Seasonic PRIME-TX-850 power supply unit 850 W 20+4 pin ATX ATX Black

SKU: PRIME-TX-850
Regular price £280.96 inc. VAT
  • 80 PLUS® Titanium certified
  • Micro Tolerance Load Regulation (0.5 %)
  • Cable-free Connection Design
  • Premium Hybrid Fan Control - Fanless until 40 % load
  • Multi-GPU setup
  • Gold plated connectors

Pressing on with its One Seasonic Initiative, the PRIME TX, PRIME PX and PRIME GX series became the successors to the Seasonic PRIME and PRIME Ultra series.

The PRIME Series has always demonstrated outstanding performance and have become the epitome of technological excellence and quality through the years. This third generation of PRIME Series rolled out not only with a uniformed naming scheme but also with updated general design and connection cables. As each new model in these PRIME series have their distinctive set of features and specifications, prospective customers will find a streamlined buying guidance through understanding the One Seasonic process.

80 PLUS® TITANIUM
The PRIME Titanium Series achieves the highest level of 80 PLUS® Titanium certification on the market with its 94 % efficiency at 50 % system load.

MICRO TOLERANCE LOAD REGULATION
Seasonic’s latest design keeps the output voltage within a very tight range, achieving under 0.5 % load regulation. This impressive electrical performance and stability makes this power supply an ideal choice for high-performance systems.

PREMIUM HYBRID FAN CONTROL
Seasonic’s vast experience in designing the most silent and efficient power supplies on the market was translated into the development of Hybrid Mode; a state-of-the-art fan control that enables users to keep the overall fan noise at the lowest possible level.

FLUID DYNAMIC FAN BEARING
High performance Fluid Dynamic Bearing (FDB) fans are designed to take advantage of the impact absorbance effects of oil. They are extremely reliable and generate considerably less operating noise and heat than ball bearing fans. The lubrication of the bearing surface reduces friction and vibration and therefore lowers overall power consumption. Due to the effortless, quieter rotations and its robust construction, this reliable fan technology also greatly increases the lifespan of the fan.

HOW IT WORKS
When the fan shaft rotates, high pressure oil drifts along the grooves of the bearing sleeve to generate a thin layer of lubrication between the bearing faces. As the speed increases, so does dynamic oil pressure and the shaft is lifted from the bearing to create smooth, effortless rotations. The herringbone shape of the groves helps to efficiently channel the lubricant and avert leakage.

CABLE-FREE CONNECTION DESIGN
Seasonic’s engineers have implemented a new design feature, where instead of cables; the back panel and the PCB (Printed Circuit Board) are connected by a copper plate. This breakthrough solution not only lowers the chance of production errors during manual insertion but it also improves output power quality.

Power
Power protection features Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Max output current (+5Vsb) 2.5 A
Max output current (-12V) 0.3 A
Max output current (+5V) 20 A
Max output current (+12V) 70 A
Max output current (+3.3V) 20 A
Combined power (+5Vsb) 15 W
Combined power (-12V) 3.6 W
Combined power (+5V) 100 W
Combined power (+12V) 840 W
Combined power (+3.3V) 100 W
Input current 11 - 5.5 A
AC input frequency 50 - 60 Hz
AC input voltage 100 - 240 V
Total power 850 W
Ports & interfaces
Cabling type Fully-Modular
PCI Express connector Yes
Floppy drive power connector 1
Floppy disk drive connector Yes
ATX power connector (20+4 pin) Yes
CPU power cable length 65 cm
CPU power connector (4+4 pin) Yes
PCI Express power cable length 75 cm
PCI Express power connectors (6+2 pin) 6
Peripheral (Molex) power cable length 470,690 mm
Peripheral (Molex) power connectors (4-pin) 5
SATA power cable length 450,570,700,760,800,810 mm
Number of SATA power connectors 14
Motherboard power cable length 61 cm
Motherboard power connector 20+4 pin ATX
Performance
Mean time between failures (MTBF) 150000 h
Bearing technology FDB
80 PLUS certification 80 PLUS Titanium
Power supply unit (PSU) form factor ATX
Purpose PC
Design
On/off switch Yes
Fan location Top
Number of fans 1 fan(s)
Fan diameter 13.5 cm
Cooling type Active
Product colour Black
Operational conditions
Operating temperature (T-T) 0 - 50 °C
Certificates
Certification cTUVus, TUV, CB, CCC, BSMI, EAC, CEWEEE, ErP Lot 6, REACH
Compliance certificates RoHS
Packaging content
Cables included AC
Weight & dimensions
Height 86 mm
Depth 170 mm
Width 150 mm
Packaging data
Package type Box
Manual Yes
Technical details
Sustainability certificates ENERGY STAR
Logistics data
Harmonized System (HS) code 84733020
Other features
Cable ties included Yes
Number of screws 4
Screws included Yes