FSP logo MPN: PPA8503900

FSP DAGGER PRO 850W Power supply unit SFX SFX3.3 Black

Released: Not on record
$229.48 from US · Amazon.com Updated 2 weeks ago Last updated Sep 3, 2026 03:14 UTC

Ratings & price sourced from Amazon.com (United States).

Wattage
850 W
Efficiency rating
80 PLUS Gold
Depth
125 mm
Width
100 mm
Height
63.5 mm
Purpose
PC
Efficiency
90
ATX version
3.0
Cabling type
Fully-Modular
View 44 specifications
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Overview

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 850W 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!

Technical Specifications

Physical

4 SPECS
Depth
125 mm
Width
100 mm
Height
63.5 mm
Colour
Black

Cooling

3 SPECS
Cooling type
Active
Fan size
92
Number of fans
1

Power

2 SPECS
Wattage
850 W
Efficiency rating
80 PLUS Gold

General

35 SPECS
Purpose
PC
Efficiency
90
ATX version
3.0
Cabling type
Fully-Modular
Fan location
Top
Input current
12-6
On/off switch
Yes
Included cables
CPU,PCIe,Peripheral (Molex),SATA
Warranty period
7
AC input voltage
100 - 240
AC input frequency
50/60
Bearing type
Ball bearing
Combined power (+5V)
120
Combined power (+12V)
850
Combined power (-12V)
3.6
CPU power cable length
450
Combined power (+3.3V)
120
Combined power (+5Vsb)
12.5
SATA power cable length
450
Max output current (+5V)
20
Max output current (+12V)
70.83
Max output current (-12V)
0.3
Power protection features
Over current,Over power,Over voltage,Overheating,Short circuit
Max output current (+3.3V)
20
Max output current (+5Vsb)
2.5
Motherboard power connector
20+4 pin ATX
CPU power connector (4+4 pin)
Yes
Motherboard power cable length
350
Number of SATA power connectors
6
Power Factor Correction (PFC) type
Active
Power supply unit (PSU) form factor
SFX
PCI Express power connectors (6+2 pin)
2
PCI Express power connectors (12+4 pin)
1
Peripheral (Molex) power connectors (4-pin)
2
PCI Express power connectors (12+4 pin) cable length
500
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Market Value History

Sources

Icecat product datasheet

Product lifecycle

In production

Still listed as on-market by the manufacturer — actively sold and supported.

Lifecycle status is derived from catalog data and is indicative, not a manufacturer support guarantee.

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