Advice regarding hdd setup, and ahci.

Apr 22, 2018
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Hi, This might seem like a long shot, but here goes.

I'm running Win10 pro on an i7 930 in an asus P6X58D-E mobo. My boot drive is a Sandisk SSD Ultra 128GB, and i have a Seagate Barracuda 2Tb HDD, both populating the only two 6Gbps ports i have.(Marvell controller, im guessing)

Recently i bought a 4TB Barracuda (5400rpm).
I do a bit of gaming on my device.

My questions are thus-
1.Will the newer hdd be better for gaming, considering it has a lower rpm, but larger cache?
2. If not, does it still make sense to shift the newer hdd to one of the 6Gbps ports?

3. I recently discovered that ive been running my setup in IDE mode. Will it make sense to change over to ahci, considering im going to have 1 ssd+1hdd in sata 3, and another hdd in the older sata 2 port?
 
Solution
1.If your Seagate 2tb drive has 7200 rpm than that would be faster.

2. No you can let the newer drive on the SATA II... it will be far from saturating 3 GB/s. Only your SSD can saturate SATA II speeds.

3. AHCI is faster but switching to it when you have a SSD as your boot drive is dangerous. If something goes wrong you can loose your DATA. Also you can't switch to AHCI through BIOS (it will give you a BSOD when booting: INACCESSIBLE_BOOT_DEVICE), you have to change it through windows. I won't recommend it since it's risky.
1.If your Seagate 2tb drive has 7200 rpm than that would be faster.

2. No you can let the newer drive on the SATA II... it will be far from saturating 3 GB/s. Only your SSD can saturate SATA II speeds.

3. AHCI is faster but switching to it when you have a SSD as your boot drive is dangerous. If something goes wrong you can loose your DATA. Also you can't switch to AHCI through BIOS (it will give you a BSOD when booting: INACCESSIBLE_BOOT_DEVICE), you have to change it through windows. I won't recommend it since it's risky.
 
Solution