• 符合 SFX12V V3.3
  • 在典型负载下转换效率≥90%
  • 内置MIA IC(多元智能芯片)芯片组
  • 静音耐用92mm 滚珠轴承风扇
  • 全黑线材
  • +12V 单路电力设计
  • 日系电解电容
  • 全面保护 OCP, OVP, SCP, OPP, OTP
  • 80plus_Gold
  • 62368

Tiny but Powerful

The DAGGER PRO series is compatible with most Mini-ITX and Micro ATX small form factor PCs. It is an ideal for home computer rigs but a great alternative for mini-PC enthusiasts.

Advance Cable Management and Flat Ribbon Cables

Fully-modular design and flat ribbon cables provide easier installation. An ideal solution for applications with space constraints, enhancing overall airflow efficiency and cable management.

92mm Fan Optimized for Low-noise Operation

Dagger PRO is included an advanced semi-fanless design that will spin over 20% loading, make silent and reduce noise under maximum operation.

80 Plus® Gold Certification

Dagger PRO series is a power supply with 80 PLUS® Gold Certification that guarantees to operate at a minimum of 90% efficiency at 50% load of PSU rated power and as a result to reduce lots of electricity cost.

Powerful +12V Single Rail for your VGA

VGA card is a component which needs greedy and stable power supporting most. The compact size DAGGER PRO series comes with a single +12V rail design that offers VGA cards full power individually and to avoid any overloading conditions.

Supports High-end Motherboard

For gaming enthusiast, the DAGGER PRO 550W features dual CPU power connectors to support high-end motherboard and and provide stable power to the CPU for gaming enthusiast.

Japanese electrolytic capacitors

Dagger PRO series uses Japanese electrolytic capacitors to ensure a longer lifetime and protect your PSU from sudden power change!

Supports High-end Motherboard

Adapts to your individual requirements, not only does it fit into cases with the SFX form factor, but can also be installed in a simple steps into normal ATX, Micro-ATX or Mini-ITX cases.




AC Input100-240Vac~  8-4A  50-60Hz
DC Output+3.3V+5V+12V-12V+5Vsb
Max Output Current20A20A45A0.3A2.5A
Max Combined Power120W540W3.6W12.5W
Total Power550W


 atx cable 24 pinEPS 4 4 pin8pinpcie 6+2 pinhd statmolex2.5 floppy
ATX 20+44+4 PIN8PINPCI-E 6+2SATAMolex


型号 SDA2-550
额定功率 550W
规格 SFX
80 PLUS 认证 金牌
输入电压 100-240V
输入电流 8-4A
输入频率 50-60Hz
效率 在典型负载下转换效率≥90%
风扇类型 92mm滚珠轴承风扇
尺寸(L x W x H) 125 × 100 × 63.5 mm