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Power Consumption

Intel SSD DC S3700 Review: Benchmarking Consistency

The SSD DC S3700 is a unique product for Intel. It's the first drive able to operate on both the +5 V and +12 V power rails. When you look at the PCB, you can clearly see the inductors for the power supply circuitry. This gives Intel a lot more flexibility in terms of deployment. 

If there is one thing that hurts the SSD DC S3700, particularly when you consider how it's going to be used, power consumption would be it. As you can see in the table below, the maximum RMS (root mean squared) burst power draw is 8.2 W, while the average is 5.8 W (6 W on the +12 V rail). That's quite a bit more than Intel's SSD 710, which, for the 200 GB model, typically drew 3.5 W. It looks even worse compared tot he SSD 520, which has an active power draw of only 0.85 W.

When you multiply out that additional power use across dozens of drives or more, it may become necessary to keep a rack full of storage on a tighter power budget.

Intel SSD DC S3700
100 GB
200 GB
400 GB
800 GB
+5 V Supply (+12 V Supply)
Active Write: RMS Average
2.8 (2.9) W
4.2 (4.4) W
5.2 (5.4) W
5.8 (6.0) W
Active Write: RMS Burst
3.1 (3.3) W
4.6 (4.8) W
7.7 (7.6) W
8.2 (8.2) W
0.6 (0.8) W

We took a look at the 800 GB model and confirmed that Intel's numbers are correct; this drive is closer to a Hummer than a Prius.

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