RS PRO 850W PC Power Supply, 200 → 240V ac Input, ±12 V dc, 3.3 V dc, 5 V dc Output

  • RS stock no. 121-7780
  • Manufacturer RS PRO
Technical data sheets
Legislation and Compliance
COO (Country of Origin): CN
Product Details

RS Pro Modular ATX Power Supply, 850 W

Robust & efficient modular 850 W power supply ensuring a reliable power solution for various applications such as office installations, gaming & servers. Comes equipped with a silent-running 120 mm fan, low ripple noise & mesh-cabled connectors.

Features and Benefits

•80 Plus Bronze energy efficiency rating.
•Compliant with the latest Intel ATX12V Ver.2.4 design guide.
•DC cabling comes equipped with a mesh sleeve to aid with airflow interference reduction.
•Compatible with Intel's HASWELL CPU C6/C7 power-saving mode.
•Designed for use with high-end GPU's thanks to the PCIE 6+2 pin termination.
•Able to support up to 7 SATA compatible drives.
•120 mm silent-running fan with integrated smart thermal fan speed control circuit.


CE, CB, & TUV Certified. OVP, UVP, OPP, SCP & SIP Protection. RoHS & ErP 2013 rated.

Attribute Value
Input Voltage 200 → 240V ac
Output Voltage ±12 V dc, 3.3 V dc, 5 V dc
Power Rating 850W
Output Current 0.3 → 65A
Number of Outputs 1
Mounting Type DIN Rail
Efficiency >82%
Standards Met 80 Plus Bronze Certified
Power Signal Conversion Type AC-DC
13 Available in 4-6 working days for collection or delivery to major cities, unless heavy, bulky, hazardous or lithium metal (T&C’s Apply)
Price (Excl VAT) Each
R 1,487.55
(exc. VAT)
R 1,710.68
(inc. VAT)
Per unit
1 - 4
R 1,487.55
5 - 9
R 1,457.80
10 - 24
R 1,414.07
25 - 49
R 1,357.51
50 +
R 1,303.21
Not Available for premium delivery