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Gigabyte P750BS 80 Plus Bronze Non Modular 750w Power Supply Unit vs JUSTOP Black ATX 500W PSU

Updated August 2026The Gigabyte P750BS is a superior choice for high-performance needs, while the JUSTOP Black ATX is a budget-friendly option for basic tasks.

The Gigabyte P750BS is a superior choice for high-performance needs, while the JUSTOP Black ATX is a budget-friendly option for basic tasks.

Why Gigabyte P750BS 80 Plus Bronze Non Modular 750w Power Supply Unit is better

higher wattage

Gigabyte offers 750W vs JUSTOP's 500W

efficiency rating

Gigabyte is 80 PLUS Bronze certified

advanced protections

Gigabyte includes OVP, OPP, SCP, UVP, OCP, OTP

Why JUSTOP Black ATX 500W PSU is better

lower price

JUSTOP is £22.50 vs Gigabyte's £57.55

compact design

JUSTOP is lighter at 1.27 kg

basic compatibility

JUSTOP supports standard desktop setups

Overall score

Gigabyte P750BS 80 Plus Bronze Non Modular 750w Power Supply Unit
85
JUSTOP Black ATX 500W PSU
60

Specifications

SpecGigabyte P750BS 80 Plus Bronze Non Modular 750w Power Supply UnitJUSTOP Black ATX 500W PSU
BrandGigabyteJUSTOP
ModularityNon-ModularFully Wired
Cooling FanFDBHydraulic
ProtectionOVP/OPP/SCPOVP/OPP/SCP
Form FactorATXATX

Dimension comparison

Gigabyte P750BS 80 Plus Bronze Non Modular 750w Power Supply UnitJUSTOP Black ATX 500W PSU

Overview of Power Supplies

When selecting a power supply unit (PSU) for your computer, two options stand out: the Gigabyte P750BS 80 Plus Bronze Non Modular 750w Power Supply Unit and the JUSTOP Black ATX 500W PSU. The former is priced at £57.55, while the latter is significantly more affordable at just £22.50. This comparison will delve into their features, performance, and suitability for different computing needs.

Power Capacity Comparison

The Gigabyte P750BS boasts a power capacity of 750 watts, making it suitable for high-performance systems that may require more energy for demanding tasks or multiple GPU setups. In contrast, the JUSTOP Black ATX offers a maximum output of 500 watts, which is adequate for basic home or office PCs without intensive graphics processing needs. This considerable difference in power capacity suggests that the Gigabyte PSU is better equipped for gamers or professionals who use resource-heavy applications.

Efficiency Ratings

Efficiency is a crucial factor for power supplies, as it directly impacts electricity consumption and heat generation. The Gigabyte P750BS is 80 PLUS Bronze certified, indicating a minimum efficiency of 82% under typical load conditions. This certification not only ensures reliable performance but also helps in reducing energy costs over time. The JUSTOP Black ATX does not have a specific efficiency rating mentioned, but it does feature Power Factor Control (PFC), which enhances power efficiency. However, without a certification, its efficiency remains uncertain compared to the Gigabyte unit.

Cooling Solutions

Cooling capabilities are vital for maintaining optimal performance and longevity of power supplies. The Gigabyte P750BS is equipped with a 120mm Silent Fluid Dynamic Bearing fan, designed to operate quietly while effectively dissipating heat. Conversely, the JUSTOP Black ATX also features a 120mm cooling fan, emphasising its ultra-quiet operation. While both units utilise similar fan sizes for cooling, the assurance of a Silent Fluid Dynamic Bearing in the Gigabyte model may provide an edge in terms of reduced noise levels during operation.

Build Quality and Design

Build quality can significantly influence the durability of a power supply. The Gigabyte P750BS is designed with high-quality components, aimed at ensuring stable and consistent power delivery. Additionally, it features soft-textured embossed cables, which not only look professional but also facilitate better airflow within the PC case. The JUSTOP Black ATX is also constructed with an emphasis on safety, boasting several protection features, including over-voltage and short-circuit protection. However, the Gigabyte's premium positioning suggests a focus on higher build standards, which may be beneficial for users with demanding needs.

Compatibility and Connectivity

In terms of connectivity, the Gigabyte P750BS is designed to cater to a broad range of high-performance setups, supporting a single +12V rail that provides stability and efficiency. On the other hand, the JUSTOP Black ATX PSU includes a variety of connectors suitable for standard desktop PCs, including a 20+4 pin connector and multiple SATA connectors. While the JUSTOP PSU is versatile for basic configurations, the Gigabyte's higher wattage and dedicated +12V rail make it more suitable for advanced users who may require additional components.

Safety Features

Safety features are paramount in preventing damage to both the power supply and connected components. The Gigabyte P750BS includes multiple protection protocols such as Over Voltage Protection (OVP) and Short Circuit Protection (SCP), ensuring a safe operating environment. The JUSTOP Black ATX also provides several safety certifications, including UKCA, CE, and TUV, and features built-in protections against over-voltage, over-power, and thermal overload. While both power supplies offer solid safety measures, the Gigabyte's additional advanced protections could provide peace of mind for users operating high-end systems.

Pricing and Value for Money

With a price tag of £57.55, the Gigabyte P750BS positions itself as a higher-end option, primarily justifying its cost through its enhanced power capacity, efficiency rating, and advanced features. On the contrary, the JUSTOP Black ATX is priced at £22.50, making it an attractive budget-friendly choice for users with basic computing requirements. Despite the significant price difference, the value for money ultimately depends on the user’s specific needs; for high-performance setups, the Gigabyte offers better long-term value, while the JUSTOP is ideal for simple, everyday use.

Which should you buy?

Choosing between the Gigabyte P750BS and the JUSTOP Black ATX depends on your specific power needs and budget. If you require a robust power supply for gaming or intensive tasks, the Gigabyte P750BS with its 750W capacity and 80 PLUS Bronze certification is the superior choice. However, if you're seeking an economical solution for general computing tasks, the JUSTOP Black ATX provides sufficient power at a fraction of the cost. Ultimately, your decision should align with your computing requirements and financial considerations.

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Gigabyte P750BS 80 Plus Bronze Non Modular 750w Power Supply Unit vs JUSTOP Black ATX 500W PSU | versusfinder