FSP Dagger Pro 850W SFX 80 Plus Gold Power Supply – Overview
Output
850W continuous
Single +12V rail rated at 70.83 A
850W continuous
Single +12V rail rated at 70.83 A
Efficiency
80 Plus Gold
90% or better at typical load
80 Plus Gold
90% or better at typical load
Form factor
SFX, 125 x 100 x 63.5 mm
Fits SFX cases, and ATX cases with an adapter bracket
SFX, 125 x 100 x 63.5 mm
Fits SFX cases, and ATX cases with an adapter bracket
Standard
ATX 3.1 / PCIe 5.1
Native 12V-2×6 connector for current graphics cards
ATX 3.1 / PCIe 5.1
Native 12V-2×6 connector for current graphics cards
Cabling
Fully modular
All-black flat ribbon cables
Fully modular
All-black flat ribbon cables
Fan
92mm, semi-fanless
Ball-bearing fan only spins above roughly 20% load
92mm, semi-fanless
Ball-bearing fan only spins above roughly 20% load
Connectors
2 x EPS 4+4, 4 x PCIe 6+2
Plus 12V-2×6, SATA and Molex leads
2 x EPS 4+4, 4 x PCIe 6+2
Plus 12V-2×6, SATA and Molex leads
Protection
OCP, OVP, SCP, OPP, OTP
Japanese electrolytic capacitors
OCP, OVP, SCP, OPP, OTP
Japanese electrolytic capacitors
Warranty
10 Year Carry-In
FSP manufacturer warranty
10 Year Carry-In
FSP manufacturer warranty
FSP Dagger Pro 850W SFX 80 Plus Gold Power Supply Specifications
| General | |
|---|---|
| Brand | FSP |
| Series | Dagger Pro (ATX3.1) 850W |
| Model / part number | SDA2-850 GEN5 |
| Form factor | SFX (SFX12V V4.0) |
| Colour | Black |
| Power | |
| Max continuous output | 850W |
| Efficiency | 80 PLUS Gold, 90% or better at typical load |
| PFC | Active PFC |
| AC input | 100-240 V, 12-6 A, 50-60 Hz |
| +12V | 70.83 A single rail (850W) |
| +3.3V / +5V | 20 A / 20 A, 120W combined |
| -12V | 0.3 A |
| +5VSB | 2.5 A |
| Standards | ATX12V V3.1, PCIe 5.1, PCIe 12V-2×6 |
| Protections | OCP, OVP, SCP, OPP, OTP |
| Capacitors | Japanese electrolytic |
| Control IC | FSP MIA (Multiple Intelligence Ability) chipset |
| Connectors | |
| Modularity | Fully modular, flat ribbon cables |
| 24-pin ATX (20+4) | 1 |
| CPU EPS 4+4-pin | 2 |
| PCIe 6+2-pin | 4 |
| PCIe 12V-2×6 | 1 |
| SATA | 6 |
| Molex 4-pin | 2 |
| Cooling | |
| Fan | 92mm ball bearing |
| Fan mode | Semi-fanless, fan starts above roughly 20% load |
| Physical | |
| Dimensions (L x W x H) | 125 x 100 x 63.5 mm |
| In the Box and Warranty | |
| In the box | Dagger Pro 850W SFX power supply Modular cable set SFX-to-ATX adapter bracket |
| Warranty | 10 Year FSP Carry-In |
Watch: FSP Dagger Pro 850W SFX 80 Plus Gold Power Supply Review
About the FSP Dagger Pro 850W SFX 80 Plus Gold Power Supply
The FSP Dagger Pro 850W is a fully modular SFX power supply for small form factor gaming PCs that run a high-end graphics card. It is 80 Plus Gold certified and meets ATX 3.1 and PCIe 5.1, with a native 12V-2×6 connector alongside four PCIe 6+2-pin leads and two CPU connectors for high-end boards. A single +12V rail delivers 70.83 A. The 92mm fan stays off at light loads, flat ribbon cables keep tight builds tidy, and Japanese capacitors are used throughout. With an adapter bracket it also fits standard ATX cases.
