FlexGURU 300W
- Compliant with the latest Flex ATX V1.22
- 300W : Efficiency ≥ 90% at typical load
- 250W : Efficiency ≥ 85% at typical load
- Compliant with UL/EN/IEC 62368-1 and 60950 International safety standards
- Intelligent fan speed control
- Quiet and long-lasting 40mm ball bearing fan
- Ribbon cables for the need of enthusiasts
- Powerful single +12V rail design
- Main Japanese electrolytic capacitors
- Intel latest CPU ready
- Complete protections: UVP, OVP, SCP, OPP, OTP
Fully Modular Design
Fully modular design with all black ribbon cables simplifies installation, which allows you to use only the cables you need, for a much neater build.
![](../upload/Flex_GURU/s02_cable.png)
![](../upload/Flex_GURU/s02_psu.png)
High Power Density
Flexguru series featured with high power density, 20% higher than any Flex PSU in the same wattage and frame.
![](../upload/Flex_GURU/s03_psu.png)
Firm Installation with Beetle Technology
FSP pioneered the development of the Beetle technology in FLEX-ATX PSU, and we applied it on the FlexGuru series. The new technology strengthens the fixation adequacy by 25% which makes the PSU fit in most of the Flex-ATX chassis in the market.
![](../upload/Flex_GURU/s04_psu_back.png)
Excellent Thermal Performance
Differ from the genernal FLEX PSU, FlexGuru series is designed with inner 40mm fan, noise cancellation and achieving 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. FlexGuru 300W has a guaranteed typical efficiency of 90%, offer the 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 IEC 62368
FSP Group brings you the latest technologies in renewable energy, they provide 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/Flex_GURU/s09_psubox_300w.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)
Japanese Electrolytic Capacitors
Using Japanese electrolytic capacitors, Flexguru series offers a stable output and long-term reliability 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) | Floppy | |
Connectors | 1 | 1 | 4 | 2 | 1 |
Specifications
Model | FSP300-57FCB |
---|---|
Rated Output Power | 300W |
Form Factor | FLEX ATX |
Input Voltage | 100-240V |
Input Current | 6-3A |
Input Frequency | 60-50Hz |
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 |