Corsair AX1200i 1200W Modular Power Supply

1200W Corsair AX1200i, Full Modular, 80 PLUS Platinum, SLI/CrossFire, Single Rail, 100.4A, 140mm Fan, ATX PSU

Corsair
Scan code: LN46308 Manufacturer code: CP-9020008-UK Request call
£339.98
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review 3xs Approved High End
Free Delivery Delivery options Free By DPD On 21st Nov 2017 DPD Delivered to your specified address. Receive SMS with one-hour delivery window. £4.79 Collect from local shops UPS and DPD Pickup Collect your parcel from your newsagents, petrol stations and convenience stores. Free Collect Instore Q-Collect Place your order online and collect from our Bolton store with Q-Collect. Weekend, timed and European delivery options are available at checkout ScanProtect protection ScanProtect Protect against installation damage for 28 days.More
Frequently Bought Together

AX1200i - Corsair Power Supply - Fully Modular ATX PSU

Corsair AX1200i Power Supply 80PLUS - Platinum

Corsair AXi 1200W Power Supply

This AXi Series power supply from Corsair is revolutionary in the way it is the first desktop PC power supplies to use digital (DSP) control and Corsair Link to bring the best level of monitoring and performance. The AX1200i has a total power output of 1200W, other advantages are that it gives you extremely tight voltage control virtually silent operation, and a fully modular cable set. The 80PLUS Platinum efficiency rating and Zero RPM Fan Mode mean that at low to medium loads, the fan doesn’t spin at all. And when you do push the AXi hard, the thermally controlled fan spins only as fast as it needs to. Even when the fan isn't running the AX1200i has specially selected components to reduce electronic noise for a near silent PSU.

View other AXi power outputs:
AX860i - AX1500i

Fully Modular Connectivity

Connections

AXi Fully Modular Cable Design

The easy to install, fully modular setup on the Corsair AX1200i allows you to combine the low-profile cables provided for a great-looking build. This PSU also comes with Corsair Link Digital for advanced monitoring and control, this allows you to monitor the performance and efficiency, toggle the rail modes and control the fan speed directly, this all combined gives you the best power and efficiency in your power supply.

AX1200i Efficiency & Noise Graphs

AX1200i EFFICIENCY

Efficiency Graph

AX1200i FAN NOISE

Noise Graph

Corsair AX1200i Output Power Chart

Corsair AX1200i Digital ATX Power Supply
AC Input Rating DC Output Rating
AC Input: 100V - 240V DC Output +3.3V +5V +12V -12V +5Vsb
Current: 15A Max Load 30A 30A 100.4A 0.8A 3.5A
Frequency: 50Hz - 60Hz Maximum Combined Wattage 180W 1204.8W 9.6W 17.5W
  Total Power: 1200W

Corsair AX1200i Key Features

80PLUS - Platinum

80 PLUS Platinum CertifiedPlatinum certification ensures high efficiency for less excess heat & lower operating costs.

Zero Fan Mode

Zero RPM Fan ModeFan doesn’t turn on until it’s needed, so you’ll enjoy virtually silent operation at low and medium loads.

Specifications
Size ATX
Edition AX!200I
Wattage 1200 W
80 PLUS Certification 80 PLUS Platinum
Max. Efficiency 92 %
Cooling Fan
Fans 1 x 140mm
Internal +12V Rails Single Rail
Rail 1 +12V 100.4 A
Rail 2 +12V N/A
Rail 3 +12V N/A
Rail 4 +12V N/A
Rail 5 +12V N/A
Rail 6 +12V N/A
Max. Combined Output +12V 100.4 A
Modular Yes
Modularity Full Modular
SLI/CrossFire Yes
EPS 12V Yes
Motherboard Connector 20+4-pin
Connectors
  • 2 x 4+4-pin CPU +12V (EPS)
  • 12 x 4-pin Molex
  • 8 x 6+2-pin PCIe
  • 2 x FDD Power
  • 16 x SATA
Dimensions 150 x 86 x 200 mm (WxHxD)
Package Type Retail
Warranty

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Details
Duration:
120 months
Type:
Return to base
RTB Period:
120 months
Manufacturer Contact Details
Manufacturer:
Scan
Telephone:
0871 472 4747
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Date Issued: 25th Oct 2017

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Reviews
1200W Corsair AX1200i, Full Modular, 80 PLUS Platinum, SLI/CrossFire, Single Rail, 100.4A, 140mm Fan, ATX PSU is rated 4.6 out of 5 by 7.
Rated 4 out of 5 by from Works well This psu has delivered as expected. Quality product. The only issue I had was with the corsair link drivers. The USB dongle driver in its latest version has a bug. The corsair link software couldn't find the psu. Fortunately installing an early version fixed the issue then afterwards the latest version and alls well. Like the link software and really like the quiet performance of the psu.
Date published: 2017-10-09
Rated 5 out of 5 by from The best power supply ever.. Quiet, fully modular, power efficient, great quality.
Date published: 2016-10-12
Rated 3 out of 5 by from A bit underpowered and a real shame about the cables! 5-7 years ago premium PSUs came with good quality cables as standard (remember the Enermax Galaxy?). The individual cables were properly colour coded, used large numbers of small diameter conductors and thin high grade insulation to ensure high flexibility and were properly protected with nylon or textile braid. Then the manufacturers started to use all black cables with thick, cheap insulation leading to very poor flexibility and, as a final insult, eventually joined them all together to form a ribbon cable! I have been purchasing Corsair PSUs since they first appeared on the market place and have used them in over 100 high-end PC builds. However, their standard cables have become increasingly cheap looking, bulky and inflexible to the point where clients, family and friends always insist on aftermarket replacements for their builds. This would be more bearable if their prices were still keen, but the cost of a 1000W PSU has almost doubled in the past 5 years without any major improvements in the quality of other components (I am an Electronics Engineer by trade and I am not impressed by the marketing hype which now permeates this market). I used to run AX1200is in both my main water-cooled PCs, but had to replace the first one when I upgraded to a triple Titan set-up as the 12V rail(s) became unstable past 1088W (Output). I had an almost identical problem when I upgraded to two high end AMD GCs in the other PC when I reached 1104W. Thankfully, the previously purchased Corsair premium AXi cable sets also fitted the 1500AXis. Unfortunately, I needed 2 cable sets per PSU as they lacked sufficient peripheral 4 pin molex leads. Ironically, the manufacturer’s ‘push’ to get enthusiasts to buy better quality aftermarket cables and their availability allowed me to solve this issue quickly and cleanly without having to build my own custom cables. However, a few spare interchangeable (for SATA) 4 pin Molex cables should really be provided as standard given the likely use for any PSU greater than 1000W, especially as many high end systems will be fitted with banks of HD carriers which often use peripheral connectors for power (not forgetting Water-pumps, Fan controllers, RGB LED Controllers, CCL Inverters, Flow Rate Displays, Sound Cards, etc). In fact, I only use one SATA PSU connection (Blu-ray drive) in each of my 6 household PCs, despite them all having 6 -15 HDs. In summary, given the issues I have had with these units when pushed close to their upper limit, I would recommend that serious enthusiasts go straight for the 1500W model and bypass this unit completely. If you are certain that you only need 1200W, I can thoroughly recommend the Seasonic X1250W which served as a stop gap measure in one of the PCs previously mentioned until the AX1500i was available.
Date published: 2016-01-24
Rated 5 out of 5 by from Flawless I could sum this PSU up with one word. Flawless. Scarily efficient! Quiet, cool running and endlessly tweakable profiles. Funning two fairly hungry GPU's (XFX Radeon R9 290x Black ed.) and still only pulling around 600w at full load! Oh and as an added bonus it looks pretty nice too ;)
Date published: 2015-06-26
Rated 5 out of 5 by from What do you expect Corsair never fail to deliver high quality components. The packaging itself is very high end. Easy instuctions, all power cables are braided and in black, which adds to the overall tidyness of the install. For those with old Gen MOBO's ( Asus P5Q-E ect...) be warned that the interface connection might not function as designed but an old LGA 775 board should be replaced soonish before all support and upgrades are obsolete or just insanely expensive ( yes crucial that was aimed at you!!!). Buy this and never buy a PSU again.
Date published: 2014-06-02
Rated 5 out of 5 by from Definitive Power Supply. Very expensive but worth it, it scales excellently, haven't seen it drop below 99% on my low end rig, I bought this as I plan to progressively upgrade and 1200W is more than enough for even the most intensive set ups. Even on full load I don't draw enough power from this to start the fan, recommend to anyone that has or plans to have a high end rig with quietness in mind, the only thing is the price.
Date published: 2014-05-02
Rated 5 out of 5 by from Pricey, but worth every penny! Amazingly this is my first ever modular PSU, so although this is a bit of an expensive one, the reviews i've read make it clear that it is a top PSU. I was not disappointed. Build quality is excellent, definitely the best i've seen in any PSU I've had before (including the likes of Enermax, Coolermaster and previous Corsair units#. Device connectivity is second-to-none, with plenty of each connectors readily available to you, including no less than 16 SATA connectors! No danger of running out of storage options, even with a high-end X79 board you're likely to run out of SATA ports long before you run out of SATA power connectors! Amps are extremely good right across the board, with just over 100 amps on the +12v rail, so this PSU could run tri-SLI GTX 780's effortlessly... and probably tri-SLI GTX 780 Ti's #i'm "only" using dual-SLI GTX 780's). Yes it is expensive for a power supply, but if ever there is a PC component you do not dare cut corners with, it's the PSU. The quality of this unit is plain to see, it's well worth the extra you pay for it.
Date published: 2013-11-12
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Questions & Answers
Corsair AX1200i 1200W Modular Power Supply
Corsair AX1200i 1200W Modular Power Supply