Better World

Seasonic 400W PC Power Supply, 90 → 264V ac Input, 3.3 V dc, 5 V dc, ±12 V dc Output

View all PC Power Supplies
Bulk discount available

Subtotal (1 unit)*

£74.76

(exc. VAT)

£89.71

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • 20 unit(s) shipping from 14 January 2026
  • Plus 60 unit(s) shipping from 24 April 2026
  • Plus 60 unit(s) shipping from 19 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 - 4£74.76
5 - 9£72.52
10 - 24£70.28
25 - 49£68.03
50 +£66.14

*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.:
666-7025
Mfr. Part No.:
SS-400H2U APFC F0 80+
Brand:
Seasonic
Find similar products by selecting one or more attributes.
Select all

Brand

Seasonic

Input Voltage

90 → 264V ac

Output Voltage

3.3 V dc, 5 V dc, ±12 V dc

Power Rating

400W

Output Current

3 A, 20 A, 21 A, 29 A, 800 mA

Number of Outputs

5

Length

225mm

Width

100mm

Depth

70mm

Mounting Type

Rack Mount

Efficiency

80%

Load Regulation

±5%

Line Regulation

±1%

Better World Verification

80 PLUS

Better World Product

Yes

Weight

1.4kg

Maximum Temperature

+50°C

Minimum Temperature

0°C

Seasonic 400W & 600W 2U Rack Mount Industrial 80 Plus ATX Computer Power Supply


80 Plus certified
Industrial 2U rackmount PSU
Active power factor correction: EN61000-3-2
80% Super high efficiency
High 50°C operating temperature
Over-voltage, over-power and short circuit protection
Easy swap connector design
Supplied with 24 pin mother board connector

Approvals

UL/cUL recognised, TUV, CB, CCC, FCC, C-Tick

Related links