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Old Nov 12, 2012, 06:07 PM   #1
bludevil84
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Kingston ssd V+200 sata3 running like sata2

i ve installed a kingston V+200 ssd 120gb sata 3 (6.0gbs) on my mac mini mid 2011 that come with a 6gb sata controller.

followed ifixit step by step...all went smooth....but i cant get the ssd working at the declared speed (450/500 mbs). trim is enabled via trimenabler and connected as only disk to the main flat..but maximum speed is stucked on 145 mbs writing and 195 mbs reading...less then a sata 2 sad.....whats wrong with it?
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Old Nov 12, 2012, 06:35 PM   #2
bogchop
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Go to the system profiler and ensure that link speed/negotiated speed are both 6gbps. Mine controller speed is rated at 6gbps on my 2nd bay, but its only connecting at 3gbps. Supposedly due to bad shielding, which I have no idea how to fix.
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Old Nov 12, 2012, 11:45 PM   #3
bludevil84
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thats what system profiler say about the controller and ssd :

Intel 6 Series Chipset:

Fornitore: Intel
Prodotto: 6 Series Chipset
Velocità collegamento: 6 Gigabit
Descrizione: AHCI Version 1.30 Supported

Capienza: 120,03 GB (120.034.123.776 byte)
Modello: KINGSTON SVP200S37A120G
Revisione: 502ABBF0
Numero di serie: 50026B722A0156EB
Native Command Queuing: Sì
Lunghezza coda: 32
Disco estraibile: No
Unità amovibile: No
Nome BSD: disk0
Tipo supporto: Stato solido
Supporto TRIM: Sì
Nome slot: Lower
Tipo mappa partizione: GPT (GUID Partition Table, Tabella di partizione GUID)
Stato S.M.A.R.T.: Verificato
Volumi:
disk0s1:
Capienza: 209,7 MB (209.715.200 byte)
Nome BSD: disk0s1
Contenuto: EFI
MAC MINI:
Capienza: 119,17 GB (119.174.365.184 byte)
Disponibile: 85,85 GB (85.854.932.992 byte)
Scrivibile: Sì
File System: Journaled HFS+
Nome BSD: disk0s2
Punto di attivazione: /
Contenuto: Apple_HFS
UUID Volume: F509E056-92B5-3257-A859-C9CBA8B44FD6
Recovery HD:
Capienza: 650 MB (650.002.432 byte)
Nome BSD: disk0s3
Contenuto: Apple_Boot
UUID Volume: 2228B37A-4D52-3E25-AF6D-A1E524FDCBC4
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Old Nov 13, 2012, 12:26 AM   #4
surroundfan
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Location: Melbourne, Australia
Quote:
Originally Posted by bludevil84 View Post
i ve installed a kingston V+200 ssd 120gb sata 3 (6.0gbs) on my mac mini mid 2011 that come with a 6gb sata controller.

followed ifixit step by step...all went smooth....but i cant get the ssd working at the declared speed (450/500 mbs). trim is enabled via trimenabler and connected as only disk to the main flat..but maximum speed is stucked on 145 mbs writing and 195 mbs reading...less then a sata 2 sad.....whats wrong with it?
Well, for starters, it's doing real world reading and writing, not reading and writing of a string of zeroes, which is typically used to calculate the 'ZOMG!!!111 100 gajillion mbps speeds' quoted by SSD manufacturers.

Everything looks fine in your profile of the disk. Maybe check whether there's a firmware update.
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Old Nov 13, 2012, 03:23 AM   #5
motrek
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Quote:
Originally Posted by bludevil84 View Post
i ve installed a kingston V+200 ssd 120gb sata 3 (6.0gbs) on my mac mini mid 2011 that come with a 6gb sata controller.

followed ifixit step by step...all went smooth....but i cant get the ssd working at the declared speed (450/500 mbs). trim is enabled via trimenabler and connected as only disk to the main flat..but maximum speed is stucked on 145 mbs writing and 195 mbs reading...less then a sata 2 sad.....whats wrong with it?
Where are you seeing that the drive is supposed to be that fast? I'm looking at it on Newegg and the maximum rated speeds are 300 MB/s read and 190 MB/s write. It's rare to get those maximum speeds with real-world use so your numbers seem close enough that I wouldn't worry about it.
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Old Nov 13, 2012, 01:30 PM   #6
bludevil84
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Quote:
Originally Posted by motrek View Post
Where are you seeing that the drive is supposed to be that fast? I'm looking at it on Newegg and the maximum rated speeds are 300 MB/s read and 190 MB/s write. It's rare to get those maximum speeds with real-world use so your numbers seem close enough that I wouldn't worry about it.

http://www.kingston.com/datasheets/SVP200S37A_us.pdf


and before i bought it i googled to get info and benchmark results with speed up to 400mbs.....
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