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Item#: N82E16817171077

Cooler Master Silent Pro M2 - 850W Power Supply with 80 PLUS Silver Certification and Semi-Modular Cables

  • ATX 12V V2.3
  • Modular
  • 80 PLUS SILVER Certified
  • 90 - 264 V 47 - 63 Hz
  • +3.3V@30A, +5V@30A, +12V@68A, -12V@0.3A, +5VSB@3A
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BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Built for quality and performance, the Silent Pro M2 1500W utilizes dual 12V rails that boasts a significant increase in available power output per power supply model over its predecessors. It translates into increased total amperage, high quality components to increase efficiency, environmentally friendly RoHS and ERP 2010 Certifications, and a long life 135mm fan with a durable Hydraulic Dynamic Bearing that decreases noise.

  • newegg Copper-Aluminum Heat Sink This slick CM design incorporates an expansive flat surface area for superior heat conductivity out to the aero-dynamic fins, therefore removing heat at an unprecedented rate.
  • newegg Silent Operation 135 mm Hydraulic Dynamic Bearing Fan ensures quieter operation.
  • newegg Dual 12V Power Rails Dual 12 V Power Rails Tackling challenges from the most power-intensive peripherals head on, these two 12 V power rails provides ample power and strong resistance to any overloading up to 70 and 55A. Intel standard compliant, this power supply provides a stable power source and connectors for the latest ATX 12V v2.3 Intel processors.
  • newegg Modularized Cabling Neatly arranged connectors on the rear plate connect to flat internal cabling improve installment facility while allowing for greater airflow through the PSU.
  • newegg Eco-friendly design: Erp Lot6 Ready! A maximum 5Vsb current draw target in S5 off-mode of 0.1A for its motherboards and needed to ensure the system will consume < 1W in its off-mode.
  • newegg And More Multiple connectors are updated for all types of interfaces (PCIe, SATA etc.). Double-Layer EMI Filter offers dual protection from electromagnetic interference. With an MBTF of 100,000 hours and protections for OVP/UVP/OTP/OPP/SCP; this power unit is made to last.



The Silent Pro M2 1000W power supply delivers excellent quality and performance. It utilizes a single 12V rail that boasts a significant increase in available power output over its predecessor. It translates into increased total amperage, high quality components to increase efficiency, environmentally friendly RoHS and ERP 2010 Certifications. Its long life 135mm fan with a durable Hydraulic Dynamic Bearing decreases noise. 

  • newegg Copper-Aluminum Heat Sink This slick CM design incorporates an expansive flat surface area for superior heat conductivity out to the aero-dynamic fins, therefore removing heat at an unprecedented rate.
  • newegg Silent Operation The 135 mm Hydraulic Dynamic Bearing fan ensures quieter operation.
  • newegg Single 12V Power Rail Single 12V Power Rail Tackling challenges from the most power-intensive peripherals head on, this solitary 12V power rail provides ample power and strong resistance to any overloading up to 80A.
  • newegg Modularized Cabling Neatly arranged connectors on the rear plate connect to flat internal cabling improve installment facility while allowing for greater airflow through the PSU.
  • newegg Intel Compliant The Silent Pro M2 1000W is proficiently prepared to provide a stable power source and connectors for the latest ATX 12V v2.3 Intel processors.
  • newegg Eco-friendly design: Erp Lot6 Ready! A maximum 5Vsb current draw target in S5 off-mode of 0.1A for its motherboards and needed to ensure the system will consume < 1W in its off-mode.



The Silent Pro M2 850W power supply delivers excellent quality and performance. It utilizes a single 12V rail that boasts a significant increase in available power output over its predecessor. It translates into increased total amperage, high quality components to increase efficiency, environmentally friendly RoHS and ERP 2010 Certifications. Its long life 135mm fan with a durable Hydraulic Dynamic Bearing decreases noise.

  • newegg Copper-Aluminum Heat Sink This slick CM design incorporates an expansive flat surface area for superior heat conductivity out to the aero-dynamic fins, therefore removing heat at an unprecedented rate.
  • newegg Silent Operation 135 mm Hydraulic Dynamic Bearing fan ensures quieter operation.
  • newegg Single 12V Power Rail Single 12V Power Rail Tackling challenges from the most power-intensive peripherals head on, this solitary 12V power rail provides ample power and strong resistance to any overloading up to 68A.
  • newegg Modularized Cabling Neatly arranged connectors on the rear plate connect to flat internal cabling improve installment facility while allowing for greater airflow through the PSU.
  • newegg Intel Compliant The Silent Pro M2 850W is proficiently prepared to provide a stable power source and connectors for the latest ATX 12V v2.3 Intel processors.
  • newegg Eco-friendly design: Erp Lot6 Ready! A maximum 5Vsb current draw target in S5 off-mode of 0.1A for its motherboards and needed to ensure the system will consume < 1W in its off-mode.


Learn more about the Cooler Master RS850-SPM2D3-US

Model

Brand
COOLER MASTER
Model
RS850-SPM2D3-US
Series
Silent Pro M2

Spec

Type
ATX 12V V2.3
Maximum Power
850W
Fans
1
PFC
Active
Main Connector
24Pin
+12V Rails
Single
PCI-Express Connector
3 x 6+2-Pin, 3 x 8-Pin
SATA Power Connector
12
SLI
SLI Ready
Haswell Support
Certified
CrossFire
CrossFire Ready
Modular
Modular
Power Good Signal
100-500ms
Hold-up Time
>17ms
Efficiency
88% Typically
Energy-Efficient
80 PLUS SILVER Certified
Over Voltage Protection
Yes
Input Voltage
90 - 264 V
Input Frequency Range
47 - 63 Hz
Input Current
11 - 5.5 A
Output
+3.3V@30A, +5V@30A, +12V@68A, -12V@0.3A, +5VSB@3A
MTBF
100,000 Hours
Approvals
TUV / CE / UL / FCC / BSMI / GOST / C-tick / KC / CCC
Dimensions
5.9" x 7.1" x 3.4"

Features

Connectors
M/B 24 Pin Connector x 1
CPU 8 Pin x 2
PCI-E 8 Pin x 3
PCI-E 6+2 Pin x 3
SATA x 12
4 Pin Peripheral x 5
4 Pin Floppy x 1
Features
Cool - Copper-Aluminum Heat Sink

Quiet - 135mm Super Silent HDB Fan

Safe - through Multiple Over Power Protections

Powerful - Single 12V Rail with 80A

Smart - Modular Flat cable system

Environmental Friendly - ERP & RoHS

Quick Info

Warranty

  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years


Customer Reviews of the Cooler Master RS850-SPM2D3-US

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Showing 13 of 13 reviews - Clear Filters

  • JANICE H.
  • 8/19/2014 2:22:24 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsDOA part needing RMA

This review is from: Cooler Master Silent Pro M2 - 850W Power Supply with 80 PLUS Silver Certification and Semi-Modular Cables

Pros: Nice amount of power supply wattage per buck, semi-modularity makes case installs look cleaner, seems to have an adjustable fan speed for noise control.

Cons: DOA with only a working 5V rail, which made the preliminary diagnostic of the PSU slightly more confusing.

Succeeded in meeting the expectation of at least one DOA; That is not an extremely favorable trait.

Other Thoughts: Nice power supply in concept, but does it work in the real world...

Would recommend getting a warranty on an power supply that hasn't been duty tested, and because his PS cost so much, a warranty is a must because of the possibility of component failure or neighbor damage.

I gave 3 stars for I have currently requested an RMA for cross shipping of the defective part. If all is in working order after the RMA process, I am going to stand by a 4 star rating.

Did you find this review helpful? Yes No

  • Eric V.
  • 7/19/2014 1:21:52 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsCables too short

This review is from: Cooler Master Silent Pro M2 - 850W Power Supply with 80 PLUS Silver Certification and Semi-Modular Cables

Pros: Quiet, high perfomance

Cons: The non-removable cables (2 x 4pin) are too short to route nicely through my case, so it has to go over my mobo.

Did you find this review helpful? Yes No

  • Jonathan P.
  • 2/10/2014 4:26:31 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsdoes what is supposed to do

This review is from: Cooler Master Silent Pro M2 - 850W Power Supply with 80 PLUS Silver Certification and Semi-Modular Cables

Pros: Quiet, and reliable

Cons: ...well, I don't like the color. Kidding, none so far. Its a power supply, either it works as advertised and is golden, or it doesn't and is garbage. Mine works fine.

Did you find this review helpful? Yes No

  • Sean K.
  • 1/23/2014 10:33:09 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year

1 out of 5 eggsTerrible RMA process!!

This review is from: Cooler Master Silent Pro M2 - 850W Power Supply with 80 PLUS Silver Certification and Semi-Modular Cables

Pros: (Mostly) Modular, good value for the $$, solid build quality, excellent warranty duration

Cons: Hope like heck that you don't have to RMA to them! I've used their products previously and usually have no issues with them. Most items have been rock solid for years.

Unfortunately, a CoolerMaster Silent Pro Hybrid unit that had been in perfect service for years started exhibiting some noise in the fan as if it was grating against the PSU chassis. I sent it back via RMA, and got a replacement unit that differed from the original unit due to end of product line issues with the hybrids. No problem right? Got the "new" Silent Pro M2 850 back in a week or two (was a refurbished unit actually) and it had the exact same problem after a few hours of use when I turned it on the next morning (I swapped in a known good PSU from another build, and it had zero issues, so it is not an issue with the build or environment). Sent it back via RMA, and have had zero luck getting the next one back.

It has been over a month, and they have not sent out the replacement, or given an estimated time to ship or arrive. They haven't replied to emails in several days, and I am basically on hold waiting. Sad to see this from such a reputable company that has been awesome previously.

Other Thoughts: I might still buy their products on a good sale, but will only deal with store returns. I can't bother with the manufacturer RMA process anymore. I cannot have this much downtime on a machine used for business functions

Manufacturer Response:

Dear Sean K,

We apologize for the delay with your RMA and for the trouble you have experienced with our Silent Pro M2 850w. Can you please contact me with your RMA number so that I can get this issue rectified immediately.

Phone: 888-624-5099 Ext 160

Respectfully,
Patrick
CMUSA Support

1 out of 1 people found this review helpful. Did you? Yes No

  • Sky H.
  • 12/2/2013 7:40:49 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat price & Quiet

This review is from: Cooler Master Silent Pro M2 - 850W Power Supply with 80 PLUS Silver Certification and Semi-Modular Cables

Pros: Great value of power and efficiency for the price (at least with the rebate).

Quiet just like it says.

Ample Amperage for the pci-e rail.

It just simply works well.

Cons: none

Other Thoughts: It'd be cool if it came with mesh shielding for the modular cables too, but you can't win them all.

Did you find this review helpful? Yes No

  • Logan K.
  • 11/26/2013 9:48:23 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

This review is from: Cooler Master Silent Pro M2 - 850W Power Supply with 80 PLUS Silver Certification and Semi-Modular Cables

Pros: High quality. I have bought coolermaster psu's for the past seven years after I bought another branded one and it died. Semi Modular. Nice cables.

Cons: Not fully modular.

Other Thoughts: Great product! love the semi modular, wish it was fully modular!

Did you find this review helpful? Yes No

  • trevin s.
  • 10/31/2013 8:29:20 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month

1 out of 5 eggsWorks but not silent

This review is from: Cooler Master Silent Pro M2 - 850W Power Supply with 80 PLUS Silver Certification and Semi-Modular Cables

Pros: The power supply worked fine but the fan was far from silent.

Cons: Noisy fan. The fan would be quiet for a bit but just randomly rev up and down at idle. I thought it was a bad one and had it switched out for another one and it did the same thing.

0 out of 1 people found this review helpful. Did you? Yes No

  • John H.
  • 8/15/2013 6:40:49 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGood to Go

This review is from: Cooler Master Silent Pro M2 - 850W Power Supply with 80 PLUS Silver Certification and Semi-Modular Cables

Pros: - Modular
- Nice understated looks
- Big Fan
- Quiet

Cons: - Gets pretty hot under load, even on bottom placement; could be my system demands (see below)

Other Thoughts: Gives me the power I need, I'm putting a lot on this; will probably upgrade in the near future.

i5 3570k @ 4.2 Ghz
GA-Z68X-UD3H-B3
12 GB DDR3 1600
2x MSI GTX 760 SLI (oc'ed)

1 out of 3 people found this review helpful. Did you? Yes No

  • Anonymous
  • 8/14/2013 10:02:11 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

5 out of 5 eggsWorks Fine

This review is from: Cooler Master Silent Pro M2 - 850W Power Supply with 80 PLUS Silver Certification and Semi-Modular Cables

Pros: Perfect, no voltage variations, i run this with a load of 600W with no problems

Cons: nothing so far

Other Thoughts: I did not bought this from newegg, but almost every part of mi PC is from newegg.
Newegg is a very good store i am a very happy customer

Did you find this review helpful? Yes No

  • Ashley W.
  • 8/13/2013 6:47:57 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsPowerful, Virtually Silent

This review is from: Cooler Master Silent Pro M2 - 850W Power Supply with 80 PLUS Silver Certification and Semi-Modular Cables

Pros: Of the dozens of models of PSUs I've used over the years, this one is by far and away the quietest of them all. By far. Unless I'm running Prime95 or similar, I don't even know my computer is even on (noise wise). Powers all of my components beautifully and being modular to boot - I recommend.

Cons: It could be a little more modular, but it's not too much of a deal to me with having a full tower case and all. If you're looking for 100% modularity, look elsewhere.

Other Thoughts: Definitely worth the buy. Works right out of the box, haven't had a single problem with it yet. If noise is your issue, this is the fix.

Did you find this review helpful? Yes No

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