Enermax Platimax 850W Power Supply

Name: Enermax Platimax 850W
Brand: Enermax
SKU: EPM850EWT
Rating: 4.0 (7 reviews)

Enermax Platimax 850W 80 PLUS Platinum Modular EPM850EWT

★★★★☆

(7 reviews)

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Clean and efficient layout with a classic finish and black deco frame, ENERMAX's Platimax considers both aesthetics and technology. Power packed to the core, the 80 PLUS Platinum certified Platimax is SLI and CrossFireX ready, and will add real boost to your beast machine. Advanced FMQ (Full-Zone Magnetic Quadrant) transformer design coupled with Copper-Bridge Array Transmission provides improved efficiency and reduced energy loss. The modular design makes cable management easier.

Specifications Overview

Model	EPM850EWT
Wattage	850 W
Type	ATX
Modular	Semi
Efficiency	80+ Platinum
Output	+3.3V@24A, +5V@25A, +12V1@30A, +12V2@30A, +12V3@30A, +12V4@30A, -12V@0.5A, +5VSB@3A
PCI-Express 16 Pin 12VHPWR Connectors	0
PCI-Express 12 Pin Connectors	0
PCI-Express 6+2 Pin Connectors	4
PCI-Express 6 Pin Connectors	0
EPS Connectors	2
SATA Connectors	12
Molex Connectors	8

	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

Description

ENERMAX Platimax 850W Power Supply Specifications

	EPM600EWT		EPM750EWT		EPM850EWT
AC Input Voltage	100–240VAC, 50–60Hz (Maximum range: 90–265VAC, 47–63Hz)
AC Input Current	8 – 3.5A		9 – 4.5A		11 – 5A
DC Output
	Rated	Combined	Rated	Combined	Rated	Combined
3.3V	0–20A	100W	0–24A	120W	0–24A	120W
5V	0–20A		0–24A		0–24A
12V1	0–25A	600W (50A)	0–25A	744W (62A)	0–30A	840W (70A)
12V2	0–25A		0–25A		0–30A
12V3	0–25A		0–25A		0–30A
12V4	–	–	0–25A		0–30A
-12V	0–0.5A	6W	0–0.5A	6W	0–0.5A	6W
5Vsb	0–2.5A	12.5W	0–3A	15W	0–3A	15W
Total Power	600W		750W		850W
Peak Power*	660W		825W		935W
Protection Circuit
Over Current Protection	DC Rail	OCP trigger range
	3.3V	30 – 40A
	5V	30 – 40A
	12V	30 – 40A (EPM600AWT); 35 – 45A (EPM750AWT / EPM850EWT)
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 ~ 50 oC (for full rated output) Storage ambient: -40oC ~ 70oC
Humidity		Operation: to 85% relative humidity, non-condensing Storage: to 95% relative humidity, non-condensing
OTHERS
Cooling		One 13.9cm twister bearing fan, speed auto controlled
MTBF		> 100,000 hours at 70% of full rated load, 230VAC/50Hz, 25 oC (MIL-HDBK-217F standard)
Dimension		150(w) x 86(h) x 160(d) mm (EPM600AWT) 150(w) x 86(h) x 175(d) mm (EPM750AWT / EPM850EWT)
Weight		2kg (without modular cables)±50g (EPM600AWT) 2.9kg(without modular cables)±50g (EPM750AWT / EPM850EWT)
Safety		UL/cUL(Level 6), TUV, GOST, CB, BSMI
EMC		CE, FCC, KCC

*Peak power may last up to 60 seconds

Expert reviews

All manufacturers are currently working on high-end Platinum efficiency PSUs, so we expect the competition to get really hard. This is very good for all users out there, since extreme competition means better products at lower prices. In the case of...

techPowerUp!

Read the full review

When shopping for a quality power supply Enermax are always one of the companies to place at the top of a shortlist. Last October we looked at their Platimax 1200W power supply and today we are reviewing the 850W version. Like the bigger brother,...

Kitguru.net

Read the full review