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2012 MacBook Pro Storage Controller?

post #1 of 21
Thread Starter 
Is it true that the 13 inch 2012 Ivy Bridge MacBook Pro's only have a SATA2 controller?

I've read this in several places...

PS: 100 posts!
    
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post #2 of 21
I doubt it... the Ivy Bridge "Panther Point" chipset supports SATA III. It would be stupid for Apple not to utilize them.
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post #3 of 21
Thread Starter 
Quote:
Originally Posted by tompsonn View Post

I doubt it... the Ivy Bridge "Panther Point" chipset supports SATA III. It would be stupid for Apple not to utilize them.

Yes but the controller is implemented on the motherboard of the computer not on the CPU so theoretically they could.

I've read this is the case on the 13's, I think they do it so you will buy the 15 inch or the retina :-(

Can anyone confirm with reliable links etc...
    
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post #4 of 21
Quote:
Originally Posted by dushan24 View Post

Yes but the controller is implemented on the motherboard of the computer not on the CPU so theoretically they could.
I've read this is the case on the 13's, I think they do it so you will buy the 15 inch or the retina :-(
Can anyone confirm with reliable links etc...

Could you post where you've read this too? I'd like to check it out... smile.gif
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post #5 of 21
Thread Starter 
Quote

"One area of disappointment on the solid state hard drive option was under-clocking. Unlike the new Ivy Bridge MacBook Air, the MacBook Pro bottlenecks the power of the new Ivy Bridge chip with a SATA 2 logicboard interface that is limited to a negotiated link speed of 3 gigabits, while the new MacBook Air is allowed to fly at full 6 gigabit speed."

http://www.allvoices.com/contributed-news/12371841-2012-macbook-pro-13inch-ivy-bridge-release-handson-review

I've seen it somewhere else too...
    
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post #6 of 21
Thread Starter 
Bump,

Very interested on the answer to this

Anyone who has one, please post a screenshot of your system profiler dump.
    
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post #7 of 21
Thread Starter 
Just went into my local Apple store.

Checked a brand new 13 and 15 inch MacBook Pro.

Both had the same mechanical HDD.

13 Inch: 3Gbps negotiated link speed.
15 Inch: 6Gbps negotiated link speed.

On the MacBook Air it's 6Gbps for all models (11 and 13)

According to MacRumours Apple intentionally limit it to "save power" more like encourage you to buy a 15...
    
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post #8 of 21
Quote:
Originally Posted by dushan24 View Post

Just went into my local Apple store.
Checked a brand new 13 and 15 inch MacBook Pro.
Both had the same mechanical HDD.
13 Inch: 3Gbps negotiated link speed.
15 Inch: 6Gbps negotiated link speed.
On the MacBook Air it's 6Gbps for all models (11 and 13)
According to MacRumours Apple intentionally limit it to "save power" more like encourage you to buy a 15...

LOL save power! That's a ridiculous move from Apple IMO... if anything the MacBook air would benefit from saving power (if SATA II actually did save any power that is!!), would it not? Unless you stick an SSD in it, good luck seeing the difference between SATA III and II with a mechanical drive though...
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post #9 of 21
Thread Starter 
Quote:
Originally Posted by tompsonn View Post

LOL save power! That's a ridiculous move from Apple IMO... if anything the MacBook air would benefit from saving power (if SATA II actually did save any power that is!!), would it not? Unless you stick an SSD in it, good luck seeing the difference between SATA III and II with a mechanical drive though...

If I was buying it, I would install an SSD.

I wonder if the controller will revert back to 6Gbps if it sees an SSD, because under the profiler it says link speed is 6 and negotiated speed is 3.

Another question, do the dual-core i7's have hyper-threading enabled? I think not...
    
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post #10 of 21
Quote:
Originally Posted by dushan24 View Post

If I was buying it, I would install an SSD.
I wonder if the controller will revert back to 6Gbps if it sees an SSD, because under the profiler it says link speed is 6 and negotiated speed is 3.
Another question, do the dual-core i7's have hyper-threading enabled? I think not...

As far as I know the 13" i7 model is the 3520M... which does have HT.

http://ark.intel.com/products/64893/Intel-Core-i7-3520M-Processor-%284M-Cache-up-to-3_60-GHz%29

According to this: http://www.everymac.com/systems/apple/macbook_pro/specs/macbook-pro-core-i7-2.9-13-mid-2012-unibody-usb3-specs.html

The interface is SATA 6 Gb/s. The drive must only be SATA 3 Gb/s which would make sense with what you're saying.
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Intel Core i5 2500K (4.5ghz @ 1.320v) Gigabyte Z68X-UD3R-B3 MSI R7970 Lightning Corsair 16GB (4x4GB) 
Hard DriveHard DriveHard DriveHard Drive
Plextor PX-256M5S 256GB Samsung EVO 1TB Hitachi HDS721010CLA332 Hitachi HDS723020BLA642 
Hard DriveHard DriveHard DriveOptical Drive
Hitachi HDS723020BLA642 Hitachi HUA722010CLA330 WDC WD10EARS-00Z5B1 TSSTcorp CDDVDW SH-S223B 
CoolingCoolingOSMonitor
Phanteks PH-TC14PE with TY-140's Lamptron FCv5 (x2) Windows 8 Pro 64-bit Dell U2412M 
MonitorMonitorMonitorKeyboard
Dell U2412M Dell U2212HM Dell U2713HM Topre Realforce 87UB | Ducky DK9087 G2 Pro 
PowerCaseMouseMouse Pad
Corsair AX-750 Corsair Obsidian 650D Logitech G700 XTRAC Ripper XXL 
AudioAudioAudioAudio
Beyerdynamic DT-770 Pro 250ohm Schiit Bifrost DAC Schiit Asgard 2 HiVi Swan M50W 2.1 
CPUMotherboardRAMHard Drive
Intel Xeon E5-2620 Super Micro X9SRL-F-B 64GB 1333MHz 4x WD RE4 1TB on-host (Adaptec 6805E RAID 10) 
Optical DriveOSPowerCase
2x Crucial M500 480GB, 2x WD RE4 500GB on-host ... Windows Server 2012 R2 x64 SeaSonic SS-400FL2 Fractal Define R3 
CPUMotherboardGraphicsRAM
Intel Core i5-3437U HP EliteBook Folio 9470m  Intel HD Graphics 4000  16GB DDR3 SDRAM 
Hard DriveOS
256GB SSD elementaryOS "Luna" 
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