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Antec CP-850 850W Cpx Dual PCB Power Supply Modular ATX12V V2.3 80PLUS Active PFC SLI 120mm Fan

Fits only in CPX compatible Antec cases

Not a standard ATX size. Must be installed in Antec Twelve Hundred, P183, or P193 cases
Antec CP-850 850W Cpx Dual PCB Power Supply Modular ATX12V V2.3 80PLUS Active PFC SLI 120mm Fan - 1
Actual product may not be exactly as shown.
Antec CP-850 850W Cpx Dual PCB Power Supply Modular ATX12V V2.3 80PLUS Active PFC SLI 120mm Fan - 37094_l.jpg Antec CP-850 850W Cpx Dual PCB Power Supply Modular ATX12V V2.3 80PLUS Active PFC SLI 120mm Fan - 37094_1.jpg Customer Photos (0)
Reg. Price: $149.99  CAD
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Part #: CP-850

SKU: 37094
Shipping Weight: 9 lbs

Customer Reviews of Antec CP-850

Product reviews on NCIX.com are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by NCIX.com, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Antec CP-850 reviews.
Experience: 2 Years


No issues in the two years since I bought it
Not standard ATX size so only good for certain cases
Bought this when I got my Antec P182 case. It has lasted for over two years so far with no issues.
It is very quiet. Do not even hear it over the ambient noise in the room.

Would recommend this power supply if you have a case that can fit it.

Experience: 2 Years


-never need another psu again
Got this with the p183 and never had any problems for 2 years now. Don't recommend for starter builds since it's pretty overkill!

This review was modfied by poster @ 02-17-12 08:26 AM

Experience: 4 Weeks


Includes a good amount of connected and modular cables.
Excellent value. Very large power supply, make sure your case has the space for it. Antec cases usually do, just make sure. The size makes cooling so effective that it operates much cooler and quieter then my old 450 watt PSU.

Partially modular design is fine by me. In my build I used every permanently attached cable but needed none of the modular ones. If I get more hard drives or a second graphics card down the road I will then have the modular cables to work with, but they are out of the way for now which is perfect. (I used an Antec DF 85, Core i7 950, MSI GTX 460 HAWK, ASUS Sabertooth X58 motherboard, two HDD drives and a DVD drive).

As I understand it this is an open standard for size. It would be nice to see this catch on with other companies. I plans on reusing this PSU and case for future builds though so realistically it doesn't matter to me.

Experience: 1 Months


Quiet & powerful
Size (keep this in mind if your installing in another case)
This power supply is awesome in that it encompasses two things that really don't seem to go hand in hand when you talk about other companies : Power and Quiet. Antec accomplishes this with this power supply. Keep in mind the size of it if you are considering installing it in another case. And make sure you have another bracket for the back of your computer case. It runs quieter than my previous 400W power supply

Experience: 5 Days


High build quality, hefty and quiet
Not as modular as Corsair power supplies
I was looking for a P183 case and found a combo that included this drive - specifically manufactured for several Antec cases including the P183.

Large in size and hefty, it runs very quiet. It's not as modular as the Corsar power supplies (there is still a big bundle of cables coming out that cannot be disconnected) but it's nice to have one specifically designed for Antec cases. Though, if you're not putting it in an Antec case, you may want to look elsewhere.

Experience: 6 Months


very, very well built, dual pcb allows for air to flow clear through from the pwm 120mm fan, long cables, modular, 4 massive 12v rails that provide pure graphics power
According to reviews this thing is almost overbuilt for its price range. It can compete with the signature series which is $100 more. I don't see its size being a weakness because I own the 1200. It fits the 1200 like a glove. All the cables are a perfect length with lots of extras for sli and with dongles, tri-sli. Its massive 12v rails combine for 94 amps and total wattage of 786W!!! The placement of the fan and the design of the dual pcb's allow for excellent cooling and acts as another exhaust fan for your case. Awesome.

Experience: 16 Days


Quiet, Stable
Big! I mean it is huge. Only a few cases can fit this PS.
This is the biggest PS I have ever bought. It is very well build. The power is extremely stable. I have been leaving it on for days. It's very quiet as if I didn't turn my computer on.

Experience: 2 Weeks


Quiet, slient
Long cable fit P182,183,193 case
Only for some Antec cases
Ease scratch paint and poor QC.
It is good and very quiet. Perfect fit those Antec cases.
Cable is long enough.
It QC is poor, my first one fan got ticking noise, 2nd one got deep scratch on the surface. (all unopened, factory sealed) Thanks to NCIX excellent RMA.
My third one still got little chip but fan works well and quiet.

Experience: 1 Weeks


This is a big PSU, but you already knew this, I placed it in its weakness, but it could easily be in its strenghts too. For now its there because of its proprietary nature which can't be a positive point. But if you have a case in which it can fit (one of the 3), then its an amazing product. I read reviews about it delivering super stable power. Its very quiet, I can't hear it in my P183.

Only little point is that there is 1 cable which seems to serve no purpose which is permanently attached, it would have been nice if that cable was detachable like the rest of the "optional" cables.

Experience: 2 Weeks


Big, a modular psu, nice fan
BIG BIG BIG! Make sure you have the 3 cases listed before buying otherwise it won't fit.
i got this for my antec 1200 case. it fits perfectly in there with barely any room from the motherboard.

nice long lines to reach from behind unlike the other psu's reach.

Product Videos [ Edit ]

Features [ Edit | History ]


Antec introduces the next stage in power supply evolution: the CP Series, an entirely new form factor design made exclusively for Antec's most cutting-edge cases, such as the Twelve Hundred, P183 and P193. Delivering an excellent price-to-performance ratio, the CP-850's extended form factor design allows for improved component selection, better circuit board layout, more room between components and a straight-through air path to take full advantage of the large 120mm PWM fan. With 80 PLUS certification and Advanced Hybrid Cable Management, the CP-850 is a cost-effective, high-performance solution for your Antec case. So slide that old power supply to the side; there's a new form factor in town.

Quick Specs:
Efficiency 80%
Input Voltage 110 V AC 220 V AC
Output Power 850 W
Limited Warranty 5 Year
Output Voltage 3.3 V DC @ 24 A 5 V DC @ 30 A 12 V DC @ 22 A 12 V DC @ 25 A -12 V DC @ 600 mA 5 V DC @ 3 A
Weight (Approximate) 7 lb
Form Factor Internal
Country of Origin China
Height 4.7"
Width 6.9"
Depth 7.9"
Number of Fans 1
Environmentally Friendly Yes
Environmental Certification RoHS 80 Plus
NVIDIA SLI Supported Yes
Number of +12V Rails 4

Specifications [ Edit | History ]

General Information  
     Brand Name: Antec
     Manufacturer: Antec, Inc
     Manufacturer Part Number: CP-850
     Manufacturer Website Address: https://www.antec.com
     Product Model: CP-850
     Product Name: CP-850 ATX12V & EPS12V Power Supply
     Product Series: CP
     Product Type: Power Supply
     Plug/Connector: On/Off Switch
     Receptacles: 1 x 24-pin ATX Motherboard
1 x 4-pin ATX12V Motherboard
1 x 8-pin EPS12V Motherboard
2 x 6-pin PCI-E
2 x 6+2pin PCI-E
9 x Serial ATA
9 x 4-pin LP4 Peripheral Device
1 x 4-pin SP4 Floppy Drive
     Additional Information:
  • 4 x +12V rails
  • Safety protection circuitry
  • Uniquely designed to bridge performance and value

     Country of Origin: China
     Environmental Certification: RoHS
80 Plus
     Environmentally Friendly: Yes
Physical Characteristics  
     Depth: 7.90" (200.66 mm)
     Form Factor: Internal
     Height: 4.70" (119.38 mm)
     Weight (Approximate): 3.18 kg
     Width: 6.90" (175.26 mm)
Power Description  
     Input Voltage: 110 V AC
220 V AC
     Input Voltage Range: 100 V AC to 240 V AC
     Input Voltage Type: AC
     Number of +12V Rails: 4
     Output Power: 850 W
     Output Voltage: 3.3 V DC @ 24 A
5 V DC @ 30 A
12 V DC @ 22 A
12 V DC @ 25 A
-12 V DC @ 600 mA
5 V DC @ 3 A
     MTBF: 100000 Hour
Technical Information  
     Efficiency: 80%
     Number of Fans: 1
     NVIDIA SLI Supported: Yes
     Protection Type: Short Circuit
Over Current
Over Voltage
     Specification Compliance: ATX12V/EPS12V
     Limited Warranty: 5 Year

NCIX Forum Messages

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Messages about Antec CP-850 850W Cpx Dual PCB Power Supply Modular ATX12V V2.3 80PLUS Active PFC SLI 120mm Fan

p182 (Nick_H- Apr 19, 10, 13 Replies)
this or Corsair 850HX (Matthew_K- Oct 06, 09, 3 Replies)
Fits in my Tech Station (Dave_B- Sep 09, 09, 0 Replies)
Fan noise (click click noise?) (Elmo- Jun 20, 09, 1 Replies)
BackOrder but yet shows in stock (K4mpF3r- Jun 10, 09, 18 Replies)
What's the point of this? (Merkwürdigeliebe- Jun 03, 09, 7 Replies)

Post a New Message  |    All Messages       Browse NCIX Forums

Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.

Reviews from the Web

Below are reviews found on other web sites for this product submitted by customers.

URL: http://www.silentpcreview.com/article971-page1.html
Comment: It is possibly the most quiet PSU tested, but read carefully to see under what conditions. According to SPCR, it is truly a great piece of hardware.
Posted by: Nicolas_L @08/31/09
URL: http://www.hardwaresecrets.com/article/736/1
Comment: A comprehensive review of this unit, going inside and outside of it. Pushing it beyond its limits at very high temperatures, wow.
Posted by: Nicolas_L @06/23/09
URL: http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story&reid=142
Comment: If the CPX form factor catches on, the CP-850 will be flat out untouchable. It is completely unmatched by any ATX unit on the market I can think of. You'd have to spend twice as much as this thing costs to find the next best thing, performance wise.
Posted by: francesthemutes @05/09/09
Submit a review link   |   Latest 30 reviews

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All Antec computer cases carry a three (3) year warranty from Antec. 

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