Spire
Jewel 300W SFX - SP-SFX-300W-E1
Jewel 300W SFX - SP-SFX-300W-E1
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The SFX power supply unit (PSU) is a compact form factor power supply designed specifically for use in smaller computer cases. "SFX" stands for "Small Form Factor Extended," indicating the unit's standardized size and shape.
Compared to a standard ATX power supply, an SFX PSU is more compact and shorter, making it an ideal choice for small form factor cases, such as mini-ITX and micro-ATX systems. Despite its smaller dimensions, an SFX PSU is still capable of delivering sufficient power to support a wide range of computer components.
SFX power supplies are available in two variants: standard SFX and SFX-L (SFX Large). The SFX-L variant is slightly longer than the standard SFX, allowing for larger fans and potentially quieter operation.
The Spire Jewel SFX Power Supply is a compact model that provides ample power for small form factor systems. It ensures stable power delivery, high efficiency, optimal cooling, low noise operation, and long-term reliability. Equipped with a single 80mm fan, it offers efficient airflow and quiet performance. Designed to be compatible with all AMD and Intel-based systems, it meets the 12V SFX and MINI ITX 3.0 specifications.
FEATURES
- SFX Ver.3.0 and ATX Ver.1.3 Specification Compliant
- Compliant with ErP 2013. Lot6 and 80 plus energy standards
- One single independent 12V railI/O Short Circuit- Overload- & Over current-Protection
- 2 Years Warranty
SPECIFICATIONS
| EAN |
6943051286242 |
|---|---|
| Brand |
Spire |
| Unit Weight |
0.85 |
| Unit Dimension (cm) |
10 x 12.5 x 6.4 |
| Package Weight (kg) |
1.1 |
| Package Dimension (cm) |
23.5 x 9.5 x 14 |
| Certification |
CE/RoHS |
| Connectors |
20+4pin 1PCS, 12V 4pin 1PCS,SATA 2PCS,IDE(Molex) 4pin 4PCS,Floppy 4pin 1PCS |
| Cooling |
One 80mm cooling fan |
| Efficiency |
Energy Star |
| Features |
Intel SFX 12V 3.0 Specification Compliant Supports the newest Intel and AMD Micro-Processors I/O Short Circuit & Overload/OVP/OLP/SCP Protection SATA Power Connector |
| Frequency |
50~60 Hz |
| Gaming |
No |
| Hold Up Time |
16 ms(min) |
| LED Fan |
No |
| Life Expectancy (HRS) |
100,000 Hours |
| Material |
SECC |
| Material Thickness (mm) |
0.6 |
| Modular Cables |
NO |
| Noise Level (dBA) |
21 dBA Max |
| Nominal Power (w) |
300 |
| Operating Temperature (°C) |
0~40 |
| Packaging Includes |
Mounting screws 5pcs |
| Packaging Type |
Yellow box |
| P.G. Signal |
100~500ms |
| Rated Current (A) |
3A for 220VAC Input |
| Storage Temperature (°C) |
-20~60 |
| Voltage AC (INPUT) |
200 ~ 240 |
| Voltage Protection |
+12V trip point 13.4V – 15.6V |
| Warranty |
2 years |

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Premium Thermal Solutions
Trusted by Intel & AMD since 2001
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First aluminum designer PC case ever
Spire Pininfarina collaboration in 2004
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Ergonomic Solutions
Innovators of the vertical mouse in 2011