Enermax Triathlor 550W Power Supply

Name: Enermax Triathlor 550W
Brand: Enermax
SKU: ETA550AWT-M
Rating: 4.8 (3 reviews)

Enermax Triathlor 550W 80 PLUS Bronze Modular ETA550AWT-M

★★★★★

(3 reviews)

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Options (1)

650 Watts

ATX12V v2.31 ready! Compliant with the newest standard for desktop power supplies.
82PLUS ready! 82-88% efficiency @ 20-100% load. Compliant with 80PLUS BRONZE efficiency requirements.
Stability ready! DC to DC converter design lowers energy loss for higher efficiency and better dynamic response and cross regulation. 12V Synchronous Rectifier design for higher efficiency and greater power density.
Zero Load Design Stable voltage output even at 0W load, that supports the energy-saving functions of modern CPU and graphics cards (C6 State/Hybrid Mode) and prevents compatibility issues.
T.B. Silence fan inside! Integrated T.B. Silence 12cm fan with patented Twister Bearing to reduce the noise and prolong lifetime.
Air Guard, Safeguard, Speed Guard, DXXI , and Power Up ready!

Specifications Overview

Model	ETA550AWT-M
Wattage	550 W
Type	ATX
Modular	Semi
Efficiency	80+ Bronze
Output	+3.3V@24A, +5V@24A, +12V1@25A, +12V2@25A, -12V@0.5A, +5VSB@2.5A
PCI-Express 16 Pin 12VHPWR Connectors	0
PCI-Express 12 Pin Connectors	0
PCI-Express 6+2 Pin Connectors	3
PCI-Express 6 Pin Connectors	0
EPS Connectors	1
SATA Connectors	6
Molex Connectors	5
Length	139 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

Pros

Very good 12v voltage regulation
Very good ripple suppression
Quiet during normal operation

Cons

A bit loud under heavy load
Loose voltage regulation on the minor rails
Lower than 16 ms hold-up time

Description

ETA550AWT-M		ETA650AWT-M
AC Input Voltage	100-240VAC, 50-60Hz
AC Input Current	7.5 - 3A		8.3 - 3.2A
DC OUTPUT
	Rated	Combined	Rated	Combined
3.3V	24A	120W	24A	140W
5V	24A		24A
12V1	25A	540W (45A)	30A	648W (58A)
12V2	25A		30A
-12V	0.5A	6W	0.5A	6W
5Vsb	2.5A	12.5W	2.5A	12.5W
Total Power	550W		650W
Peak Power*	600W		715W
PROTECTION CIRCUIT
Over Current Protection	DC Rail	OCP trigger range
	3.3V	30 - 40A
	5V	30 - 40A
	12V	35 - 45A (ETA550AWT-M) / 40 - 50A (ETA650AWT-M)
Over Voltage Protection	DC Rail	OVP trigger range
	3.3V	3.7 - 4.1V
	5V	5.7 - 6.5V
	12V	13.1 - 14.5V
(DC) Under Voltage Protection	DC Rail	UVP trigger range
	3.3V	2.0 - 2.4V
	5V	3.3 - 3.7V
	12V	8.5 - 9.5V
Over Power Protection	Activated when output power > 120 ~ 150% of rated max load.
Over Temperature Protection	Activated when PSU heat sink > 90 ~ 120 oC.
Short Circuit Protection	Activated when any DC rails short-circuited
ENVIRONMENT
Temperature	Operation ambient: 0~40oC (for full rated output) Storage ambient: -40oC
Humidity	Operation: to 85% relative humidity, non-condensing Storage: to 95% relative humidity, non-condensing
OTHERS
Cooling	One 12cm twist bearing fan, speed auto controlled
MTBF	> 100,000 hours at 70% of full rated load, 230Vac/50Hz, 25oC ambient (MIL-HDBK-217F standard)
Dimension	150(w) x 88(h) x 140(d) mm
Weight	Around 2kg (without modular cables)
Safety EMC	CE / FCC / BSM / GOST

Expert reviews

Overall the build quality of the Triathlor is good with a decent external design and quality braided cables used. We also get a solid chassis with no noticeable quality issues. Inside the unit is packed with components with plenty of nice touches such as...

HardwareHeaven

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Enermax managed to build affordable and well-performing PSUs without the help of another OEM (unlike the NAXN series), which means they have finally adapted to current times by supplying their own mainstream and mid-end products, since the money...

techPowerUp!

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Enermax has a good quality power supply in their Triathlor FC 550W unit. Under the hood they are using all Japanese capacitors. It has a nice compact size that will fit in pretty much any case that supports ATX power supplies. There are only two...

ThinkComputers

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