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Comparison Gigabyte Ultra Durable GM UD750GM vs Chieftec PowerUp GPX-650FC

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Gigabyte Ultra Durable GM UD750GM
Chieftec PowerUp GPX-650FC
Gigabyte Ultra Durable GM UD750GMChieftec PowerUp GPX-650FC
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Main
Bridge LLC converter with DC-DC technology.
Power750 W650 W
Form factorATXATX
Specs
PFCactiveactive
Efficiency90 %90 %
Cooling system1 fan1 fan
Fan size120 mm120 mm
Fan bearinghydrodynamicrolling
Certification80+ Gold80+ Gold
ATX12V version2.312.53
Power connectors
MB/CPU power supply24+8+8(4+4) pin24+8+8(4+4) pin
SATA89
MOLEX33
PCI-E 8pin (6+2)42
Floppy
Cable systemmodularmodular
Cable length
MB610 mm650 mm
CPU600 mm650 mm
SATA600 mm500 mm
MOLEX500 mm500 mm
PCI-E600 mm500 mm
Max. power
+3.3V20 А20 А
+5V20 А20 А
+12V161 А54 А
-12V0.3 А0.3 А
+5Vsb3 А2.5 А
+12V732 W648 W
+3.3V +5V105 W100 W
-12V3.6 W3.6 W
+5Vsb15 W12.5 W
General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
ProtectionUVP, OCP, OTPOCP, OTP, AFC, SIP, UVP
Manufacturer's warranty5 years5 years
Dimensions (HxWxD)86x150x140 mm86x150x140 mm
Weight2.2 kg
Added to E-Catalogjune 2022january 2021
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GIGABYTE 750W - GP-UD750GM - 80 Gold GP-UD750GM

Zasilacz Gigabyte UD750GM 750W (GP-UD750GM) Item weight: 2.5 kg Model number: GP-UD750GM
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Gigabyte 750W GOLD MODULAR UD750GM-UK GP-UD750GM-UK

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Gigabyte Gigabyte UD750GM 750W 80 PLUS Gold Fully Modular Power Supply, Active PFC, 120mm Rifle Bearing Fan PSGIG-UD750GM

The Gigabyte GP-UD750GM is a high-performance power supply unit designed to meet the needs of demanding PC builds. It feature... mores a fully modular design, 80 PLUS Gold certification, and a range of protective measures to ensure reliable and efficient power delivery.Key FeaturesUltra Durable Design Incorporates high-quality Japanese capacitors for enhanced reliability and performance.Enhanced Thermal Solution Equipped with a 120mm smart hydraulic bearing (HYB) fan for optimal cooling.Comprehensive Protection Includes OVP (Over Voltage Protection), OPP (Over Power Protection), SCP (Short Circuit Protection), UVP (Under Voltage Protection), OCP (Over Current Protection), and OTP (Over Temperature Protection).80 PLUS Gold Certified Ensures high energy efficiency, reducing electricity costs and heat output.Fully Modular Design Allows for easy cable management and a cleaner build.Powerful Single +12V Rail Provides stable and reliable power to all componentsSpecificationsTypeIntel Form Factor ATX 12V v2.31PFCActive PFC (>0.9 typical)Input Voltage100-240 Vac (full range)Input Current12-6AInput Frequency50-60 HzOutput Capacity750WFan Type120mm smart hydraulic bearing (HYB) fanEfficiency90% at typical loadMTBF100,000 hoursProtectionOVP, OPP, SCP, UVP, OCP, OTPCertifications80 PLUS GoldDimensions150 x 140 x 86 mmWeight1.4 kgConnectors1 x 24-pin ATX2 x 4+4-pin CPU4 x 6+2-pin PCIe8 x SATA3 x 4-pin Molex1 x FloppyWarrantyThe Gigabyte GP-UD750GM comes with a 5-year warranty, ensuring peace of mind and long-term reliabilityThis power supply unit is ideal for gamers, content creators, and professionals who require a stable and efficient power source for their high-performance systems
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750W Gigabyte UD750GM Modular 80 Plus Gold PSU GP-UD750GM-UK

ULTRA DURABLE Inherit the product design spirit of GIGABYTE Ultra Durable, thus introducing a variety of high-quality materi... moreals and designs. Ultra Durable combines high-quality main Japanese capacitors, enhanced thermal solution, 120mm smart hydraulic bearing (HYB) fan, and six circuit protection designs. It provides consumers with a high-quality and stable power supply, and can be used for a long time. HIGH QUALITY JAPANESE CAPACITORS The main capacitors use high quality Japanese capacitors to produce the efficient performance and ensure the longer reliability. ENHANCED THERMAL SOLUTION Compared with the standard thermal solution, we have enlarged the heatsink by about 200% or more, and optimized the airflow. The heat dissipation performance is increased by more than 10%, thus prolonging the service life of the components. 120MM SMART HYDRAULIC BEARING (HYB) FAN The fan speed is adjusted according to the automatic power detection and stops when the system is idle or under low load (less than 20% load). The hydraulic bearing fan provides longer and more stable life time. PROTECTION In order to make sure the entire computer system to operate stably under any conditions, we not only added protection designs such as OCP, OTP, OVP, OPP, UVP and SCP, but also ensured the stable operation of your system through the safety certification of various countries. FULLY MODULAR DESIGN All the black flat cables are modular design. Installing only the cables you need to reduce clutter, to increase the airflow and to improve the chassis thermal performance. 80 PLUS GOLD CERTIFIED 80 Plus Gold certified ensures to deliver 90% efficiency at 50% load. The better power efficiency leads to less power waste, less heat and less fan noise. SINGLE +12V RAIL Single +12V rail provides the best power output, stability and compatibility for the hardware. It provides the easiest way to install the power cable. And it is the best design for overclocking. COMPACT DESIGN With the help of engineers' excellent design capabilities and heat dissipation technology on various hardware products, and the use of higher quality materials, GIGABYTE has reduced the length of the power supply to an amazing 140 mm, so it can be easily installed in any chassis without space constraints.
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Gigabyte GP-UD750GM power supply unit 750 W 20+4 pin ATX ATX Black

CoolingFan diameter12 cmNumber of fans1 fan(s)Fan locationTopCooling typeActivePerformanceOn/off switchYesPower supply unit (... morePSU) form factorATX80 PLUS certification80 PLUS GoldPurposePCATX version2.31Mean time between failures (MTBF)100000 hBearing technologyHYBHarmonized System (HS) code84733020Design80 PLUS certification80 PLUS GoldProduct colourBlackFan diameter12 cmOn/off switchYesNumber of fans1 fan(s)Fan locationTopCooling typeActivePowerTotal power750 WAC input voltage100 - 240 VAC input
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Power

The output power of the power supply, in other words, is the maximum power that it is capable of delivering to the system. For the computer to operate efficiently, the power supply must be greater than the total power consumption of the system at maximum load. The latter can be calculated by summing the power of individual components, however, in general, for office configurations , about 400 W450 W is considered sufficient, for medium gaming — about 600 W( 500 W, 550 W, 650 W, 700 W, 750 W), and for the top ones — power of 800 W and above ( 850 W, 1000 W and even more than 1 kW).

Fan bearing

The bearing is the piece between the rotating axle of the fan and the fixed base that supports the axle and reduces friction. The following types of bearings are found in modern fans:

— Sliding. The action of these bearings is based on direct contact between two solid surfaces, carefully polished to reduce friction. Such devices are simple, reliable and durable, but their efficiency is quite low — rolling, and even more so the hydrodynamic and magnetic principle of operation, provide much less friction.

— Rolling. They are also called "ball bearings", since the "mediators" between the axis of rotation and the fixed base are balls (less often — cylindrical rollers) fixed in a special ring. When the axis rotates, such balls roll between it and the base, due to which the friction force is very low — noticeably lower than in plain bearings. On the other hand, the design turns out to be more expensive and complex, and in terms of reliability it is somewhat inferior to both the same plain bearings and more advanced hydrodynamic devices. Therefore, although rolling bearings are quite widespread nowadays, however, in general, they are much less common than the mentioned varieties.

— Hydrodynamic. Bearings of this type are filled with a special liquid; when rotated, it creates a layer on which the moving part of the bearing slides. In this way, direct contact between hard surfaces is avoided and friction is significantly reduced compared to previous...types. Also, these bearings are quiet and very reliable. Of their shortcomings, a relatively high cost can be noted, but in fact this moment often turns out to be invisible against the background of the price of the entire system. Therefore, this option is extremely popular nowadays, it can be found in cooling systems of all levels — from low-cost to advanced.

— Magnetic centering. Bearings based on the principle of magnetic levitation: the rotating axis is "suspended" in a magnetic field. Thus, it is possible (as in hydrodynamic ones) to avoid contact between solid surfaces and further reduce friction. Considered the most advanced type of bearings, they are reliable and quiet, but expensive.

ATX12V version

A standard for power supplies that supplements the ATX specifications regarding power supply along the 12 V line. Introduced into use since the time of the Intel Pentium 4 processor. In the first series of the standard, the +5 V line was mainly used; from version 2.0, the +12 V line was introduced to fully power the components computer. Also in the second generation, a 24-pin power connector appeared, used in most modern motherboards.

SATA

The number of SATA power connectors provided in the PSU.

Nowadays, SATA is the standard interface for connecting internal hard drives, and it is also found in other types of drives (SSD, SSHD, etc.). Such an interface consists of a data connector connected to the motherboard, and a power connector connected to the PSU. Accordingly, in this paragraph we are talking about the number of SATA power plugs provided in the PSU. This number corresponds to the number of SATA drives that can be simultaneously powered from this model.

PCI-E 8pin (6+2)

The number of PCI-E 8pin (6+2) power connectors provided in the PSU design.

Additional PCI-E power connectors (all formats) are used to additionally power those types of internal peripherals for which 75 W is no longer enough, supplied directly through the PCI-E socket on the motherboard (video cards are a typical example). In PC components, there are two types of such connectors — 6pin, providing up to 75 W of additional power, and 8pin, giving up to 150 W. And the 8pin (6 + 2) plugs used in power supplies are universal: they can work with both 6-pin and 8-pin connectors on the expansion board. Therefore, this type of plug is the most popular in modern PSUs.

As for the quantity, on the market you can find models for 1 PCI-E 8pin (6 + 2) connector, for 2 such connectors, for 4 connectors, and in some cases — for 6 or more. Several of these plugs can be useful, for example, when connecting several video cards — or for a powerful high-performance video adapter equipped with several PCI-E additional power connectors.

Floppy

The presence of at least one Floppy power connector in the PSU.

Initially, this connector was intended to power floppy disk drives, hence the name. It is also known under the designation "mini-Molex". Anyway, this standard is generally considered obsolete, but it is still used by some specific types of components, and therefore continues to be used in power supplies.

+12V1

The maximum current that the PSU is capable of delivering to the first power line is + 12V.

For more information about power lines in general, see "+3.3V". Here it is worth mentioning that 12 V is the most popular voltage among computer power connectors. It is used in almost all such connectors (with a few exceptions), and some plugs (for example, additional PCI-E power for 6 or 8 connectors) use only 12-volt lines — and in the + 12V format. And the division of + 12V power into several separate lines is used for safety purposes — in order to reduce the current flowing through each individual wire, and thus prevent excessive load and overheating of the wiring. However, some manufacturers do not specify the maximum current for individual + 12V lines and give only a general value in the characteristics; in such cases, this number is indicated in this paragraph.

+5Vsb

The maximum current that the PSU is capable of issuing + 5Vsb to the power line.

For more information about power lines in general, see "+3.3V". Specifically, the + 5Vsb line is used to power the computer electronics in standby mode, when the main and only task of the system is to respond to pressing the power button. This does not require high power, so this figure rarely exceeds 3A.

+12V

The maximum power that the PSU is capable of delivering to the + 12V power line.

See "Maximum current and power" for details on power lines in general. Here it is worth mentioning that 12 V is the most popular voltage among computer power connectors. It is used in almost all such connectors (with a few exceptions), and some plugs (for example, additional PCI-E power for 6 or 8 connectors) use only 12-volt lines — and in the + 12V format. So this indicator is one of the most important characteristics of any PSU.

Note that many power supplies have several separate + 12V power lines. In such cases, the total power is indicated here, which, usually, is divided equally between the lines.
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