Windows 10 Windows 10 copy speed limits

  • Thread starter Thread starter Unregkiller
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Unregkiller

Hi! My question is about speed limits in windows 10.

My configs:

CPU: AMD Ryzen Threadripper 1950X

MOBO: ASUS X399 ZENITH EXTREME

RAM: G.SKILL TridentZ Series 64GB (4 x 16GB) DDR4 3200 F4-3200C14Q-64GTZ

SSD: RAID0 (2 disks) SAMSUNG 970 EVO M.2 2280 250GB MZ-V7E250BW

System: Windows 10 Pro x64


AS SSD says that raid has 5GB/sec read speed and 3GB/sec write speed.

AIDA64 Cache&Memory Benchmark says that RAM has 98GB/sec read/write/copy speed.


So i created a disk in ram via RamDisk and measured speed by copying one big file between the disks.

Here are results:

RAM>RAM - 1.5 Gigabyte/sec

M.2>M.2 - 1.25 Gigabyte/sec

RAM>M.2 - 1.45 Gigabyte/sec

M.2>RAM - 1.75 Gigabyte/sec

Doesn't matter if to use standard windows copy or to use total commander.


I understand why raid to raid is 1.5GB/s. It's because its write speed 3GB/s is divided by two (read+write,read+write etc).

But what about ram>raid, raid>ram or ram>ram??

Is there any limit in windows?

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