SilverStone SFX Series User Manual

MANUAL
SFX Series
SX300-B / SX450-B
The reference SFX power supply
Support standard SFX form factor
24/7 continuous power output with 40
℃
operating temperature
Silent running 80 mm fan with 18dBA minimum
High efficiency with 80 PLUS Bronze certification
Class-leading single +12V rail
PCIe 8pin and PCIe 6pin connectors support

SilverStone SFX Series Specifications

General

Form Factor	SFX
PFC	Active PFC
Dimensions	125mm (W) x 63.5mm (H) x 100mm (D)
Input Frequency Range	47Hz ~ 63Hz
Connectors	ATX 24/20-Pin connector, EPS/ATX 12V 8/4-Pin connector, SATA connector, Peripheral 4-Pin connector, PCI-E 8/6-Pin connector
Operating Temperature	0°C
Safety Approval	CE, FCC, TUV, BSMI, CCC
Protections	OVP, UVP, OPP, SCP, OTP
Efficiency Rating	80 Plus Gold
Modular	Fully Modular

Summary

SPECIFICATION SFX Form Factor

4. OUTPUT ELECTRICAL REQUIREMENTS

4.1. OUTPUT VOLTAGE AND CURRENT RATING

Lists output voltage and current ratings for SX300-B and SX450-B models.

4.2. LOAD CAPACITY SPECIFICATIONS

Defines cross-regulation and load capacity for different output conditions.

4.3. OVER VOLTAGE PROTECTION

Specifies the over-voltage protection points for output voltages.

4.4. SHORT CIRCUIT PROTECTION

Describes the power supply's behavior during output short circuit conditions.

4.5. OVER CURRENT PROTECTION

Details the over-current protection limits for the power supply outputs.

4.6. OVER POWER PROTECTION

Specifies the power supply's shutdown behavior when exceeding output wattage.

4.7. UNDER VOLTAGE PROTECTION

7. SAFETY TESTING

7.1. GROUND LEAKAGE CURRENT

7.2. DIELECTRIC STRENGTH

7.3. INSULATION RESISTANCE

11. POWER SUPPLY CONNECTOR OVERUSE DEFINITION