• Model: Shuttle XPC Accessory FSP300
  Original manufacturer's name: FSP300-50FFB (from FSP Technology Inc.)
  Cable lengths designed for the Shuttle XPC.
• Description: Internal 300W power supply unit for certain Shuttle XPC cube models
• Input Specifications:
  Input voltage: 90-264 V
  Input frequency: 47-63 Hz
  Input current: max. 3A at 230V AC, max. 6A at 115V AC
  AC connector: IEC 320 C14 (m)
• Output wattage:
  Total combined output is 300W max.
  Total combined output of 3.3V and 5V is 80W max.
  Active PFC circuit (Power Factor Correction)
• DC voltage output, max. output current:
  +12V: 24A
  +3.3V: 12A
  +5V: 14A
  +5VSB: 3A (Standby)
  -12V: 0.3A
  Note: the minimum output current is 0.0A for all lines.
• DC Power Connectors:
  1x ATX power with 20 pins
  1x ATX 12V power with 4 pins
  1x PCIe power with 6 pins (for graphics card power)
  4x Serial ATA power
  2x Molex power
• Protection:
  Output over voltage protection
  Short circuit protection on all outputs
  Resettable power shut down
• Efficiency:
  80PLUS Bronze compliant
• Certification:
  EMI/RFI: CE, UKCA, FCC class B, CCC
  Safety: CB EN62368-1 & EN60950-1, TÜV, cUL, CCC
• Temperature:
  Operating temperature: 0°C ~ +50°C (at max. 85% RH, non-condensing)
  Storage temperature: -20°C ~ +80°C (at max. 90% RH, non-condensing)
• Reliabillity:
  High reliability - 24/7 working
  MTBF (MIL-HDBK-217): 100.000 hours at 25°C ambient temperature and max. output load
• Cooling fan: 
  40mm ball bearing fan, 12V DC
• Dimensions: 150 x 81.5 x 40.5 mm (LWH), 5.9 x 3.21 x 1.59 inch
• Weight: net weight: 0,7 kg, gross weight: 0,9 kg
• Scope of delivery: power supply without screws and AC cable
• Compatibility:
  supported Shuttle XPC models: SH610R4, SH510R4, SH570R6
  More details can be found in the following table:

Which Shuttle XPC cube models are compatible  with the FSP300 and FSP500 power supplies?
Shuttle XPC cube Product Name	Original Power Supply	Serial No.	Compatible?
			FSP300 (300 W)	FSP500 (500 W)
SH610R4	300 W	all	Yes	Yes (Upgrade)
SH510R4	300 W	all	Yes	Yes (Upgrade)
SH570R6	300 W	all	Yes	Yes (Upgrade)
SH570R6 Plus	500 W	all	Yes (Downgrade*)	Yes
SH570R8	500 W	all	Yes (Downgrade*)	Yes
SW580R8	500 W	all	Yes (Downgrade*)	Yes
SH310R4	300 W	SH310R40301...	No	No
SH310R4V2	300 W	SH310V20201...	No	No
	300 W	SH310V20501...	Yes	Yes (Upgrade)
SH370R6	300 W	SH370R60201...	No	No
SH370R6V2	300 W	SH370V20301...	No	No
	300 W	SH370V20801...	Yes	Yes (Upgrade)
SH370R6 Plus	500 W	SH370R60301...	No	No
SH370R6V2 Plus	500 W	SH370V20401...	No	No
	500 W	SH370V20901...	Yes (Downgrade*)	Yes
SH370R8	500 W	SH370R80201...	No	No
	500 W	SH370R80701...	Yes (Downgrade*)	Yes

*) Downgrade means: the original power supply had an output wattage of 500W and this would be reduced to 300W when using FSP300. Please avoid overloading the system with the help of the Power Supply Calculator.