing
Best Corsair Pick5 of 6
CORSAIR RM750x (ATX 3.1) on Amazon (opens in a new tab)
Corsair's RM750x is a fully modular ATX 3.1 unit with a native 12V-2x6 cable and a Cybenetics Gold rating.
Best for
- Corsair builds.
Skip if
- Skip it if rated output matters most to you; the darkFlash DG850 offers 850W.
Why we like it
It is Cybenetics Gold rated at up to 91% efficiency, and its embossed cables with low-profile combs are easy to route. On rated output it ties with the ASRock Phantom Gaming PG-750G, the MSI MAG A750GL PCIE5, the darkFlash DG750 and the be quiet! Pure Power 12 750W at 750W. The CORSAIR RM750x comes with a native 12V-2x6 cable, so a 16-pin card plugs in without an adapter.
No depth is rated for the CORSAIR RM750x, so check the maker's page against your case's PSU bay. It was the highest-priced of the 6 picks at the time of writing, so the case for it rests on what it adds over the MSI MAG A750GL PCIE5 and the rest. The trade-off is rated output; for more, the darkFlash DG850 offers 850W.
Key dimensions & specs
- Wattage: 750W
- Native 12V-2x6 cables: 1
- Cybenetics rating: Gold
- ATX version: ATX 3.1
- Form factor: ATX
- Cabling: Fully modular
- Colour: Black
Pros
- A 750W rating
- A native 12V-2x6 cable for 16-pin cards
- ATX 3.1 compliance
- Fully modular cables
Cons
- Rated output trails the darkFlash DG850 (850W)
- No published warranty
- No published depth
Best 850W Headroom6 of 6
darkFlash DG850 on Amazon (opens in a new tab)
darkFlash's DG850 fits 850W into a 140mm body, with a native 12V-2x6 cable and fully modular cables.
Best for
- High-power CPUs.
Skip if
- Skip it if this is a deal-breaker for you: a shorter 5-year warranty.
Why we like it
Its warranty is 5 years. It is fully modular with a quiet HDB fan, and it carries a 5-year limited warranty with built-in protections. Its 850W output suits high-end CPU and GPU builds.
On rated output it leads this guide at 850W, ahead of the ASRock Phantom Gaming PG-750G (750W). On warranty it ties with the darkFlash DG750 at 5 years. It matches the darkFlash DG750 on depth (140mm).
It also offers multi-protection circuitry. The darkFlash DG850 comes with a native 12V-2x6 cable, so a 16-pin card plugs in without an adapter. At 140mm deep, compare it with your case's PSU clearance before buying.
When we checked, only the darkFlash DG750 cost less, and the ASRock Phantom Gaming PG-750G cost more. Native 12V-2x6 cable count is its weakest area, and the ASRock Phantom Gaming PG-750G covers it better at 1.
Key dimensions & specs
- Wattage: 850W
- Native 12V-2x6 cables: 1
- Warranty: 5 years
- Depth: 140mm
- 80 Plus rating: Gold
- ATX version: ATX 3.1
- Form factor: ATX
- Cabling: Fully modular
- Colour: Black
Pros
- A 850W rating
- A native 12V-2x6 cable for 16-pin cards
- A short 140mm body
- ATX 3.1 compliance
Cons
- A shorter 5-year warranty
- Warranty trails the ASRock Phantom Gaming PG-750G (10 years)
- Costs more than the darkFlash DG750 at the time of writing
How We Chose
Each pick was assessed across 4 criteria weighted for real-world use.
- Price
- We grouped picks by price at the time of writing.
- Build and warranty
- We checked depth, modular cabling, fan-stop modes and warranty length.
- Connectors
- We recorded native 12V-2x6 cables and PCIe 8-pin connectors where the listing states them.
- Wattage
- We compared rated output with NVIDIA's or AMD's recommended system power for the card.
What to Look for in a PSUs for RTX 5070 Ti
Key buying criteria so you get the right fit the first time.
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.
Match the power connector
Most RTX 40 and RTX 50 cards use a single 16-pin 12V-2x6 (12VHPWR) plug, while many Radeon cards use two or three 8-pin plugs. A native cable avoids bulky adapters.
Push the 16-pin plug fully home and avoid a sharp bend right at the connector.
Use the warranty as a quality signal
Long warranties of seven to twelve years show how long a maker expects a unit to last. A power supply often moves from one build to the next, so the warranty matters.
Prefer ATX 3.1
ATX 3.1 units are designed for the brief power spikes modern graphics cards produce and ship with the revised 12V-2x6 connector. Older units can still work, but check the maker's guidance for your card.
Check depth and cabling
Deeper units can clash with drive cages or front radiators. Fully modular cables make routing easier in tight cases.
Compare efficiency ratings
80 Plus and Cybenetics ratings describe how much power turns into heat. Gold is the usual target for a gaming PC; Platinum and Titanium run cooler and cost more.
How to Choose a PSUs for RTX 5070 Ti
By priority
| Priority | Consider | Why |
|---|---|---|
| Most RTX 5070 Ti builds | ASRock Phantom Gaming PG-750G | 750W with a 90-degree 12V-2x6 cable and a 10-year warranty |
| Long-term builds | MSI MAG A750GL PCIE5 | A 10-year warranty on a compact 750W unit |
| Keeping cost down | darkFlash DG750 | A 140mm body with a native 12V-2x6 cable |
| Swapping between cards | be quiet! Pure Power 12 750W | Three PCIe 8-pin connectors plus a 12V-2x6 |
| Corsair builds | CORSAIR RM750x | A fully modular unit with Cybenetics Gold |
| High-power CPUs | darkFlash DG850 | 850W in a 140mm body |
Scroll sideways to see every column.
Key specs side by side
Figures as each maker states them.
| Power supplie | Wattage | Native 12V-2x6 cables | Warranty | Depth |
|---|---|---|---|---|
| ASRock Phantom Gaming PG-750G | 750W | 1 | 10 years | 150mm |
| MSI MAG A750GL PCIE5 | 750W | 1 | 10 years | Not listed |
| darkFlash DG750 | 750W | 1 | 5 years | 140mm |
| be quiet! Pure Power 12 750W | 750W | 1 | Not listed | Not listed |
| CORSAIR RM750x | 750W | 1 | Not listed | Not listed |
| darkFlash DG850 | 850W | 1 | 5 years | 140mm |
Scroll sideways to see every column.
By price at the time of writing
Prices change often; these tiers reflect Amazon prices when this guide was updated.
| Price tier | Power supplies |
|---|---|
| About $50 to $100 | darkFlash DG750, darkFlash DG850, ASRock Phantom Gaming PG-750G, be quiet! Pure Power 12 750W, MSI MAG A750GL PCIE5 |
| About $100 to $150 | CORSAIR RM750x |
Frequently Asked Questions
Can I use the 16-pin adapter that came with my graphics card?
Yes, if it is the maker's own adapter and every 8-pin plug on it is connected. A native 12V-2x6 cable is tidier and has fewer joins.
Can I reuse the power supply from my old PC?
Only if it meets the card's wattage and connector needs and is still under warranty or in good health. Very old units lack modern connectors.
Does a Platinum unit save much on electricity?
Only a little for most gaming PCs. The main gains are less heat and often a quieter fan.
Can I use an SFX power supply?
Yes, if the case supports SFX and the unit meets the wattage and connector needs of your card. SFX units cost more per watt.
Is an ATX 3.0 power supply still fine?
Generally yes. ATX 3.1 mainly revises the connector to 12V-2x6 and relaxes some spike requirements; check your unit's cable is rated for your card.
How much headroom should I leave above the recommended wattage?
The card maker's figure already covers a typical system. Add 100 to 150W if you run a high-power CPU or plan a bigger card later.
Bottom Line
ASRock's PG-750G is the best-matched unit for an RTX 5070 Ti here, and MSI's A750GL offers the same warranty length in a compact body. darkFlash's DG750 is the budget pick.