FlexGURU 300W (New Edition)
- Compliant with the latest Flex ATX V1.22
- 300W : Efficiency ≥ 90% at typical load
- 250W : Efficiency ≥ 85% at typical load
- Compliant with the latest UL/EN/IEC 62368
- Intelligent fan speed control
- Quiet and long-lasting 40mm ball bearing fan
- Includes power cable
- Includes 20+4 pin, 4+4 pin, Molex and SATA cables
- Ribbon cable design for DIY enthusiasts
- Powerful single +12V rail design
- Main Japanese electrolytic capacitors
- Intel latest CPU ready
- Complete protections: UVP, OVP, SCP, OPP, OTP
Fully Modular Design
A fully modular design with all black ribbon cables simplifies installation, which allows you to use only the cables you need for a cleaner build.
![](../upload/day_200901/202009010209107343.png)
![](../upload/Flex_GURU/s02_psu.png)
High Power Density
The FlexGURU series features higher power density, 20% higher than any Flex PSU in the same wattage category.
![](../upload/Flex_GURU/s03_psu.png)
Firm Installation with Beetle Technology
FSP pioneered the development of the Beetle technology in its Flex ATX PSU. The new Beetle technology strengthens the fixation adequacy by 25%, which allows the PSU to fit into most Flex ATX chassis available on the market today.
![](../upload/Flex_GURU/s04_psu_back.png)
Excellent Thermal Performance
The FlexGURU series differs from the general Flex PSU by offering a built-in inner 40mm fan. This reduces noise and offers maximum cooling at all times.
![](../upload/Flex_GURU/s06_icons_300w.png)
![](../upload/Flex_GURU/s06_psu.png)
![](../upload/Flex_GURU/s06_80plus_gold.png)
90% Efficiency Conversion
The efficiency of your power supply directly affects your system's performance. The FlexGURU 300W has a guaranteed typical efficiency of 90%, which offers high conversion power to boost your system.
![](../upload/Flex_GURU/s06_table_300w.png)
Application Field
Industrial PC
![](../upload/Flex_GURU/s07_img_01.jpg)
Industrial PC
Point of Sale System
Network communication
Surveillance
Edge Computer
Home Theater Personal Computer
NAS Server
Gaming & Creator PC
Keep in Compliance UL 62368
FSP Group brings you the latest technologies in renewable energy. FSP provides a full range of additional safety features to keep up with the latest regulations. FSP has upgraded the majority of their power supplies to the latest UL 62368 standard.
![](../upload/Flex_GURU/s08_psu.png)
![](../upload/day_200914/202009142305599024.png)
Safety Protection
OVP (Over Voltage Protection), UVP (Under Voltage Protection), OPP (Over Power Protection), SCP (Short Circuit Protection), and OTP (Over Temperature Protection), a full guardian circuit protections to keep your hardware safe.
![](../upload/Flex_GURU/s09_img_01.jpg)
100% Japanese Electrolytic Capacitors
Using Japanese electrolytic capacitors, the FlexGURU series offers stable output and the long-term reliability that you need.
![](../upload/Flex_GURU/s09_img_02.jpg)
Performance
![Efficiency](../upload/Flex_GURU/flexguru_300W_eff.jpg)
![noise](../upload/Flex_GURU/flexguru_300W_noi.jpg)
AC/DC
AC Input | 100-240Vac~ 6-3A 50-60Hz | ||||
DC Output | +3.3V | +5V | +12V | -12V | +5Vsb |
Max Output Current | 12A | 14A | 25A | 0.3A | 3A |
Max Combined Power | 70W | ||||
Total Power | 300W |
Cables
![]() | ![]() | ![]() | ![]() | |
ATX 20+4 | 4+4 PIN | SATA | Molex (PERIPHERAL) | |
*Cable Set #1 | 1 | 1 | ||
*Cable Set #2 | 2 | 1 | ||
*Cable Set #1 | 3 |
(ie. Cable #1 & #2 or Cable #1 & #3)
Specifications
Model | FSP300-57FCB |
---|---|
Rated Output Power | 300W |
Form Factor | Flex ATX |
Input Voltage | 100-240V |
Input Current | 6-3A |
Input Frequency | 50-60Hz |
PFC | Active PFC |
Efficiency | ≥90% at typical load |
Fan Type | Ball Bearing, 40mm |
Dimensions(L x W x H) | 150 x 40.5 x 81.5mm |
Protection | UVP, OVP, SCP, OPP, OTP |