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Seasonic 300W PC Power Supply, 100 → 240V ac Input, -12 V dc, 3.3 V dc, 5 V dc, 12 V dc Output

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Subtotal (1 unit)*

£55.04

(exc. VAT)

£66.05

(inc. VAT)

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In Stock
  • 61 unit(s) ready to ship
  • Plus 6 unit(s) ready to ship from another location
  • Plus 200 unit(s) shipping from 27 November 2025
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Units
Per unit
1 - 4£55.04
5 - 9£53.38
10 - 24£51.74
25 - 49£50.09
50 +£48.44

*price indicative

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Alternative

This product is not currently available. Here is our alternative recommendation.

presentation
Seasonic 550W PC Power Supply, 220V Input, -12 V, 3.3 V, 5 V, 12 V Output
RS Stock No.
781-7189

Each

£98.95

(exc. VAT)

£118.74

(inc. VAT)

RS Stock No.:
136-6053
Mfr. Part No.:
SSP-300SUB
Brand:
Seasonic
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Brand

Seasonic

Input Voltage

100 → 240V ac

Output Voltage

-12 V dc, 3.3 V dc, 5 V dc, 12 V dc

Power Rating

300W

Output Current

2 A, 14 A, 17 A, 18 A, 800 mA

Number of Outputs

6

Length

150mm

Width

81.5mm

Depth

40.5mm

Load Regulation

±5%

Line Regulation

±1%

Better World Product

Yes

Better World Verification

80 PLUS Bronze

Input Frequency Range

47 → 63Hz

Series

SSP

Standards Met

BSMI, CB, CCC, CE, CUL, FCC, RCM, TUV

Power Signal Conversion Type

AC-DC

COO (Country of Origin):
CN

Seasonic PC Power Supply


The Seasonic SSP series switch-mode power supply has a power rating of 300W and outputs a current of 14A at 3.3V, 17A at 5V, 18A at 12V and 0.8A at -12V. This offers a reliable source for a wide range of setups. Its extremely low noise fan control makes it a pleasant companion in any industrial system. It has an operating supply of voltage range from 100VDC to 240VDC.

Features and Benefits


SATA-ready
Fully modular
High efficiency and reliability
Low ripple and noise
Super low noise fan control
Short circuit protection on all outputs
Over voltage protection
Over power protection
Fanless mode (up to 30% load)
Connectors are main power and ATX 12 V
Active power factor correction is >95% (typical)

Applications


Workstations
Standard or advanced servers
Automation or communication applications

Certifications


CB certified
cUL approved
CCC certified
FCC certified
TUV certified
GSMI
RCM

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