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For small form factor enthusiasts, the standard SFX power supply form factor has excellent combination of size, power, and affordability. At 100mm deep, however, the standard SFX PSU is also limited in fan size to 80mm. While advances in engineering and components have made modern high-end SFX PSUs quieter than ever, there is still inherent limitation with 80mm fan’s ability to dissipate heat at maximum loading conditions while maintaining satisfactory noise profile for users sensitive to higher-pitch sounds. With this in mind, SilverStone has released a “lengthened” variation of the SFX form factor called, SFX-L. With 30mm of added depth, a SFX-L power supply has enough room to fit a 120mm fan, thus its maximum load noise can be not only lower in intensity (via slower fan speed), but also lower in pitch (due to larger fan size).
The first model to debut in the SFX-L will be the SX500-LG, a 500W model that includes all features available from top of the line SFX SilverStone PSUs such as 80 PLUS Gold efficiency, modular flexible flat cables, and all Japanese capacitors. An ATX adapter bracket is included as well to enable users to install this PSU into any small or even larger cases that do not have SFX mounting holes.
- Designed for 80 PLUS Gold level of efficiency to reduce wasted heat and save on electricity. 100% modular cable design for easy removal in a case with cable routed and tied down. - Flat cables have much greater flexibility to allow for tighter folding and management of cables. ±3% regulation and low ripple & noise performance for high stability. - Ultra-quiet 120mm fan with intelligent RPM control guarantees cool performance and silent operation with minimum of 18dBA during fan operation. The fanless mode operation deactivates when PSU’s internal temperature reaches 41°C. (SX500-LG V1.0) Built-in 120mm fan has excellent airflow and low noise, perfect for quiet home or office use. (SX500-LG V2.0) - Powerful single +12V rail design, perfect for future high-end component upgrades or overclocking. Features
• Silent running 120mm fan with intelligent semi-fanless operation (SX500-LG V1.0) • Silent running 120mm fan with 18dBA minimum (SX500-LG V2.0) • Support SFX-L form factor and ATX via included bracket • High efficiency with 80 PLUS Gold certification • 100% modular cables • All cables made with flexible flat arrays • 500W continuous power output at 40c degree operating temperature rated for 24/7 operation • Class-leading single +12V rail with 40A • Strict ±3% voltage regulation and low ripple & noise • Support dual PCI-E 8/6pin connectors • Active PFC • All Japanese capacitors
80 PLUS Certification
80 PLUS Gold
87 - 90 %
1 x 120mm
Internal +12V Rails
Rail 1 +12V
Rail 2 +12V
Rail 3 +12V
Rail 4 +12V
Rail 5 +12V
Rail 6 +12V
Max. Combined Output +12V
1 x 4+4pin CPU +12V
2 x 4pin Molex
2 x 6+2pin PCI-E Power
1 x FDD Power
3 x SATA Power
125 × 63.5 × 130mm (WxHxD)
Please note your statutory rights are not affected.
PSUs (Power Supply Units)
Date Issued: 4th Jul 2011
Let's face it, power-supply units (PSUs) are boring. Presented in what's usually a mundane box spitting cables from one end, this is a product that's neither aesthetically pleasing nor technically interesting to the majority of self-builders.
Conceived back in 2004 and brought to market just a year later, the 80 PLUS initiative is one of many standards introduced in an effort to increase energy efficiency in modern technology. Targeting computer power supplies, it awards PSUs that are able to achieve an energy efficiency of over 80 per cent at varying workloads and a power factor of 0.9 or more at 100 per cent load.