6 Best Alternatives to the Montech Computer Case PSU Combo (2026)
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You might be looking for montech computer case psu combo alternatives if you want a high-wattage power supply paired with a compatible case. The Montech Century II 1200W PSU Combo offers a straightforward solution for builders seeking convenience and matching aesthetics. It includes the King 15 PRO case with a 1200W power supply. This pre-matched setup simplifies the build process by ensuring physical compatibility and visual cohesion out of the box.
However, you may need different specifications for your specific build. Some users prefer standalone power supplies to mix and match components or to fit different case sizes. Others might prioritize higher efficiency ratings or longer warranty periods than the original combo provides. The alternatives on this list were chosen because their specs overlap with the original. We compared wattage, modularity, efficiency, and physical dimensions to find suitable replacements. This approach ensures you find a power supply that meets your technical requirements, whether you need more power, better efficiency, or a different form factor for your PC build.
How Each Alternative Compares
EVGA SuperNOVA G2 1300W Fully Modular PSU
The EVGA SuperNOVA G2 1300W is a standalone power supply, so you must source your own case. It offers 1300W of power, which is higher than the 1200W in the Montech combo. This unit is fully modular, allowing you to connect only the cables you need. It carries an 80 Plus Gold efficiency rating and includes a 10-year warranty. The EVGA unit is larger and heavier than standard units, measuring 12 inches by 11.2 inches. This option suits users who prioritize raw wattage and long-term support over the convenience of a pre-matched case and power supply bundle.
Thermaltake Toughpower Grand 850W Gold PSU
The Thermaltake Toughpower Grand 850W is a standalone unit, meaning you need to pair it with a case separately. It provides 850W of power, which is lower than the 1200W in the Montech combo. This unit features 80 Plus Gold efficiency and a fully modular design. It is built for ATX form factors and weighs 6 pounds. The dimensions are 13.3 inches by 8.27 inches by 6.18 inches. This choice is practical for users who do not need extreme wattage but want a reliable, efficient power source for high-load tasks like mining, without the bulk of a larger case bundle.
EVGA SuperNOVA 850W Platinum Power Supply
The EVGA SuperNOVA 850W Platinum is a standalone power supply, requiring you to find a compatible case. It delivers 850W of power, less than the 1200W in the Montech combo. However, it offers 80 Plus Platinum efficiency, which is higher than the typical Gold rating found in many bundles. It is fully modular and includes a 10-year warranty. The unit is compact, measuring 6.5 inches by 5.91 inches by 3.3 inches. This option is ideal for builders who prioritize quiet operation and top-tier efficiency over maximum wattage and the convenience of a matched case and PSU set.
EVGA 1000 GQ 1000W Semi-Modular PSU
The EVGA 1000 GQ is a standalone power supply, so you must purchase a case separately. It provides 1000W of power, which is lower than the 1200W in the Montech combo. This unit is semi-modular, offering a balance between cable management and cost. It features 80 Plus Gold efficiency and comes with a 5-year warranty. The dimensions are 7.09 inches by 5.91 inches by 3.35 inches. This choice suits users who need high power output and good efficiency but want to avoid the higher cost of fully modular units or the need for a pre-matched case bundle.
EVGA Supernova 1300 G+ 1300W Gold PSU
The EVGA Supernova 1300 G+ is a standalone unit, requiring you to source your own case. It offers 1300W of power, which exceeds the 1200W in the Montech combo. This unit is fully modular and features 80 Plus Gold efficiency. It includes a 10-year warranty for long-term reliability. The physical dimensions are 3.4 inches by 5.9 inches by 7.87 inches, and it weighs 5 pounds. This option is best for enthusiasts building extreme multi-GPU workstations who need maximum power and flexibility, rather than the convenience of a pre-matched case and power supply package.
Corsair RM550x 550W 80 Plus Gold PSU
The Corsair RM550x is a standalone power supply, so you must pair it with a case. It provides 550W of power, which is significantly lower than the 1200W in the Montech combo. This unit is fully modular and features 80 Plus Gold efficiency. It is designed for ATX form factors. The unit is lightweight at 3.31 pounds and measures 6.3 inches by 5.91 inches by 3.39 inches. This choice is ideal for mid-range builds where high wattage is unnecessary. It prioritizes efficiency and silence over the high power output and bundled convenience of the Montech combo.
Quick picks
Our 7 picks
Montech Century II 1200W PSU Combo
Best for: high-wattage pre-matched PC builds
You get a complete PC building kit with the Montech King 15 PRO case and Century II power supply. The PSU offers 1200W of power, which supports high-end graphics cards and processors. This combo simplifies your build by providing matching components. It is ideal for users who want a cohesive look and sufficient power for demanding gaming or workstation tasks without sourcing parts separately.
Pros
- Includes a 1200W power supply for high performance
- Combines case and PSU for easier assembly
- Matching aesthetic between case and power unit
Cons
- Limited to specific case and wattage combinations
- No 80 Plus efficiency rating listed in data
- Case height is 17.9 inches, requiring adequate desk space
Good fit if
- You want a pre-matched case and power supply
- You need high wattage for a powerful build
- You prefer a unified design aesthetic
Skip if
- You need a specific 80 Plus efficiency certification
- You prefer to mix and match components freely
- You have limited vertical space for a 17.9-inch case
Verdict: Montech King 15 PRO Case with 1200W PSU provides a straightforward solution for builders seeking a high-wattage power supply paired with a compatible case. It suits those prioritizing convenience and matching aesthetics over component flexibility.
EVGA SuperNOVA G2 1300W Fully Modular PSU
Best for: High-wattage multi-GPU workstations
- Wattage
- 1300W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- Fan Size
- 140mm
- Warranty
- 10 Year
- Dimensions
- 7.4 × 12 × 11.2 inches
The EVGA SuperNOVA 1300 G2 is a fully modular power supply rated at 1300 watts. It carries an 80 PLUS Gold efficiency certification, reaching up to 90% efficiency under typical loads. The unit features a 140mm double ball bearing fan for cooling. It includes comprehensive protection circuits like OVP and UVP. This unit suits users needing high wattage for demanding multi-GPU setups.
Pros
- 1300W output capacity for high-end builds
- 80 PLUS Gold efficiency rating
- Fully modular cable design
- 10-year warranty coverage
- 140mm double ball bearing fan
Cons
- Large physical dimensions may not fit small cases
- Semi-modular rating in some listings conflicts with fully modular title
- Heavier build at 8 pounds
Good fit if
- You need 1300W for dual GPU systems
- You want a 10-year warranty
- You prefer fully modular cables
Skip if
- You have a small form factor case
- You only need under 850W
- You want a silent fan at low loads
Verdict: EVGA SuperNOVA 1300W Gold PSU offers high wattage and a long warranty for power-hungry systems. It fits users with large cases and multi-GPU needs.
Thermaltake Toughpower Grand 850W Gold PSU
Best for: mining rigs and high-load continuous use
- Wattage
- 850W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 12V 2.3
- Fan Size
- 14cm
- Dimensions
- 13.3 × 8.27 × 6.18 inches
This Thermaltake unit delivers 850W of continuous power at 50°C. It holds an 80 PLUS Gold rating for high efficiency. The fully modular design lets you connect only the cables you need. A 14cm fan helps keep noise levels low. It fits standard ATX cases. This power supply suits builders who want reliable performance for mining or high-load tasks.
Pros
- 80 PLUS Gold efficiency certification
- Fully modular cable management
- 850W continuous output at 50°C
- 14cm fan for reduced noise
- Japanese capacitors for reliability
Cons
- Larger 13.3-inch length may not fit small cases
- Heavier at 6 pounds
- Specific cryptocurrency mining focus limits general appeal
Good fit if
- You need high efficiency for continuous loads
- You want fully modular cables
- You are building a mining rig
Skip if
- You have a small form factor case
- You need 1300W or more
- You prefer platinum efficiency
Verdict: Thermaltake Toughpower Grand 850W Gold is a solid choice for miners or users needing sustained 850W output. Its gold efficiency and modular design make it practical for specific high-load builds.
EVGA SuperNOVA 850W Platinum Power Supply
Best for: high efficiency gaming builds
- Wattage
- 850W
- Efficiency Rating
- 80 PLUS Platinum
- Modularity
- Fully Modular
- Fan Size
- 140mm
- Warranty
- 10 Year
- Dimensions
- 6.5 × 5.91 × 3.3 inches
The EVGA SuperNOVA 850 P2 is a fully modular power supply with 80 PLUS Platinum efficiency. It delivers 850W of power using 140mm double ball bearing fans. Japanese capacitors support long-term reliability. You get a 10-year warranty for peace of mind. This unit suits builders who want high efficiency and low noise for standard gaming or workstation builds.
Pros
- 80 PLUS Platinum efficiency rating
- Fully modular cable design
- 140mm double ball bearing fan
- 10-year warranty coverage
Cons
- 850W output may limit extreme overclocking
- Heavier build at 7.95 pounds
- No smart monitoring features listed
Good fit if
- You need high efficiency for lower heat
- You want fully modular cables for clean builds
- You prefer long warranty support
Skip if
- You require over 850W of power
- You need smart app connectivity
- You prefer lighter power supplies
Verdict: EVGA SuperNOVA 850 P2 850W offers top-tier efficiency and reliability for standard high-end builds. It fits users prioritizing quiet operation and cable management over raw wattage.
EVGA 1000 GQ 1000W Semi-Modular PSU
Best for: high-wattage builds needing efficiency
- Wattage
- 1000W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Semi Modular
- Fan Size
- 135mm
- Warranty
- 5 Year
- Dimensions
- 7.09 × 5.91 × 3.35 inches
This EVGA power supply delivers 1000W of power with 80 PLUS Gold efficiency. It features a semi-modular design, meaning you connect only the cables you need. A 135mm fan keeps the unit cool and quiet. It includes Japanese capacitors for stability. The 5-year warranty offers peace of mind. This unit suits users needing high wattage without full modularity complexity.
Pros
- 80 PLUS Gold efficiency rating
- 1000W output capacity
- Semi-modular cable design
- 135mm fluid dynamic bearing fan
- 5-year warranty coverage
Cons
- Semi-modular design requires permanent cables
- Heavier at 7 pounds than some alternatives
- Shorter warranty than 10-year options
Good fit if
- You need high wattage for future upgrades
- You want efficient power delivery
- You prefer semi-modular simplicity
Skip if
- You require fully modular cables
- You need a 10-year warranty
- You prefer lower wattage units
Verdict: EVGA 1000W Semi-Modular 80+ Gold fits builders who need reliable high power and efficiency without the cost of full modularity. It is a solid choice for mid-to-high-end builds.
EVGA Supernova 1300 G+ 1300W Gold PSU
Best for: Extreme multi-GPU workstations
- Wattage
- 1300W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- Warranty
- 10 Year
- Dimensions
- 3.4 × 5.9 × 7.87 inches
- Weight
- 5 pounds
This EVGA power supply delivers 1300W of power with 80 PLUS Gold efficiency. It is fully modular, allowing you to connect only the cables you need. The unit uses Japanese capacitors and a DC-DC converter for stable voltage. It features a fluid dynamic bearing fan with ECO mode for quiet operation. This high-wattage unit suits users with multiple high-end graphics cards.
Pros
- 1300W output capacity
- 80 PLUS Gold efficiency rating
- Fully modular cable design
- 10-year warranty coverage
- Includes power-on self-tester
Cons
- 1300W exceeds most single-GPU needs
- Heavier build at 5 pounds
- No native 12VHPWR connector listed
Good fit if
- You run dual high-end graphics cards
- You need maximum power headroom
- You want a fully modular setup
Skip if
- You use a single mid-range GPU
- You have a small form factor case
- You prefer lower wattage units
Verdict: EVGA Supernova 1300W Gold PSU offers robust power for extreme builds. It fits enthusiasts who need reliable voltage for multiple GPUs.
Corsair RM550x 550W 80 Plus Gold PSU
Best for: Mid-range builds needing efficiency and silence
- Wattage
- 550W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- Fan Size
- 135mm
- Form Factor
- ATX
- Dimensions
- 6.3 × 5.91 × 3.39 inches
The Corsair RM550x is a fully modular ATX power supply rated for 550W. It carries an 80 PLUS Gold efficiency certification. A 135mm magnetic levitation fan supports zero RPM mode for silent operation at low loads. It uses Japanese capacitors and DC-to-DC conversion for stable power delivery. This unit suits users building mid-range systems who need reliable, efficient power without excess capacity.
Pros
- Fully modular cable design reduces clutter
- 80 PLUS Gold efficiency rating
- 135mm ML fan with zero RPM mode
- Ten-year warranty coverage
Cons
- 550W output is lower than many alternatives
- Lacks ATX 3.1 or PCIe 5.0 native support
- Semi-modular variants exist but this is fully modular
Good fit if
- You need a quiet, efficient PSU for mid-range builds
- You prefer fully modular cables for clean installs
- You want a ten-year warranty for long-term use
Skip if
- You require high wattage for extreme gaming or workstations
- You need native ATX 3.1 support for new GPUs
- You are building a system with high power demands
Verdict: Corsair RM550x 550W 80+ Gold fits users who prioritize efficiency and silence over raw power. It is ideal for mid-range PCs where 550W is sufficient.
Specifications side by side
| Spec | Montech Century II 1200W PSU Combo | EVGA SuperNOVA G2 1300W Fully Modular PSU | Thermaltake Toughpower Grand 850W Gold PSU | EVGA SuperNOVA 850W Platinum Power Supply | EVGA 1000 GQ 1000W Semi-Modular PSU | EVGA Supernova 1300 G+ 1300W Gold PSU | Corsair RM550x 550W 80 Plus Gold PSU |
|---|---|---|---|---|---|---|---|
| Wattage | not specified | 1300W | 850W | 850W | 1000W | 1300W | 550W |
| Efficiency Rating | not specified | 80 PLUS Gold | 80 PLUS Gold | 80 PLUS Platinum | 80 PLUS Gold | 80 PLUS Gold | 80 PLUS Gold |
| Modularity | not specified | Fully Modular | Fully Modular | Fully Modular | Semi Modular | Fully Modular | Fully Modular |
| ATX Version | not specified | not specified | ATX 12V 2.3 | not specified | not specified | not specified | not specified |
| Fan Size | not specified | 140mm | 14cm | 140mm | 135mm | not specified | 135mm |
| Warranty | not specified | 10 Year | not specified | 10 Year | 5 Year | 10 Year | not specified |
| Form Factor | not specified | not specified | ATX | not specified | not specified | not specified | ATX |
| Size | not specified | 1300W | 850W | 850W | 1000W | 1300W | 550W |
| Dimensions | not specified | 7.4 × 12 × 11.2 inches | 13.3 × 8.27 × 6.18 inches | 6.5 × 5.91 × 3.3 inches | 7.09 × 5.91 × 3.35 inches | 3.4 × 5.9 × 7.87 inches | 6.3 × 5.91 × 3.39 inches |
| Weight | not specified | 8 pounds | 6 pounds | 7.95 pounds | 7 pounds | 5 pounds | 3.31 pounds |
| Model | Centry2Combo | 120-G2-1300-XR | PS-TPG-0850MPCGUS-1 | 220-P2-0850-X1 | 210-GQ-1000-V1 | 220-GP-1300-X1 | CP-9020197-NA |
| Color | not specified | Black | not specified | Black | Black | not specified | Black |
Frequently asked questions
Does the Montech Century II combo include a case?
Yes, the Montech Century II 1200W PSU Combo includes the Montech King 15 PRO case. This pre-matched bundle is designed for builders who want a complete high-wattage solution with matching aesthetics. You get both the power supply and the chassis in one package, simplifying your initial build setup.
What is the highest wattage available in these alternatives?
The highest wattage listed is 1300W, found in both the EVGA SuperNOVA G2 and the EVGA Supernova 1300 G+ models. These units are ideal for extreme multi-GPU workstations or power-hungry systems. They provide more headroom than the 1200W Montech combo for heavy continuous loads.
Which option is best for high-efficiency gaming builds?
The EVGA SuperNOVA 850W Platinum is the best choice for high-efficiency gaming builds. It features an 80 Plus Platinum rating, which offers top-tier efficiency for standard high-end systems. This model prioritizes quiet operation and cable management, making it suitable for users who value reliability over raw wattage.
Are fully modular power supplies better for cable management?
Fully modular power supplies allow you to connect only the cables you need, which significantly improves cable management. Both the EVGA SuperNOVA G2 and the EVGA SuperNOVA 850W Platinum are fully modular. This design helps keep your build clean and reduces clutter inside your case.
Is there a good option for mining rigs?
The Thermaltake Toughpower Grand 850W Gold is a solid choice for mining rigs or high-load continuous use. It offers sustained 850W output with gold efficiency and a fully modular design. This makes it practical for specific high-load builds that require consistent power delivery over long periods.
Which PSU is suitable for mid-range PCs?
The Corsair RM550x 550W is ideal for mid-range PCs where 550W is sufficient. It features an 80 Plus Gold efficiency rating and is fully modular. This unit prioritizes efficiency and silence, making it a practical choice for users who do not need the raw power of higher-wattage alternatives.
What is the difference between semi-modular and fully modular?
Semi-modular power supplies have essential cables permanently attached, while fully modular units allow you to detach all cables. The EVGA 1000 GQ is semi-modular, offering high power without the cost of full modularity. Fully modular options like the EVGA SuperNOVA G2 provide more flexibility for cable routing.
Can I use these standalone PSUs with any case?
Yes, the standalone power supplies like the EVGA and Thermaltake models are not tied to a specific case. You must source your own case separately, unlike the Montech combo. This gives you the flexibility to choose any ATX-compatible case that fits the physical dimensions of the power supply.