That is to say you can't just do what allot of stupid caching software does, and claim that all this data that was saved in RAM has been committed to disk, it's just a recipe for data corruption disaster! So to say that the "issue" is fixed without Samsung either cheating via firmware or adding power failure capacitors to the drive would be insane, hence why I said that before.
#WINDOWS 7 X64 DRIVERS FOR SAMSUNG SM951 SSD UPDATE#
The use of this command is to insure that an important write actually arrives on the disk, for example a journal update in the NTFS filesystem.
The Microsoft driver seems to be the worst, offering the lowest 4K performance in the latest operating system.Ĭlick to expand.I feel after all of this an explanation of exactly what FUA is for is required, because it seems some members have a very strange opinion on it.įorce Unit Access is a command that software can invoke to force a write to be committed to disk and not just in volatile memory which is the default case. Very depressing 4K performance and latency as you can see in Windows releases after Win7. Microsoft stornvme.sys driver Server 2016 Essentials Technical Preview 3 圆4 Open Fabrics nvme.sys driver version 1.4 Windows 10 RTM 圆4 (Using Win8.1 圆4 driver) Microsoft stornvme.sys driver Windows 10 RTM 圆4 Open Fabrics nvme.sys driver version 1.4 Windows 8.1 Update 圆4 Microsoft stornvme.sys driver Windows 8.1 Update 圆4 Open Fabrics nvme.sys driver version 1.4 ( Lacks TRIM support in Win7 SP1 圆4)Īnd for completeness sake here follows numbers for the newer Windows versions:
Microsoft stornvme.sys driver, this is the KB2990941 driver for Win7 SP1 圆4 Click to expand.I thought the same but I just tried it on a Asrock X99 Extreme4/3.1 system with a SM951 NVMe 512GB and Intel 5820K, below are the results:įor these tests Speedstep & CPU integrated VR efficiency were disabled in the BIOS, and C3, C6 CPU & package states were enabled.
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