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Author Topic: SSD v Hybrid v HDD [Solved Pt2)  (Read 4132 times)

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Offline rmcellig

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Re: SSD v Hybrid v HDD [Solved Pt2)
« Reply #15 on: November 28, 2015, 08:27:05 am »
I have three laptops I would love to install a SSD drive into. My Thinkpad T60, Dell Inspiron 1520 and HP DV6. Which drive and size would you recommend? I guess I can save my user files and data to an external USB HDD?

Offline PCNetSpec

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Re: SSD v Hybrid v HDD [Solved Pt2)
« Reply #16 on: November 28, 2015, 08:49:19 am »
Personally I'd always go for a Samsung 850 PRO (256GB upwards) .. not only is it the fastest consumer SSD at the moment, but it's the longest lasting.
(must be the PRO .. The standard 850 EVO seems to have some limits imposed by the controller)

I'm reading some weird stuff about the T60 and it's capped SATA, so it might be useful if you could post the output from these 3 commands for each of your PC's
Code: [Select]
dmesg | grep -i sata | grep 'link up'
and
Code: [Select]
dmesg | grep -i  ahci | grep -i --color Gbps
and
Code: [Select]
smartctl -a /dev/sda | grep "^SATA"
(that last command might require you to install smartmontools)

Then we should be able to advise on whether you'll see a worthwhile speed increase.

Speed isn't the only reason to use a use an SSD, there's also extended battery life, and resilience against damage .. but there may be no point in spending the extra for a "fast" SSD if the SATA version is going to limit its speed anyway ;)
« Last Edit: November 28, 2015, 08:51:20 am by PCNetSpec »
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Offline rmcellig

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Re: SSD v Hybrid v HDD [Solved Pt2)
« Reply #17 on: November 28, 2015, 08:55:49 am »
I forgot that all three laptops are stationary. They stay at home. I don't take them out at all.

Offline rmcellig

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Re: SSD v Hybrid v HDD [Solved Pt2)
« Reply #18 on: November 28, 2015, 09:00:33 am »
My Thinkpad T60

Code: [Select]
randy@t60pepp ~ $ dmesg | grep -i sata | grep 'link up'
[    2.600070] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 300)

randy@t60pepp ~ $ dmesg | grep -i  ahci | grep -i --color Gbps
[    2.056441] ahci 0000:00:1f.2: AHCI 0001.0100 32 slots 4 ports 1.5 Gbps 0x1 impl SATA mode


randy@t60pepp ~ $ smartctl -a /dev/sda | grep "^SATA"
randy@t60pepp ~ $




Offline rmcellig

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Re: SSD v Hybrid v HDD [Solved Pt2)
« Reply #19 on: November 28, 2015, 09:04:21 am »
My Dell Inspiron 1520

Code: [Select]
randy@dell1520 ~ $ dmesg | grep -i sata | grep 'link up'
[    1.920122] ata3.00: SATA link up 3.0 Gbps (SStatus 123 SControl 300)

randy@dell1520 ~ $ dmesg | grep -i  ahci | grep -i --color Gbps
randy@dell1520 ~ $

randy@dell1520 ~ $ smartctl -a /dev/sda | grep "^SATA"
randy@dell1520 ~ $








Offline PCNetSpec

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Re: SSD v Hybrid v HDD [Solved Pt2)
« Reply #20 on: November 28, 2015, 02:46:55 pm »
sorry:
Code: [Select]
smartctl -a /dev/sda | grep "^SATA"
should have read:
Code: [Select]
sudo smartctl -a /dev/sda | grep "^SATA"

I doubt if you'll notice much of a difference on the T60, it only has 1.5Gbps SATA

You'll notice a performance improvement on the Inspiron, but not a massive one .. it'll definitely feel a bit "snappier" though.

The biggest improvement come via SATA-3, where the 6Gbps bandwidth shows SSD's at their best



Unless you're on a SATA-3 connection you may as well skip the 850 PRO, save yourself some money,  and go for something like the 850 EVO (or 840 EVO if you can still find one).

That said, there's still the longevity of the 850 PRO .. it can always be used in a faster PC later ;)
« Last Edit: November 28, 2015, 02:50:56 pm by PCNetSpec »
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Offline rmcellig

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Re: SSD v Hybrid v HDD [Solved Pt2)
« Reply #21 on: November 28, 2015, 03:49:13 pm »
I'm wondering if a lighter distro might help. There are times that my T60 gets really slow so maybe a RAM based distro like Puppy Linux might make a difference? Thoughts?

Offline PCNetSpec

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Re: SSD v Hybrid v HDD [Solved Pt2)
« Reply #22 on: November 28, 2015, 04:25:22 pm »
Would be nice to get the outputs from:
Code: [Select]
sudo smartctl -a /dev/sda | grep "^SATA"
as it might be that the T60 is capable of 3.0Gbps, but is being throttled to 1.5Gbps

Sure, Puppy might be quicker (it certainly sidesteps any SATA bottleneck) .. give it a shot, can't hurt to try right ? ;)
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Offline rmcellig

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Re: SSD v Hybrid v HDD [Solved Pt2)
« Reply #23 on: November 28, 2015, 04:48:47 pm »
Would be nice to get the outputs from:
Code: [Select]
sudo smartctl -a /dev/sda | grep "^SATA"


I don't get anything when I run this. This is all I get:

Code: [Select]
randy@t60pepp ~ $ sudo smartctl -a /dev/sda | grep "^SATA"
[sudo] password for randy:
randy@t60pepp ~ $