Slow speed on OMV5 Samba Share

Hi there,

I've setup openmediavault on my raspberry pi 4 2gb. Currently, it works fine except for the fact that I'm getting comparatively slow speeds on samba. I've included a picture of a speedtest where I only get around a 44MB/s write and 55MB/s read.

Here is what my current Samba extra options looks like:

socket options = TCP_NODELAY SO_RCVBUF=65536 SO_SNDBUF=65536
min receivefile size = 2048
use sendfile = true
aio read size = 2048
aio write size = 2048
write cache size = 1024000
read raw = yes
write raw = yes
getwd cache = yes
oplocks = yes
max xmit = 32768
dead time = 15
large readwrite = yes
protocol = SMB3
acl allow execute always = yes

I'm using this NAS to store my steam games, as I don't have much space on my pc's drive, so speed is pretty important to me. Doing a speedtest of the drives on the actual NAS system tells me that the drives are capable of >100MB/s speeds. I'm using 2x2TB Seagate Barracuda 7200RPM running in raid 0 [amazon link], and my raspberry pi is connected to my gigabit capable router through CAT6 cables. I'm accessing the NAS through ethernet.

How would I improve the speed of my NAS through SMB? Is there any other way I could access my NAS that would be faster?

Thanks

EDIT: I know my pi isn't the bottleneck, because when copying files none of the cpu cores are maxed out, and I have around 1GB of memory free. I've also overclocked the cpu to 2GHz and it never thermal throttles.