Fully modular design with all black ribbon cables simplifies installation and allows you to use only the cables you need, for a neater and mechanical build.
Flexguru series featured with high power density, 20% higher than any Flex PSU in same wattage and frame.
Standing out from FLEX-ATX PSU marketing, FSP pioneered the development of Beetle technology for FlexGuru series, strengthening the fixation adequacy by 25% to fit in most of the Flex-ATX chassis.
Differ from the genernal FLEX PSU, Flexguru series with inner 40mm fan design block the noise and achieve maximum cooling at all times.
The efficiency of your power supply is important because it directly affects you system’s performance. Flexguru 300W has a guaranteed typical efficiency of 90%, offer the high conversion power to power your system.
Industrial PC
Point of Sale System
Network communication
Surveillance
Edge Computer
Home Theater Personal Computer
NAS Server
Gaming & Creator PC
FSP Group features the latest in green power technology, and provide a full kinds of additional safety approvals to keep designs ahead of the changing regulations. FSP has upgraded the majority of power supplies to the new IEC 62368 standard for your system.
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.
Using Japanese electrolytic capacitors, Flexguru series offers the stable output and long-term reliability you need.
AC Input | 100-240Vac~ 4-2A 50-60Hz | ||||
DC Output | +3.3V | +5V | +12V | -12V | +5Vsb |
Max Output Current | 12A | 14A | 18A | 0.3A | 2.5A |
Max Combined Power | 80W MAX | ||||
Total Power | 250W |
![]() | ![]() | ![]() | ![]() | ![]() | |
ATX 20+4 | 4+4 PIN | SATA | Molex (PERIPHERAL) | Floppy | |
Connectors | 1 | 1 | 4 | 2 | 1 |
Model | FSP250-50FGBBI(M) |
Rated Output Power | 250W |
Form Factor | FLEX ATX |
Input Voltage | 100-240V |
Input Current | 4-2A |
Input Frequency | 60-50Hz |
PFC | Active PFC |
Efficiency | 85% |
Fan Type | Ball Bearing, 40mm |
Dimensions(L x W x H) | 150 x 40.5 x 81.5mm |
Operation Temp. | 100,000 Hrs |
Protection | UVP, OVP, SCP, OPP, OTP |