Chieftec logo MPN: BFX-450BS

Chieftec Smart 450W power supply unit 20+4 pin ATX ATX Black, Silver

Released: Not on record
$213.86 from US · Amazon.com Updated 2 months ago Last updated Sep 3, 2026 03:14 UTC

Ratings & price sourced from Amazon.com (United States).

Wattage
450 W
Efficiency rating
80 PLUS Bronze
Depth
100 mm
Width
125 mm
Height
64 mm
Weight
1500 g
Purpose
PC
ATX version
2.3
Cabling type
Non-Modular
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Overview

The BFX Series combines an 80PLUS Bronze efciency and a modern technical platform based on DC-DC technology into a compact SFX form factor that ensured reliability and high performance. With the inclusion of a 9cm fan, while keeping the total length of the PSU to 10cm, the BFX Series stays very compact, while beneftting from a quiet fan operation. All modern protection mechanisms are included for peace of mind.

Technical Specifications

Physical

6 SPECS
Depth
100 mm
Width
125 mm
Height
64 mm
Weight
1500 g
Colour
Black,Silver
Customs (HS) code
84733020

Power

2 SPECS
Wattage
450 W
Efficiency rating
80 PLUS Bronze

Cooling

2 SPECS
Cooling type
Active
Fan size
90

General

31 SPECS
Purpose
PC
ATX version
2.3
Cabling type
Non-Modular
Power factor
0.9
Input current
7
AC input voltage
100 - 240
AC input frequency
47 - 63
Combined power (+5V)
120
Combined power (+12V)
450
Combined power (-12V)
3.6
Combined power (+3.3V)
120
Combined power (+5Vsb)
12.5
SATA power cable length
250
Max output current (+5V)
20
Max output current (+12V)
37.5
Max output current (-12V)
0.3
Power protection features
Over current,Over voltage,Overheating,Overload,Short circuit,Under voltage
Max output current (+3.3V)
20
Max output current (+5Vsb)
2.5
Motherboard power connector
20+4 pin ATX
Floppy drive power connector
1
EPS power connector (4+4 pin)
Yes
Floppy disk drive cable length
150
Motherboard power cable length
350
PCI Express power cable length
350
Number of SATA power connectors
3
Power Factor Correction (PFC) type
Active
Power supply unit (PSU) form factor
ATX
Peripheral (Molex) power cable length
150
PCI Express power connectors (6+2 pin)
2
Peripheral (Molex) power connectors (4-pin)
2

Market Value History

Sources

Product lifecycle

In production

Still listed as on-market by the manufacturer — actively sold and supported.

Lifecycle status is derived from catalog data and is indicative, not a manufacturer support guarantee.