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Nesteq EECS 700 Watt Ultra Quiet Power Supply
Author: Jason Kohrs
Manufacturer: Nesteq
Source: Quiet PC USA
Purchase: Quiet PC USA
Comment or Question: Post Here
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Nesteq EECS 700 Watt Ultra Quiet Power Supply
April 22, 2008

Quiet PC USA is a supplier of high quality computer hardware with an emphasis on low noise operation that has been sponsoring reviews at since we first got going 5 years ago. From cases to coolers, and accessories of all kinds, they always have something new and interesting to check out. This time around they have sent over a power supply that incorporates a few interesting features, and of course near silent operation, that make it worthy of being stocked at a place called Quiet PC.

The power supply in question is the Nesteq EECS 700 Watt ultra quiet power supply (model ECS-7001), and it is shown in the promotional image below.

Prior to this review, I have to admit that I was unfamiliar with Nesteq. Visiting their website reveals that they are a fairly young German company that describes itself as having a "focus on high-end industrial design and hi-performance power supply manufacturing". Their current product line up is rather small, with a handful of power supplies and a few hard drive related accessories. The 700W unit provided for review is from their EECS (Enhanced Easy Connecting System) series which offers extremely low noise operation in addition to desirable features like a modular design, 80 Plus efficiency, and four 6+2 pin PCI Express connectors.

Before taking a look at the Nesteq EECS 700 Watt ultra quiet power supply and its unique approach to modular cabling, let's take a look at some of the published data on it, as taken from the product page on the Quiet PC USA website.


Model number: ECS-7001
ATX12V Version: 2.2
+3.3V maximum output current: 24 A
+5V maximum output current: 30 A
+12V1 maximum output current: 16 A
+12V2 maximum output current: 16 A
+12V3 maximum output current: 16 A
+12V4 maximum output current: 16 A
+12V combined power: 54 A
Combined maximum output +3.3V / +5V: 150 W
Fan speed control: Automatic
Acoustic noise level: 28 db(A) Max, 19 db(A) under normal load
Dimensions: 86 x 150 x 160 mm
+5VSB maximum standby current: 3 A
Mains input voltage: 90-264 VAC, 47-63 Hz
ATX12V 4-pin support: Yes
EPS12V 8-pin support: Yes
20+4 pin ATX connector: Yes
PCI-E support (6+2 pin): Yes (x4)
Mains input voltage selection: Auto
Remote power on / off: Yes
Number of floppy drive connectors: 2
Number of hard drive connectors: 10
SATA connectors: 10
Over voltage protection: Yes, on all outputs
Short circuit protection: Yes, on all outputs
Safety approvals: RoHS, CE, TUV, FCC
Monitor pass-through power socket: No
Master power on/off switch: Yes
Length of motherboard power cable: 45 cm (approx)

All of the basics are provided above, and one thing that caught my eye was that each of the four 12V rails is rated for just 16A. This should be enough for most users, but some high end components may draw up to 20A (or more), which could result in over-current shutdowns. There are four 6+2 pin PCI Express graphics card connections, but users should not consider that as an indication of SLI or Crossfire certification. While you can physically connect multiple graphics cards, whether they will work well is another question that I hope to resolve in this review.

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