Samsung 845DC EVO SSD Review: 3-Bit MLC Hits The Enterprise

Results: Power Consumption

In our Micron M500DC review, we detailed our new power consumption testing. In short, we apply varying workloads to the SSD we'r benchmarking and then measure the current draw using a high-resolution, high-precision industrial power source. Using this hardware, we can achieve millisecond resolution for our power measurements, allowing us to observe even slight changes in consumption.

As you can see from our power profile, Samsung's 845DC EVO does not pull down much power under our workloads. Even during random writes, the maximum power draw we observed was right at 3 W.

If you are looking for a drive that has a low active idle, this probably isn't the drive for you (even though our measurements come in under the 1.5 W specified by Samsung's datasheet).

Overall, the 845DC EVO posts some of the lowest power levels in the field, bested only by its sibling, the SM843. Hopefully this helps make up for higher idle consumption, especially since enterprise-oriented SSDs typically have a much higher duty cycle than consumer SSDs.

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  • SteelCity1981
    So basicly it's the more durable version of the 840 evo much like opertons and xeons are to the FX and core i7 series.
    3
  • Plusthinking Iq
    like we know now after the ssd endurance test samsung is the worst enterprise candidate.
    -8
  • drewriley
    Anonymous said:
    So basicly it's the more durable version of the 840 evo much like opertons and xeons are to the FX and core i7 series.


    Yes, that's a fair analogy. Just like the Xeon E3-1275v3 is an i7-4770K, but with ECC support.
    3
  • damric
    I've yet to see an SSD fail due to read/write endurance. I only see them fail when the controller gets bugged, which seems to happen all the time, especially on loss of power.
    2
  • soundping
    I'm guessing this SSD doesn't have to new firmware code that extends life and speed.
    0
  • jase240
    Another win for the EVO. This SSD modified for enterprise workloads makes it a good buy for webservers.

    Hopefully the price will go down after launch, and then I see this being the best choice of webhosts.

    Cheaper and adequate for that workload.
    0
  • Nightmare Twily
    Eh I'll keep my 840 EVO 250GB
    0
  • Nuckles_56
    "Even still, I wand to commend Samsung's execution." (last page 1st paragraph) I guess that is supposed to be want, unless Drew Riley has become a wizard now :D
    0
  • Menigmand
    Commending their execution would be a bit harsh, don't you think?
    0
  • drewriley
    Anonymous said:
    Commending their execution would be a bit harsh, don't you think?


    I'm sure worse things were said about Samsung at WWDC '14 yesterday ;)
    0
  • drewriley
    Anonymous said:
    "Even still, I wand to commend Samsung's execution." (last page 1st paragraph) I guess that is supposed to be want, unless Drew Riley has become a wizard now :D


    Now that you mention it.....
    0
  • eriko
    4KB random write, and average response time.

    Nuff said.

    You'd have to be out your mind to put TLC in a a critical environment.
    -1
  • patrick47018
    @eriko everyone's critical environments need a little tender loving care
    1
  • photonboy
    The 845dc isn't necessarily the "worst enterprise candidate"; for one thing it wasn't the bottom in every test.

    For another, it's more about VALUE and that's the main point of the article. I assume the top SSD's in this category were MLC not TLC and also more expensive.
    1