CORSAIR RM750x Shift Fully Modular ATX Power Supply - 80 Plus Gold - ATX 3.1 - PCIe 5.1 - Zero RPM - Side Interface - White
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AI Verdict
A 750-watt, 80 Plus Gold ATX 3.1 power supply with side-mounted modular connections for specific case builds.
This 750W ATX 3.1 power supply is a strong contender for builds that can leverage its unique side-interface design for cable management. Its 160mm length and side connectors mean it won't fit comfortably in every case, especially those with restrictive PSU shrouds. It's a specific solution for a specific problem.
If the side interface is a concern, look for a standard rear-interface fully modular ATX 3.1 PSU with a length of 140mm or less for broader case compatibility.
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Pros
- Side-mounted modular connections simplify cable routing in compatible cases.
- Complies with ATX 3.1 and PCIe 5.1 standards, including a 600W 12+4 PCIe connector.
- Features a 140mm fluid dynamic bearing fan with Zero RPM mode for quiet operation at low to mid loads.
- Utilizes 100% 105°C-rated Japanese electrolytic capacitors for power delivery and longevity.
- Rated A+ on SPL ratings, indicating high-quality performance.
- Backed by a ten-year warranty.
Cons
- The 160mm length and side connectors can cause compatibility issues with cases that have tight PSU shrouds or limited space.
- Only includes two PCIe cables, which may be insufficient for some AMD GPUs requiring three.
- The side interface design is not suitable for all PC cases, requiring careful case selection.
- Some users report the thick PSU cables can be difficult to manage in tight clearances, even with the side interface.
Dimension Scores
The 80 Plus Gold certification, ATX 3.1 compliance, and 600W 12+4 PCIe connector ensure efficient and modern power delivery.
The 140mm fluid dynamic bearing fan with Zero RPM mode ensures silent operation at low to mid loads.
It uses 100% 105°C-rated Japanese electrolytic capacitors and receives A+ on SPL ratings, indicating high-quality components and construction.
The side-interface design simplifies cable routing in compatible cases, but its specific clearance requirements can make it challenging in others.
Best For
- New PC builds prioritizing clean aesthetics and simplified cable management with a compatible case.
- Upgrading existing systems to ATX 3.1 and PCIe 5.1 for modern GPUs.
- Users seeking a quiet power supply for gaming or productivity rigs with up to 750W power needs.
- Enthusiasts building in cases known to accommodate the side-interface design, like the Corsair 4000D or Flux Pro.
Not Recommended For
- Small Form Factor (SFF) builds or cases with restricted PSU compartment dimensions.
- Users with older cases that lack sufficient clearance for side-mounted cables.
- Systems requiring three dedicated PCIe cables for specific high-power AMD graphics cards without additional cable purchases.
Watch Out For
- The side interface requires at least 3cm of wiggle room for cables, which many cases, especially those with PSU shrouds, might not provide.
- Some users reported that the thick PSU cables, even with the side interface, can be difficult to route in cases with tight clearances.
- If your AMD GPU needs three PCIe cables, you'll have to buy an extra cable, as the PSU only comes with two.
- The 160mm length is slightly larger than standard ATX, potentially causing fitment issues in compact mid-towers.
Full Specifications
| ASIN | B0CWLTQD5K |
| Brand | Corsair |
| Color | White |
| Series | RMx SHIFT |
| Wattage | 750 watts |
| Model Name | RMx SHIFT |
| Form Factor | ATX |
| Item Weight | 3.75 pounds |
| Manufacturer | Corsair |
| Connector Type | ATX |
| Cooling Method | Air |
| Output Wattage | 750 |
| Item model number | CP-9020273-NA |
| Compatible Devices | Monitor |
| Product Dimensions | 6.3 x 5.91 x 3.39 inches |
| Item Dimensions LxWxH | 6.3 x 5.91 x 3.39 inches |
| Item dimensions L x W x H | 6.3 x 5.91 x 3.39 inches |
What Buyers Say
The most talked-about feature of this PSU is definitely the side-mounted modular connections. Users either absolutely love it for making cable management a breeze in their specific cases, or they're worried it won't fit or will be a pain due to tight clearances. It's frequently praised for being quiet, even under load, and for its overall build quality, with many noting its A+ tier rating. The ATX 3.1 and PCIe 5.1 support is a big plus for modern GPU compatibility, though some users pointed out the limited number of PCIe cables for certain AMD cards.
“OMG, the side cables are a game-changer for my build, no more fighting with stiff wires in a tiny space, but seriously, check your case clearance first or you'll be mad!”
Common Praise
- The side interface makes connecting cables significantly easier and cleaner in cases with enough room.
- Operates silently due to the Zero RPM fan mode and fluid dynamic bearing fan.
- Considered a 'rock-solid' and 'quality built' power supply with high-quality components.
- ATX 3.1 and PCIe 5.1 compliance with the 12VHPWR cable is appreciated for modern systems.
- The 10-year warranty provides long-term confidence.
Common Complaints
- The side-mounted connectors and 160mm length can make it incompatible with many cases, especially those with restrictive PSU shrouds.
- Only two PCIe cables are included, which is insufficient for some AMD GPUs that require three.
- The thick modular cables can still be difficult to manage even with the side interface if case clearances are tight.
- Some users wish for an 850W version with the same features.
Ownership Tips
- The Zero RPM fan mode actually works, keeping the system dead quiet during light use and web browsing.
- The white finish looks really clean and integrates well with white-themed builds.
- Even with the side connectors, the stiffness of the cables means you still need to plan your routing carefully.
- The 12VHPWR cable feels sturdy and securely connects to the GPU.
- The unit runs cool, even under gaming loads, suggesting the 140mm fan and efficiency are doing their job.
Frequently Asked Questions
Will this PSU fit in my case?
The CORSAIR RM750x Shift is 160mm long, and its modular connections are on the side. You need to ensure your case has enough clearance (at least 3cm) next to the PSU for the cables to bend without obstruction.
Is 750 watts enough for a high-end graphics card?
For many current high-end GPUs like the RTX 5070 or 5070ti, 750W is sufficient, especially with its ATX 3.1 and PCIe 5.1 compliance and included 12VHPWR cable. However, if you have a high TDP CPU or plan on a very power-hungry GPU upgrade, an 850W unit might offer more headroom.
Does this PSU make a lot of noise?
No, it's designed for quiet operation. It features a 140mm fluid dynamic bearing fan with a Zero RPM mode, meaning the fan won't spin at low to mid loads, keeping it silent.
What's the deal with the side connectors?
The side-mounted connectors are designed to make cable management easier and cleaner by providing direct access to the modular ports. This can be a significant advantage in cases where the traditional rear-facing ports are hard to reach.
Does it come with all the cables I need for a modern GPU?
It includes a 12VHPWR cable for NVIDIA's PCIe 5.1 GPUs. However, if your AMD card requires three separate 8-pin PCIe cables, you might need to purchase an additional cable, as it typically only comes with two.
Buying Guide
When you're looking at a power supply like this, you need to think about more than just wattage. The 'Shift' part means the cable plugs are on the side, not the back. This is awesome for making your PC look tidy, but only if your computer case has enough space for those cables to stick out. You also need to check if your graphics card needs a special cable (like the 12VHPWR for newer NVIDIA cards) and how many regular PCIe cables it needs, because some AMD cards need more than what's included here. Don't forget about the ATX 3.1 standard; it's important for future-proofing with new GPUs.
wattage (750 watts)
This is how much power the PSU can deliver. Think of it like the horsepower of a car; 750W is enough for most gaming PCs with a single high-end graphics card and a modern CPU, but if you're running multiple GPUs or a super power-hungry CPU, you might need more.
80 Plus Gold
This rating tells you how efficient the power supply is at converting wall power into usable PC power. Gold means it's at least 87% efficient at 100% load, which saves you a little on your electricity bill and means less wasted heat inside your case. Higher efficiency is always better.
ATX 3.1 / PCIe 5.1
These are the latest standards for power supplies and graphics card connections. ATX 3.1 ensures the PSU can handle sudden power spikes from modern GPUs without shutting down, and PCIe 5.1 means it has the proper connector (12VHPWR) for the newest, most powerful graphics cards. It's like having the right plug for the newest appliance.
Fully Modular / Side Interface
Fully modular means you only plug in the cables you need, which reduces clutter. The 'Side Interface' is unique here; instead of plugging cables into the back of the PSU, they plug into the side. This can make cable management much easier in cases where the back of the PSU is hard to reach, but it requires specific case clearance.
Alternatives
If the side interface isn't for you, look for a standard rear-interface fully modular ATX 3.1 PSU with similar wattage and 80 Plus Gold efficiency. If 750W isn't enough, search for 850W or 1000W ATX 3.1 units.
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