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![Title Image: Improve Surface 4 SSD Performance](https://solariz.de/images/15/speed_run-1502748865.jpg "Title Image: Improve Surface 4 SSD Performance")

After some days with the new Microsoft Surface 4 Pro I'm quite happy with it. One thing bugged me was the poorly SSD Performance. Microsoft use a Samsung M2 SSD with NVMe Protocol, actually a quite fast little thing. But a SSD Benchmark showed me unbelieveable bad performance at the Random Write and Threaded read:

![Surface 4 Pro bad poorly SSD Performance](https://solariz.de/images/15/surface-4-ssd-benchmark-2.png "Surface 4 Pro bad poorly SSD Performance")

0.89 MB/s thats terrible. After a little Research I tried the samsung NVMe Driver instead of the native Win10 one and look at the Improvement:

![Improved SSD Performance Surface 4 pro](https://solariz.de/images/15/ssd-benchmark-surface-4-1.png "Improved SSD Performance Surface 4 pro")

Not bad, eh?

### Performance Comparison

| Category    | Microsoft | SAMSUNG | DIFFERENCE |
| :---------- | :-------- | :------ | :--------- |
| *Seq Read*  | 1135      | 1250    | +115       |
| *Seq Write* | 110       | 252     | +142       |
| *4k Read*   | 36        | 36      | 0          |
| *4k Write*  | 0,89      | 93      | + 92       |
| *4k64 Read* | 451       | 1369    | + 918      |

Get the Samsung NVMe Driver Installer [here](https://www.samsung.com/semiconductor/minisite/ssd/download/consumer-utilities/).

(Scroll Down until you see the Headline: "Samsung NVMe Driver Installer")

## One Sidenote

A current controversial Discussion is the Problematic of the NVMe Driver to cause high System Active States (Battery Drain). In my Case I couldn't reproduce this, but other users on [Reddit](https://www.reddit.com/r/Surface/comments/5f111s/surface_pro_4_battery_drain_issue_after_installing/) found the PCIe0:PR5 Device (The SSD) to stay 100% Awake after the upgrade.

So please try and judge by yourself, this is a Screenshot of the Command: `powercfg /sleepstudy` when the SSD is not causing drain. If you have a red Line with "Unregistered, SB.PCI0.RP05.PXSX" or similar causing a high acive Time you should revert the Driver to Original. To do so simply go to Start > Settings > System > Apps and search for "Samsung NVMe" there you can uninstall it, reboot and you're done.

![Sleep Study Screenshot](https://solariz.de/images/15/sleepstudy.png "Sleep Study Screenshot")