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Cooler Master Real Power 550W SLI 550W ATX Black power supply unit

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The general trademark of a manufacturer by which the consumer knows its products. A manufacturer can have multiple brand names. Some manufacturers license their brand names to other producers.
Cooler Master
Product name:
Product name is a brand's identification of a product, often a model name, but not totally unique as it can include some product variants. Product name is a key part of the Icecat product title on a product data-sheet.
Real Power 550W SLI
Article code :
The brand's unique identifier for a product. Multiple product codes can be mapped to one mother product code if the specifications are identical. We map away wrong codes or sometimes logistic variants.
A power supply unit (PSU) converts mains AC to low-voltage regulated DC power for the internal components of a computer.
power supply units
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only logistic data imported: we have only basic data imported from a supplier, a data-sheet is not yet created by an editor.
created by Cooler Master: a data-sheet is imported from an official source from a manufacturer. But the data-sheet is not yet standardized by an Icecat editor.
created/standardized by Icecat: the data-sheet is created or standardized by an Icecat editor.
Included since: 19 Jan 2007
The date Icecat noticed for the first time that this product was included in the price list of a channel partner
Product views: 18428
This statistic is based on the 75430 using ecommerce sites (eshops, distributors, comparison sites, ecommerce ASPs, purchase systems, etc) daily downloading this Icecat data-sheet since 19-01-07 Only sponsoring brands are included in the free Open Icecat content distribution as used by 73690 free Open Icecat users.
Info modified on: 12 Oct 2017 15:21:35
The date of the most recent change of the data-sheet in Icecat's system
Long product name Cooler Master Real Power 550W SLI 550W ATX Black power supply unit :
The short editorial description of Cooler Master Real Power 550W SLI 550W ATX Black power supply unit

Real Power 550W SLI

Cooler Master Real Power 550W SLI 550W ATX Black power supply unit:
The official marketing text of Cooler Master Real Power 550W SLI 550W ATX Black power supply unit as supplied by the manufacturer
Continue to Real Power 450W's good reputation, Cooler Master releases new Real Power 550W, It follows compliance with the newest Intel standard
ATX 12V V 2.01 and SSI standard EPS 12V V2.1 simultaneously, especially for mini server, or workstation and high-end graphic card system, including output for the new PCI Express VGA Card.

- Compliance with the newest Intel® standard ATX 12V V 2.01
- Compliance with the newest SSI standard EPS 12V V2.1
- Compliance with nVIDIA SLI specification.
- Super silent operation with intelligent fan speed control (< 23dBA)
- Power consumption management by human computer interface (HCI)
- PCI-e connector satisfy high end graphic card requirement
- Support +12V1, +12V2 and + 12V3 outputs for higher power usage
- Green power design to meet energy star and blue angel requirement
- More than 75% efficiency at typical load operation
- Higher reliability (MTBF > 400,000 hours)
- OVP / OCP / OTP / OLP / Short / Full protection
- Active power factor correction (PF > 0.99)
- Real power capacity satisfy high-end system operation
Short summary description Cooler Master Real Power 550W SLI 550W ATX Black power supply unit:
This short summary of the Cooler Master Real Power 550W SLI 550W ATX Black power supply unit data-sheet is auto-generated and uses the product title and the first six key specs.
Cooler Master Real Power 550W SLI, 550 W, 4.72" (12 cm), ATX, 20 dB, 400000 h, Black
Long summary description Cooler Master Real Power 550W SLI 550W ATX Black power supply unit :

Cooler Master Real Power 550W SLI. Total power: 550 W. Fan diameter: 4.72" (12 cm). Power supply unit (PSU) form factor: ATX, Noise level: 20 dB, Mean time between failures (MTBF): 400000 h. Color of product: Black. Safety: Nemko, TUV, cUL, CE, CNS

This is an auto-generated long summary of Cooler Master Real Power 550W SLI 550W ATX Black power supply unit based on the first three specs of the first five spec groups.
Total power *
550 W
Fan diameter *
4.72" (12 cm)
Ports & interfaces
Peripheral (Molex) power connectors (4-pin) *
Number of SATA power connectors
PCI Express power connectors (6-pin)
ATX Power connector (24-pin)
Floppy drive power connector
Power supply unit (PSU) form factor *
Noise level *
20 dB
Mean time between failures (MTBF)
400000 h
Color of product *
Operational conditions
Operating temperature (T-T)
0 - 40 °C
Storage temperature (T-T)
5 - 50 °C
Operating relative humidity (H-H)
0 - 90%
Nemko, TUV, cUL, CE, CNS
Other features
Dimensions (WxDxH)
5.51 x 5.91 x 3.39" (140 x 150 x 86 mm)
Maximum current
10 A
Power rocker switch
Source Testseek summary Average rating
Testseek has collected 7 expert reviews for Cooler Master Real Power 550W SLI and the average expert rating is 73 of 100. The average score reflects the expert community’s view on this product. Click below and use Testseek to see all ratings, product awards and conclusions.
Source Review comments Score
Cooler Master has engineered a great PSU which has a PCI-Express Power connector and can supply 12V from three rails. Most PSUs have only one or two. For the visual aspect there is a Watt Viewer which goes into a drive bay and automatically displays th...
Good Three 12V rails, PCIE power connector, 24 Pin ATX, 20 pin adapter included, EPS and Workstation connector, Watts Viewer, Nice black finish...
Bad Cables not sleeved, Takes fingerprints, A bit loud, 12V line could be more stable...
Bottom line Cooler Master has engineered a nice PSU with a load of extra features. The Power Consumption readout is a nice gimmick for your case, especially if you are into case modding and want to add a custom touch to your system.Three 12V rails make sure that y...
Date 2006-02-25Provider: CoolermasterAuthor: BigManEditor: Princess AmmieCoolermaster Realpower 550w ACLY SLIWe reviewed a similar power supply in the past from Coolermaster with pretty much the same features and specifications, you can find the previo...
Good Well packed, Nice looking, Quality, SLI, Crossfire ready...
Bad No sleeving, Unstable voltages...
Bottom line Its a dissapointment to me that a PSU with three 12v rails cannot perform as well as the older versione of the same PSU. The voltages are not as stable as with the older system which I find odd, why change something that so good? I think that there ar...
Coolermasters first Real-Power Power Supply was well received almost 2 years ago, with its 450 Watt rating it could be used in high end system without problem. Now that SLI and Crossfire has come along the 450Watt rating might not be suffi...
The latest power supply to grace the offices of Neoseeker, is the SLI ready Cooler Master RS-550-ACLY. This is an update to the previous RS-450-ACLY power supply in Cooler Masters current Real Power PSU line. Featuring ultra silent operation with a...
Bottom line Final Thoughts: Cooler Master has come out with an update to the RS-450-ACLY. Boasting 550W of power and an updated feature set, the RS-550-ACLY is poised to take over the top spot in Cooler Masters Real Power lineup. Tests were taken with a P4 3.6G...
To follow up on the success of the Real Power 450W PSU, Cooler Master has released the new Real Power 550W SLI. It complies with both the Intel standard ATX 12V V 2.01 and SSI standard EPS 12V V2.1. They recommend the Real Power 550W as a viable soluti...
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