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Comparison Asus Prime Gold Prime 750W Gold vs Asus TUF Bronze TUF Gaming 750W Bronze

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Two sides of the case are painted white and two sides are painted black, allowing you to orient the power supply to suit your preferred build theme.
Power750 W750 W
Form factorATXATX
Specs
PFCactiveactive
Efficiency92 %
Cooling systemactive (fan)semi-passive (fan off)
Fan size135 mm135 mm
Fan bearingrollingrolling
Certification80+ Gold80+ Bronze
Cybenetics EfficiencySilver
Cybenetics NoiseStandard +
ATX12V version3
Power connectors
MB/CPU power supply24+8+8(4+4) pin24+8+8(4+4) pin
SATA58
MOLEX34
PCI-E 8pin (6+2)34
PCI-E 16pin1
Cable systemmodularnon-modular
Braided wires
Cable length
MB610 mm600 mm
CPU650 mm800 mm
SATA400 mm400 mm
MOLEX400 mm400 mm
PCI-E675 mm600 mm
Max. power
+3.3V20 А25 А
+5V20 А25 А
+12V162 А62 А
-12V0.3 А0.8 А
+5Vsb2.5 А3 А
+12V744 W
+3.3V +5V110 W
-12V3.6 W
+5Vsb12.5 W
General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
ProtectionUVP, OCP, OTP
Manufacturer's warranty8 years6 years
Dimensions (HxWxD)86x150x150 mm86x150x150 mm
Weight1.47 kg
Added to E-Catalogoctober 2023march 2021

Efficiency

Efficiency, in this case — the ratio of the power of the power supply (see "Power") to its power consumption. The higher the efficiency, the more efficient the power supply, the less energy it consumes from the network at the same output power, and the cheaper it is to operate. Efficiency may differ depending on the load; the characteristics can indicate both the minimum efficiency and its value at an average load (50%).

It should be noted that compliance with one or another level of 80PLUS efficiency directly depends on this indicator (for more details, see "Certificate").

Cooling system

Active cooling system. Uses a fan that constantly operates to remove heat from internal components. Unlike passive cooling, the active system provides better heat dissipation and stability under high loads, preventing overheating. However, it creates noise. To eliminate this, fans in such power supplies can have dynamic speed control (AFC – Automatic Fan Control), reducing speed at low power consumption.

Semi-passive. Active cooling systems with automatic fan shutdown in situations where the load on the power supply is low and heat generation is reduced. Let us remind you that systems of this type are more efficient than passive ones, but they consume additional energy and create noise during operation. Accordingly, at low loads, when intensive cooling is not required, it is wiser to turn off the fans — this saves energy and reduces the noise level.

Passive(radiators). Compared to fans, radiators have a number of advantages: for example, they do not create any noise and do not require their own power supply (thus reducing overall energy consumption). On the other hand, they are significantly less efficient, as a result — the power of power supplies with passive cooling does not exceed 600 W. In addition, such power supplies are quite expensive.

Certification

The presence or absence of an 80+ certificate for the power supply. This certificate indicates high energy efficiency: to obtain it, the efficiency (see above) must be at least 80%, and in different modes (20%, 50% and 100% of the maximum load). There are several degrees of 80+:

80+. The original version of the certificate, assuming an efficiency of at least 82% (at least 85% for 50% load).

80+ White. The second name of the original 80+ certificate (see above).

80+ Bronze — efficiency not less than 85% (for half load — 88%).

80+ Silver — respectively 87% (90% for half load).

80+ Gold — 89% (92% for half load)

80+ Platinum — 90% (94% for half load).

80+ Titanium — 94% (96% for half load).

The power factor (see "PFC Type") must be at least 0.9 for the lower levels and at least 0.95 for the Platinum level. Also note that for redundant power used in server systems, the efficiency requirements are somewhat lower.

Cybenetics Efficiency

Cybenetics Efficiency is a power supply unit (PSU) energy efficiency certification system that serves as an alternative to the 80 PLUS standard. It is more accurate as it considers efficiency at various load levels (10%, 20%, 50%, 100%) and at different input voltages (115V, 230V). The labeling of this system is identical to 80 PLUS:

Bronze — overall efficiency from 82% to 85% at 115V input voltage and from 84% to 87% at 230V;

Silver — 85 – 87% and 87 – 89% respectively;

Gold — from 87% to 89% (115V) and from 89% to 91% (230V);

Platinum — 89 – 91% at 115V and 91 – 93% at 230V;

Titanium — 91 – 93% (115V) and 93 – 95% (230V);

Diamond — ≥ 93/95%.

Cybenetics Noise

The Cybenetics Lambda certification system evaluates the noise level of power supplies (PSU), providing consumers with information about their acoustic characteristics. As a result, you can rely not only on the efficiency of the power supply but also on its noisiness. There are the following Cybenetics Lambda certification levels:

Standard — from 40 dB(A) to 45 dB(A) – noticeable noise;

Standard+ — from 35 dB(A) to 40 dB(A) – distinct noise;

Standard++ — from 30 dB(A) to 35 dB(A) – moderate noise;

A- — from 25 dB(A) to 30 dB(A) – moderately quiet;

A — from 20 dB(A) to 25 dB(A) – quiet;

A+ — from 15 dB(A) to 20 dB(A) – very quiet;

A++ — less than 15 dB(A) – virtually silent.

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.

MOLEX

The number of Molex (IDE) connectors provided in the design of the power supply.

Initially, such a connector was intended to power peripherals for the IDE interface, primarily hard drives. And although the IDE itself is completely obsolete today and is not used in new components, however, the Molex power connector continues to be installed in power supplies, and almost without fail. Almost any modern PSU has at least 1 – 2 of these connectors, and in high-end models this number can be 7 or more. This situation is due to the fact that Molex IDE is a fairly universal standard, and with the help of the simplest adapters, components with a different power interface can be powered from it. For example, there are Molex - SATA adapters for drives, Molex - 6 pin for video cards, etc.

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.
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