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My Intel 520 series 60gb ssd is very slow. How to improve the read and write speed?

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January 19, 2014 10:59:09 AM

I have 2 x500gb hdd with a raid mode and i recently both a ssd

I checked everything on the motherboard and ok.
But there is a sata mode called ahci that can improve the ssd speed but i cant choose it because of the raid.
What can i do?

THe storry....


I have a brand new intel 520 series 60gb sata 3.0 ssd and i updated the latest filmware version.
After that i did a full benchmark with crystal disk markt and as ssd benchmark and it said:

Read 320

write 80

OMg the manufacturers original write and read is

read: 550

write 475

OMG its low

I plugged it a sata 3.0 port and i have got sata 3.0 cable

My Motherboard is : Asus maximus IV hero


Thanks for the answears

a c 168 G Storage
a b å Intel
a c 121 K Overclocking
a b Ô Samsung
January 19, 2014 11:08:55 AM

AHCI is a subset of raid, so you should be ok providing you are using the latest Intel raid drivers.
It is the drivers that will pass on the trim command.
That helps update performance and longevity, but not necessarily sequential read performance.
The non raid SSD should be getting the trim command.

If you have attached the ssd to the marvell controllers, that could be your problem.

If your SSD is near full, (90%?)writes/updates will be slow.

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January 19, 2014 12:30:32 PM

geofelt said:
AHCI is a subset of raid, so you should be ok providing you are using the latest Intel raid drivers.
It is the drivers that will pass on the trim command.
That helps update performance and longevity, but not necessarily sequential read performance.
The non raid SSD should be getting the trim command.

If you have attached the ssd to the marvell controllers, that could be your problem.

If your SSD is near full, (90%?)writes/updates will be slow.





Hello thanks for the answear!!

First of all, i installed all intel drivers like rapid storage, smart connector and others.
I inslled the latest asmedia raid driver and i also updated the firmware.
My ssd is over 40gb of 60gb so its not full.
What can i do?:( 
IT's worse

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a c 525 G Storage
a b å Intel
a b Ô Samsung
January 19, 2014 12:58:54 PM

Even though all of your SATA ports are 6Gb/s, connect your SSD to port SATA6G_1 and see if that helps.
See page 1-38 of your motherboard manual for the location of the port.
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