Better World
Seasonic 300W PC Power Supply, 100 → 240V ac Input, -12 V dc, 3.3 V dc, 5 V dc, 12 V dc Output
- RS Stock No.:
- 136-6055
- Mfr. Part No.:
- SSP-300SFB
- Brand:
- Seasonic
Bulk discount available
Subtotal (1 unit)*
£42.86
(exc. VAT)
£51.43
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 131 unit(s) ready to ship
- Plus 19 unit(s) ready to ship from another location
- Plus 200 unit(s) shipping from 27 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 - 4 | £42.86 |
| 5 - 9 | £41.57 |
| 10 - 24 | £40.28 |
| 25 - 49 | £39.00 |
| 50 + | £37.91 |
*price indicative
Better World
Our Better World range features products that make it easy for you to make a greener product choice you can trust. Click here to find out more.
- RS Stock No.:
- 136-6055
- Mfr. Part No.:
- SSP-300SFB
- Brand:
- Seasonic
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| 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, 20 A, 800 mA | |
| Number of Outputs | 6 | |
| Length | 100mm | |
| Width | 125mm | |
| Depth | 63.5mm | |
| Load Regulation | ±5% | |
| Line Regulation | ±1% | |
| Better World Product | Yes | |
| Better World Verification | 80 PLUS Bronze | |
| Series | SSP | |
| Input Frequency Range | 47 → 63Hz | |
| Standards Met | BSMI, CB, CCC, CE, CUL, FCC, RCM, TUV | |
| Power Signal Conversion Type | AC-DC | |
Select all | ||
|---|---|---|
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, 20 A, 800 mA | ||
Number of Outputs 6 | ||
Length 100mm | ||
Width 125mm | ||
Depth 63.5mm | ||
Load Regulation ±5% | ||
Line Regulation ±1% | ||
Better World Product Yes | ||
Better World Verification 80 PLUS Bronze | ||
Series SSP | ||
Input Frequency Range 47 → 63Hz | ||
Standards Met BSMI, CB, CCC, CE, CUL, FCC, RCM, TUV | ||
Power Signal Conversion Type AC-DC | ||
- COO (Country of Origin):
- CN
Seasonic SFX Power Supply
The industrial power supply from Seasonic is SFX 12 V v.2.31 compliant and offers important protection features for safe operations. With its 80 PLUS® Bronze rating, it can achieve up to 85 % efficiency at 115 V AC at 50 % load. This is the ideal solution for both businesses and consumers who are looking for a high quality and efficient SFX Power Supply.
Features and Benefits
• SATA-ready
• 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 % system load)
• 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 % system load)
Related links
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- Seasonic 250W PC Power Supply -12 V dc 5 V dc, 12 V dc Output
- Seasonic 300W PC Power Supply 3.3 V dc 12 V dc Output
- Seasonic 400W PC Power Supply -12 V 5 V 12 (Combined) V Output
- Seasonic 500W PC Power Supply -12 V 5 V 12 (Combined) V Output
- Seasonic 650W ATX Power Supply 3.3V Output
- Seasonic 600W ATX Power Supply 3.3V Output
- Seasonic 850W ATX Power Supply 3.3V Output