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Ahci?!

post #1 of 26
Thread Starter 
Hey,
I just picked up a 750Gb WD black WD7502AAEX. Should I change the SATA mode to AHCI? I earlier had it on IDE. What does this mode do?

Plus I read that the 640 is way faster than the 750 I got! Is there a very huge difference? The difference between the 640 and 750 over here is $1,plus the 640 is out of stock, so I got the 750.

Any tips on how to exploit the potential of this drive?
Thanks
:D
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:D
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post #2 of 26
In a nutshell, the AHCI ("the Advanced Host Controller Interface") provides superior performance. Here are all the details:

http://en.wikipedia.org/wiki/Advance...ller_Interface
It's a computer!
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It's a computer!
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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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post #3 of 26
AHCI is an advanced mode that the hard-drive can use. If you are going to use it, be sure to not install Windows on it while it's on IDE mode. It can conflict with the installation and might not work. It will have to be on AHCI mode before you install Windows and preferably any other programs as well.

For your second question, is there a different RPM speed for the HDD's? That might explain the difference in speed. 5400 RPM is of course slower than 7200 RPM. It's not exponentially faster, but 7200 RPM is faster. Hope that answers your questions.
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post #4 of 26
Thread Starter 
i'm reinstalling windows 7 now, ok so i've set it to ACHI. I read somewhere that the 640GB has two platters and the 750 has three, something to do with it I think?
:D
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:D
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post #5 of 26
It's easy to switch over to AHCI mode from IDE mode after installing Windows.
It's a computer!
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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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post #6 of 26
Thread Starter 
Plus are they black caviars loud when seeking? mine is prety loud. I read over the net about the noise, but some say its normal?!

Is this ok?
:D
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:D
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CPUMotherboardGraphicsRAM
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WD Blue 1TB EZEX X 2 [RAID 0] [WD Black 640GB][2 X WD Blue 1TB EZEX] Corsair H80i Windows 7 64bit 
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post #7 of 26
How loud is loud?
It's a computer!
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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #8 of 26
Thread Starter 
it about the same as the one in this video. At 00:38
:D
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Hard DriveHard DriveCoolingOS
WD Blue 1TB EZEX X 2 [RAID 0] [WD Black 640GB][2 X WD Blue 1TB EZEX] Corsair H80i Windows 7 64bit 
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Dell Ultrasharp 23" Corsair CX430W v2 Corsair Graphite 600T 
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:D
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CPUMotherboardGraphicsRAM
Intel i5 3570K [4.5ghz] Asus P8Z77 V-Pro Asus GTX 760 2X4gb Corsair XMS3 1600mhz 
Hard DriveHard DriveCoolingOS
WD Blue 1TB EZEX X 2 [RAID 0] [WD Black 640GB][2 X WD Blue 1TB EZEX] Corsair H80i Windows 7 64bit 
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Dell Ultrasharp 23" Corsair CX430W v2 Corsair Graphite 600T 
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post #9 of 26
AHCI is pretty much a must to get the best performance out of your drives. Especially the WD Blacks. Also NCQ and other features are big reasons to use AHCI mode.
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Gemini
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2 x Samsung Spinpoint F3R - RAID 1 (1 TB) Western Digital Green EARS (1 TB) Western Digital Green EARS (1.5 TB)  Western Digital My Passport Elite USB 2.0 (640GB) 
Hard DriveOptical DriveOptical DriveCooling
Western Digital My Book Essential USB 3.0 (2 TB) LG GBC-H20L Blu-ray Asus DRW-1814BLT CORSAIR H80 Push/Pull 
CoolingOSMonitorMonitor
Dual 200mm Fans / Dual 120mm Fans Windows 7 Ultimate x64 SP1 Dell UltraSharp U2412M (24") - Primary Dell UltraSharp U2412M (24") - Secondary 
KeyboardPowerCaseMouse
Logitech G510 CORSAIR Enthusiast Series TX750 V2 CORSAIR 650D Logitech G500 
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2x HGST 1TB 7200 RPM HD's RAID 0 MATSHITA BD-RE 6X Windows 8 Pro 64 Bit with Media Center 17.3" 1920x1080 Matte  
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Steelseries  180 Watt A/C and 9 Cell Battery Allant Black Carrying Case for 17.3" Notebook M... Razer Orochi 2013 
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post #10 of 26
Quote:
Originally Posted by chip94 View Post
http://www.youtube.com/watch?v=EBhR91KEAHM
it about the same as the one in this video. At 00:38
Oh. Yeah, that's the way they sound alright!

So yeah, it's normal. However, I've never considered that to be loud.
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
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