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SSD with Sata III slow speed issue Capt1051
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SSD with Sata III slow speed issue Capt1051
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SSD with Sata III slow speed issue

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SSD with Sata III slow speed issue Empty SSD with Sata III slow speed issue

Message par philubonmat Dim 23 Juil - 15:52

Hello all,

I have an issue with Sata III, I get only 105MB/s write and 207.8 MB/s read
- SATA 6G PCI Express card
- Samsung SSD 850 EVO 250GB.  
- EL Capitan.
- Dell Precision 690

SSD with Sata III slow speed issue Screen_Shot_2017_07_23_at_4_24_48_PM

SSD with Sata III slow speed issue Screen_Shot_2017_07_23_at_4_26_04_PM
Any help will be appreciated
philubonmat
philubonmat

Date d'inscription : 06/06/2017

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SSD with Sata III slow speed issue Empty Re: SSD with Sata III slow speed issue

Message par chris1111 Dim 23 Juil - 15:57

Did you compare with the SATA III in the motherboard port ?
chris1111
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Message par philubonmat Dim 23 Juil - 16:05

Chris,

Sata ports onboard are Sata II. I have 260MB/s. Samsung SSD should have 500MB/s, that why I would like to upgrade SATA III card
philubonmat
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Date d'inscription : 06/06/2017

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Message par chris1111 Dim 23 Juil - 16:41

I just test a Kingston SSD to the SATA 3 Motherboars but this port
Linked negotiated speed: 3 Gigabits

SSD with Sata III slow speed issue Disksp10

SSD with Sata III slow speed issue Captur74
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Message par philubonmat Dim 23 Juil - 17:00

Chris,

Dell Precision has SATA II onboard. I have the approximate speed when connect to onboard SATA. I think Dell Precision does not work good with Sata III 6Gbps card. Mac OSX detect Sata III 6Gbps but the real is Sata I with 1.5Gbps (150MB/s).

SSD with Sata III slow speed issue Screen_Shot_2017_07_23_at_5_51_00_PM
SSD with Sata III slow speed issue Screen_Shot_2017_07_23_at_5_51_42_PM
philubonmat
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Date d'inscription : 06/06/2017

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Message par philubonmat Dim 23 Juil - 17:02

Aslo, I tried to install Windows 10 on it. I had SATA I speed on SATA III card.
philubonmat
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Date d'inscription : 06/06/2017

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Message par chris1111 Dim 23 Juil - 17:17

Yes I remember my Dell Précision is SATA 2
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Message par philubonmat Lun 24 Juil - 8:13

Chris,

I'm using onboard SATA. It better than SATA card
philubonmat
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Date d'inscription : 06/06/2017

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Message par chris1111 Lun 24 Juil - 8:25

philubonmat a écrit:Chris,

I'm using onboard SATA. It better than SATA card
Yes I know but the sata card gives you more port SATA ha26 Thats the gold of the card oui

This sata card is made long time a go for a Old System like Snow Leopard or Lion, the Perf is mutch more better plane
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Message par philubonmat Lun 24 Juil - 9:34

I understand that Sata III with 6Gbps much faster than Onboard Sata. But the speed from that card slower than onboard. Do you have any solution?
philubonmat
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Message par chris1111 Lun 24 Juil - 10:30

No solution
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Message par philubonmat Lun 24 Juil - 15:29

Thank you Sad
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