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Hydro G Pro 650W Semi-Fanless Modular PSU, 80+ Gold $129.30
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FSP Hydro G Pro 650W Semi-Fanless Modular PSU, 80+ Gold

The Hydro G Pro 650W semi-fanless modular PSU from the renowned world leader in PSU manufacturing FSP, provides ultimate reliability thanks to the premium quality components used in its construction.

Features

  1. Semi-fanless design for silent operation
  2. Full Japan-made electrolytic capacitors
  3. Powerful single +12V rail design
  4. SLI and Crossfire ready
  5. 80PLUS gold certification
  6. Full protections: OCP, OVP, SCP, OPP, OTP

The Hydro G Pro is an IEC62368 certified PSU that has been greatly improved in its safety design as well as a more compact dimension without compromising its efficiency. Like all FSP’s power supplies, the Hydro G Pro delivers stable performance. The 80 Plus Gold Certification serves as assurance to offer users a worry-free experience.

More Powerful with a Compact Size

New Hydro G Pro series upgraded from original Hydro G, took its best features and made them even better. With a smaller size, The Hydro G Pro improves its performance with more powerful output that gives ultra-performance.

Compliant with IEC/EN 62368

FSP Group features the latest in green power technology, and provides a full array of additional safety approvals to keep designs ahead of the changing regulations. FSP has upgraded the majority of their power supplies to comply with the new IEC/EN 62368 standard.

80 Plus Gold Certification

Hydro G Pro series has been awarded 80 Plus Gold Certification that guarantees to operate at a minimum of 90% efficiency at 50% load. This greatly helps reduces electricity usage, and therefore cost.

ECO Switch, Quieter and Longer Lasting Fan

When the Eco Button is switched on, the PSU runs with lower power consumption and is whisper quiet. The fan in the power supply will not operate when the power supply is under 30% load.

Compatible with the Latest PC-technology

The Hydro G Pro series corresponds to a variety of the latest CPU platforms. For example, it complies with Intel ATX12V V2.52 power supply design guide to make sure the peak power in 12V supports the latest Intel / AMD platforms and delivers full power to your PC system.

Multiple-unit Connectors

The ATX 12V CPU power connector is able to support CPUs with sufficient wattage and the latest motherboard. HYDRO G PRO series features dual power connectors, which provide more stability and peak output to your new rig requires.

Fully Modular Design for Quick and Easy Installation

Fully modular design simplifies installation and allows you to use only the cables you need, for a neater and cleaner build.

Off-Wet Technology

Hydro G Pro is covered with conformal coatings to guarantee reliable performance in a harsh environment. It can work perfectly with 95% relative humidity, while others PSUs cannot.

LLC Half Bridge Topology with DC-DC Module Design

Hydro G Pro series features extremely tight voltage regulation to make the output voltage regulation under ±1% at any load changes and offers supreme efficiency and voltage stability.

10-Year Warranty

FSP is committed to manufacturing high-quality and reliable power supplies. The Hydro G Pro series is backed by their 10-year warranty for both parts and labour.


SpecificationsHydro G Pro 650W
ModelHG2-650
Efficiency>90%
80PLUS CertificationGOLD
Input Voltage100 ~ 240Vac
Input Current8.4A
Frequency50 - 60Hz
DC Output +3.3V20A
DC Output +5V20A
DC Output +12V54A
DC Output -12V0.3A
DC Output +5Vsb2.5A
Combined +3.3V and +5V100W
Total Power650W
PFCActive PFC
Over-Current ProtectionYes
Over-Voltage ProtectionYes
Short-Circuit ProtectionYes
Over-Power ProtectionYes
Over-Temperature ProtectionYes
Case ColorBlack
Chassis FanFDB Fan, 135mm
Noise (ECO switch on)0-30% load 0dB, 30-50% load 21dB, 50-80% load 23dB, Max noise 30dB
Form FactorATX 12V V2.4 & EPS 12V V2.92
Safety ApprovalCE, CB, TUV, C-tick
ATX12V 20+4pin1
CPU 4+4pin1
PCI-E 2.0 6+2pin4
S-ATA10
Molex 4pin5
Floppy 4pin1
Dimensions (LxWxH) mm150 x 150 x 86
Warranty120 months
EAN barcode4713224521867
SpecificationsHydro G Pro 650W
ModelHG2-650
Efficiency>90%
80PLUS CertificationGOLD
Input Voltage100 ~ 240Vac
Input Current8.4A
Frequency50 - 60Hz
DC Output +3.3V20A
DC Output +5V20A
DC Output +12V54A
DC Output -12V0.3A
DC Output +5Vsb2.5A
Combined +3.3V and +5V100W
Total Power650W
PFCActive PFC
Over-Current ProtectionYes
Over-Voltage ProtectionYes
Short-Circuit ProtectionYes
Over-Power ProtectionYes
Over-Temperature ProtectionYes
Case ColorBlack
Chassis FanFDB Fan, 135mm
Noise (ECO switch on)0-30% load 0dB, 30-50% load 21dB, 50-80% load 23dB, Max noise 30dB
Form FactorATX 12V V2.4 & EPS 12V V2.92
Safety ApprovalCE, CB, TUV, C-tick
ATX12V 20+4pin1
CPU 4+4pin1
PCI-E 2.0 6+2pin4
S-ATA10
Molex 4pin5
Floppy 4pin1
Dimensions (LxWxH) mm150 x 150 x 86
Warranty120 months
EAN barcode4713224521867

Product Resources

FAQ

  • Do high wattage power supplies cost more to run?

    No - the rated wattage of a power supply refers to the maximum amount of power it can deliver at full load, not how much power it uses. More powerful PSUs will consume around the same amount of power as lower powered power supplies in any given PC system, so your electricity bill will not be higher when using a more powerful power supply!

    The best way to reduce your electricity bill when using your PC is to use a more efficient power supply or make your PC consume less power by removing components which are not needed, such as extra drives and expansion cards, or by choosing a cooler-running processor or graphics card.

  • My brand new power supply doesn’t work! Am I doing something wrong?

    It’s possible that the power supply may be faulty, but here are some simple things to check. Firstly, a power supply will not work if you simply plug it in and flick the switch. The power supply will only turn on if you connect it to a working motherboard and associated items (processor, memory, video card, etc). It is actually the motherboard which tells the power supply when to switch on.

    Secondly (if applicable), check the voltage is set correctly to 115/230 volts depending on what country you are in. Thirdly, if possible it would be good to try the power supply in another PC to see if it works, or try another power supply in your PC to see if that works. You can then tell whether it is the power supply which is faulty or the actual PC itself. If all else fails, please contact us for further support, and/or return details.

  • Why should I buy a whole new PSU when I could just replace the noisy fan in my existing one?

    Virtually all the noise generated by a PC power supply originates from the cooling fan inside it, so simply replacing the fan with a quiet fan may seem an obvious way to go. However, if you are thinking about attempting this operation, please bear the following points in mind:

    1. Your existing power supply will be designed to run with a specific amount of airflow in order to adequately cool the components inside and reducing the airflow may lead to overheating and damage to the power supply and/or PC.
    2. All PC power supplies contain very high voltages and even with the power disconnected, the voltages stored in the capacitors can be easily enough to kill. It is not recommended to take the cover off any PC power supply for this reason unless you are absolutely confident of your own ability. Because of the grave dangers involved, all PC power supplies by law carry a warning label forbidding removal of the power supply case.
    3. There will be no standard PC fan connector inside the power supply to use to connect a replacement fan, and it would probably have to be soldered directly into the PCB inside the power supply, or have a specialist power connector attached. This can be a tricky operation to say the least.

    Please consider the above points very carefully before proceeding with an operation to replace the fan in your existing power supply!

  • What is PFC (Power Factor Correction)?

    If you are interested in being “green” and saving the planet, you might like to read a short explanation of how our power supplies can save energy using Active PFC (Power Factor Correction), not to be confused with Power Conversion Efficiency which is also very good in most of our PSUs. “Power Factor” is a measure of how efficiently electrical power is consumed. Ideally, Power Factor would be 1 (or 100%) and known as unity.

    Unfortunately in the real world, Power Factor is reduced by highly inductive loads down to values of 0.7 (70%) or less. This induction is caused by equipment such as small electric motors, fans, fluorescent lighting ballasts and transformers such as those in PSUs. This is bad news for the electricity generating companies who can impose a surcharge on heavy users if they have a consistently low Power Factor, as more electricity has to be produced to make up the shortfall.

    Power Factor Correction (PFC) is used in some equipment to minimise the inductive component of the electrical current. This helps to reduce the losses in the electrical supply to that equipment. Power Factor Correction capacitors are normally used to reduce induction in an electrical load, which minimises wasted energy and hence improves the efficiency of a company and reduces electricity costs.

    It is not usually practical to reach unity, i.e. Power Factor 1, and it seems that most electricity supply companies accept consumers having a Power Factor as low as 0.94 (94%) without imposing a surcharge. Unfortunately most of the cheap (and not so cheerful) PSUs tend to have a Passive PF as low as 0.75 or 75% which in a large office can lead to a PF surcharge.

    However, the good news is that most of Quiet PC’s PSUs implement a system known as Active PFC which involves some clever electronics. This means that their power factor (PF) can be as high as 0.94 or 94% (at full load), while harmful harmonic frequencies are reduced to well below legal requirements. So by using our products, you can be happy in the knowledge that you are doing your bit to save the planet!

  • How do I know what size of wattage power supply I need?

    The best answer we can give to this question is to go ahead and take an intelligent “guesstimate"! There are no hard and fast rules about what size of power supply any given PC needs as a minimum. Our advice would be that if you are replacing an existing power supply, then consider a new one at least of the same wattage as the old one. In addition, if you wish to build in a “safety margin” to allow for reliable running and possible future upgrades, consider adding 100-200 watts to the rating of your existing unit.

    If you are building a new PC, most customers now buy a power supply rated in the region of 500-800 watts depending primarily on the performance level of their graphics card(s) and number of drives to be installed. But in any event if you are unsure about which power supply would be best for your PC then please do contact us by phone or email and we will be happy to give you a specific recommendation based on your budget.

  • My new PSU came with a 24-pin connector but my motherboard needs 20 pins! Do I need an adaptor cable?

    We receive many customer enquiries about this. In fact, most of the 24-pin compatible power supplies we sell come with special motherboard connectors which can be converted to 20-pins with no additional conversion cables. All you need to do is look carefully at the connector and you will see that the end four pins can be slid off, turning the connector into a 20-pin compatible one (see below) - easy when you know how!

    Image showing how to change a power supply's 24-pin motherboard connector into a 20-pin connector by unclipping the end four-pin block
    Image showing how to change a power supply’s 24-pin motherboard connector into a 20-pin connector by unclipping the end four-pin block
  • What do the PSU safety protection abbreviations mean?

    There are many possible safety protections a PSU can have. Below is a list of what each abbreviation means. Please note, not all PSUs have all safety protections.

    OCP - Over-Current Protection

    OVP - Over Voltage Protection

    UVP - Under Voltage Protection

    SCP - Short Circuit Protection

    OPP - Over Power Protection

    OTP - Over Temperature Protection

    UL - Underwriters Laboratories, more information.

    TÜV - Technical Inspection Association, more information.

    CE - European Conformity, more information.

    FCC - Federal Communications Commission, more information.

    RoHS - Restriction of Hazardous Substances Directive, more information.

    WEE - Electronic waste, more information.

    80 PLUS - Promotes energy efficiency for PC power supplies, more information.

    ErP - Energy Related Products, more information.

    More information on certification marks can be found here.

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