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GIGABYTE UD750GM PG5 V2 ICE - 750W 80 Plus vs MONTECH Century II - 850W High-End ATX Gaming

Updated August 2026 — GIGABYTE UD750GM PG5 V2 ICE - 750W 80 Plus wins on cooling and efficiency, MONTECH Century II - 850W High-End ATX Gaming wins on warranty.

The GIGABYTE UD750GM PG5 V2 ICE offers superior energy efficiency and a lower price, while the MONTECH Century II provides higher wattage and a longer warranty. Choose based on your specific needs.

Why GIGABYTE UD750GM PG5 V2 ICE - 750W 80 Plus is better

Efficiency

GIGABYTE has 80 Plus Platinum certification.

Price

GIGABYTE is $9.91 cheaper.

Capacitors

GIGABYTE uses 100% Japanese capacitors.

Why MONTECH Century II - 850W High-End ATX Gaming is better

Wattage

MONTECH offers 850W compared to GIGABYTE's 750W.

Warranty

MONTECH has a 10-year warranty.

Gaming Focus

MONTECH is marketed as a high-end gaming power supply.

Overall score

GIGABYTE UD750GM PG5 V2 ICE - 750W 80 Plus
85
MONTECH Century II - 850W High-End ATX Gaming
78

Specifications

SpecGIGABYTE UD750GM PG5 V2 ICE - 750W 80 PlusMONTECH Century II - 850W High-End ATX Gaming
Certification80 Plus Platinum80 Plus Gold
ModularFully ModularFully Modular
Form FactorATX 3.1ATX 3.1
PCIe SupportGen 5.1Gen 5.1
Fan Size120mmN/A

Dimension comparison

GIGABYTE UD750GM PG5 V2 ICE - 750W 80 PlusMONTECH Century II - 850W High-End ATX Gaming

Overview of the GIGABYTE UD750GM PG5 V2 ICE and MONTECH Century II

The GIGABYTE UD750GM PG5 V2 ICE is priced at $79.99, while the MONTECH Century II costs $89.90, making the GIGABYTE model about 17% cheaper. Both power supplies cater to gamers and high-performance PC users, but they differ in wattage and certification levels. The GIGABYTE offers 750W of power, whereas the MONTECH provides a higher output of 850W. This difference in wattage may influence your decision based on your system's requirements.

Performance and Efficiency

The GIGABYTE UD750GM PG5 V2 ICE boasts an 80 Plus Platinum certification, indicating higher energy efficiency compared to the MONTECH Century II, which is rated at 80 Plus Gold. The Platinum rating signifies greater efficiency in converting AC power to DC power, which can lead to lower electricity bills over time. While the MONTECH still offers solid performance, the GIGABYTE’s superior efficiency may appeal to users who prioritize energy savings and lower heat generation.

Modular Design

Both power supplies feature a fully modular design, allowing users to connect only the cables they need. This design enhances airflow within the PC case and simplifies cable management. The GIGABYTE model is equipped with 100% Japanese capacitors, which are known for their reliability and longevity. The MONTECH Century II also emphasizes quality with its fully modular setup but does not specify capacitor details, which could be a consideration for users looking for durability.

Compatibility with Modern Hardware

The GIGABYTE UD750GM PG5 V2 ICE is designed to support PCIe Gen 5.1 graphics cards, making it a future-proof choice for gamers looking to utilize the latest GPUs. The MONTECH Century II is also PCIe 5.1 ready, but its additional wattage may appeal more to users who plan on running multiple high-performance components simultaneously. If you are building a system that requires the latest standards, both options are suitable, but the added wattage from the MONTECH could provide more flexibility.

Cooling Solutions

Cooling is essential for maintaining system stability, especially during intense gaming sessions. The GIGABYTE UD750GM PG5 V2 ICE features a 120mm smart hydraulic bearing fan, designed for quiet operation and efficient cooling. The MONTECH Century II does not specify its cooling solution, which might leave some users wondering about its noise levels and cooling performance. A robust cooling system can be critical in preventing thermal throttling, especially in high-demand scenarios.

Warranty and Support

Warranty lengths can offer insight into the manufacturer's confidence in their products. The MONTECH Century II comes with a 10-year warranty, signaling strong backing for its reliability and performance. In contrast, the GIGABYTE UD750GM PG5 V2 ICE does not specify warranty information, which could be a factor for buyers looking for peace of mind. A longer warranty often reflects a manufacturer’s commitment to quality and customer satisfaction.

Price Comparison

When it comes to pricing, the GIGABYTE UD750GM PG5 V2 ICE is listed at $79.99, making it a more economical choice compared to the MONTECH Century II, which is priced at $89.90. This price difference of $9.91 may be significant for budget-conscious consumers who still want a high-quality power supply. However, it's essential to weigh this cost against the features and benefits each model offers to determine the better value.

Which should you buy?

In conclusion, your choice between the GIGABYTE UD750GM PG5 V2 ICE and the MONTECH Century II should depend on your specific needs and preferences. If you value higher energy efficiency and a lower price, the GIGABYTE model is an excellent option. On the other hand, if you need more wattage and appreciate a longer warranty, the MONTECH Century II may be the better fit. Both power supplies are robust choices for gamers, but the differences in wattage, efficiency, and warranty could sway your decision.