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⚡ Compact power, future-proofed performance — your desk’s new best friend.
The FSP Dagger Pro 850W is a compact SFX power supply designed for small form factor and ATX PC builds. It supports the latest ATX 3.1 and PCIe 5.1 standards with a native 12V-2x6 connector, delivering stable 850W power. Featuring a semi-fanless cooling system, fully modular cables, and premium Japanese capacitors, it offers quiet operation, clean cable management, and exceptional durability with 80 PLUS Gold efficiency.
| ASIN | B0C3WQ47CD |
| Best Sellers Rank | #218 in Computer Power Supplies |
| Brand | FSP |
| Compatible Devices | Computer, PC, SFF PC |
| Connector Type | ATX |
| Connector Type Used on Cable | ATX |
| Cooling Method | Air |
| Current Rating | 70.83 A |
| Customer Reviews | 4.4 out of 5 stars 14 Reviews |
| EU Spare Part Availability Duration | 10 years |
| Fan Size | 2.5 inches |
| Form Factor | SFX |
| Item Dimensions | 4.92 x 3.93 x 2.5 inches |
| Item Weight | 2.05 kg |
| Manufacturer | FSP Group U.S.A |
| Maximum Input Voltage | 240 volts_of_alternating_current |
| Mfr Part Number | PPA8503901 |
| Minimum Input Voltage | 100 volts_of_alternating_current |
| Model Name | SDA2-850 |
| Model Number | SDA2-850-G5 |
| Number of Fans | 1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Output Wattage | 850 watts |
| Power Supply Design | Full Modular |
| System Bus Connector Type | 20+4 Pin |
| UPC | 845685013934 |
| Unit Count | 1 Count |
| Warranty Description | 5 year manufacturer |
| Wattage | 850 watts |
T**R
Worth it
Still holding up like a champ and does exactly as expects , it fits in my small build pc case and it powers on my rtx 5060
S**Y
Compact!!!
Lovely PSU fan. It significantly reduces the weight of a mini ATX build. Less weight is needed, as I place my PC on my desk.
V**.
FSP SFX ATX 3.0 PSU Review
Excellent quality PSU with dedicated GPU power cable. I'm running this PSU to a RTX 4070 Super and ITX sized MINISFORUM BD795i SE motherboard/cpu/heatsink assembly. Getting excellent temps and stability with this PSU, highly recommended.
I**V
Works as intended.
Works as intended, turned out it was bad CPU out of the box, not this PSU
B**.
Garbage
Died within 4 months of use. Turned PC on as usual, *pop*, dead. All cables were properly seated and I only used the ones included with the PSU. Just glad it didn't fry my new PC. Stay away.
Trustpilot
1 week ago
2 days ago