Cooler Master MasterWatt 550W Power Supply

Cooler Master MasterWatt 550W Semifanless Modular 80 PLUS Bronze

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Options (2)

	650W $54.99
	750W $49.99

Semi-Fanless up till 15% load
80 PLUS Bronze Certified
120mm self-lubricating dustproof fan
5 years warranty
The thicker 16 AWG PCI-e cables allow for higher currents, thereby improving efficiency

Specifications Overview

Model	MPX-5501-AMAAB-US MPX-5501-AMAAB-UK MPX-5501-AMAAB-AU MPX-5501-AMAAB-EU
Release Date	September 2017 * First availability for purchase, it may not correspond to the actual market launch date.
Wattage	550 W
Type	ATX
Modular	Semi
Efficiency	80+ Bronze
Output	+3.3V@20A, +5V@20A, +12@45.8A, -12V@0.3A, +5VSB@3A
PCI-Express 16 Pin 12VHPWR Connectors	0
PCI-Express 12 Pin Connectors	0
PCI-Express 6+2 Pin Connectors	2
PCI-Express 6 Pin Connectors	0
EPS Connectors	1
SATA Connectors	6
Molex Connectors	4
Length	140 mm

	Old Name	Current Name	Branding	Data Speed	Port
USB 2.0	USB 2.0	USB 2.0	Hi-Speed USB	480 Mbit/s	diverse
USB 3.0	USB 3.1 Gen 1	USB 3.2 Gen 1x1	SuperSpeed USB	5 Gbit/s	diverse
USB 3.1	USB 3.1 Gen 2	USB 3.2 Gen 2x1	SuperSpeed USB 10Gbps	10 Gbit/s	diverse
USB 3.2	USB 3.2 Gen 2x2	USB 4.0 Gen 2x2	USB4 20Gbps	20 Gbit/s	only USB-C
USB4	USB 4.0 Gen 3x2	USB4 1.0	USB4 40Gbps	40 Gbit/s	only USB-C
USB4v2	USB 4.0 Gen 4	USB4 2.0	USB4 80Gbps	80-120 Gbit/s	only USB-C