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Question on SATA 3

post #1 of 4
Thread Starter 
im new to SATA 3 and SATA configuration and i want to know the proper setting on BIOS. should i configure my sata mode into AHCI or IDE Mode? how can i maximize the SATA 3(6Gb/s)? my sata 3 is a western digital caviar blue 500GB SATA 3 which is connected to a sata 3 port on my board.
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KM
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KTechDev
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500GB WD Caviar Blue SATA 3.0 Samsung 22x SH-S222/223 Sata Noctua NH-D14 Windows 7 Ultimate 64bit 
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21.5 Samsung LED Monitor Corsair GS800W Thermaltake Armor A60 
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post #2 of 4
Choosing AHCI over IDE will not give you any speed boost but what it will do is unlock the advanced features that are available with a drive that connects via a SATA interface rather than an IDE interface.

I would configure your drive to be in AHCI mode. Your speed should be maximized already just by plugging it into a SATA3 port but one thing to keep in mind is that mechanical hard drives are not even able to fully saturate the bandwidth of SATA2 so any drive that claims it is SATA3 capable is not really being completely honest. It is more marketing speak than anything in terms of performance gains.
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post #3 of 4
Thread Starter 
thanks for the input. so to speak, i need SSD to completely utilize the 6Gb/s? hmm
KM
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KTechDev
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CPUMotherboardGraphicsRAM
AMD FX 6100 Asrock 990FX Extreme 4 Powercolor 7870 2GB Gskill RipjawX 1600 CL9D 8GB 
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500GB WD Caviar Blue SATA 3.0 Samsung 22x SH-S222/223 Sata Noctua NH-D14 Windows 7 Ultimate 64bit 
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21.5 Samsung LED Monitor Corsair GS800W Thermaltake Armor A60 
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KM
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KTechDev
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CPUMotherboardGraphicsRAM
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Hard DriveOptical DriveCoolingOS
500GB WD Caviar Blue SATA 3.0 Samsung 22x SH-S222/223 Sata Noctua NH-D14 Windows 7 Ultimate 64bit 
MonitorPowerCase
21.5 Samsung LED Monitor Corsair GS800W Thermaltake Armor A60 
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post #4 of 4
Quote:
Originally Posted by kelvintheiah View Post
thanks for the input. so to speak, i need SSD to completely utilize the 6Gb/s? hmm
Only very fast SSDs can fully utilize SATA3's bandwidth.

One somewhat unknown benefit of AHCI mode is decreased CPU usage. I've seen IDE mode eat 30% CPU on a quadcore when benchmarking - but flip to AHCI and that drops to under 3%. HUGE difference. That is probably noticeable in games and stuff. Even through your drive's speed didn't go up, your CPU has an easier time due to better written AHCI drivers.
     
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CPUMotherboardGraphicsRAM
FX-8350 @ 4.6ghz 1.425v Sabertooth 990FX Zotac GTX 1070 Amp! 32GB (4x8GB) Kingston Fury 1866mhz CL10 1T 1.5v 
Hard DriveHard DriveHard DriveHard Drive
Hitachi 2TB - HDS723020BLA64 Crucial M500 960GB - CT960M500SSD1 WD 4TB Black - WD4001FAEX WD 4TB Black - WD4001FAEX 
Hard DriveHard DriveHard DriveHard Drive
Seagate 2TB - ST2000DM001 WD 640GB Black - WD6401AALS Seagate 6TB - ST6000DM001 Micron M500 - MTFDDAK480MAV 
Optical DriveOptical DriveOptical DriveOptical Drive
Pioneer DVR-115DBK Samsung SH-S243D/BEBE LG GH22NS90 Lite-On EBAU108 External DVD 
CoolingCoolingCoolingOS
Noctua NH-D15 Fractal Design 140mm Fan - FD-FAN-140 Fractal Design 120mm Fan - FD-FAN-120 Windows 7 
OSMonitorMonitorKeyboard
Ubuntu 14.04 LTS Samsung 2343BWX 23" (2048x1152) BenQ GW2765HT 27" IPS LCD Monitor (2560x1440) Genius Keyboard KB-G235 PA 
PowerCaseMouseMouse Pad
Seasonic Platinum 1000w PSU - SS-1000XP Fractal Design Define R5 Steelseries Rival 6500 dcpi Mousepad + Desk 
AudioAudioOtherOther
Onboard Realtek® ALC 892 Cyber Acoustics CA-2992 2.0 Speakers Razer Krait 1600 DPI nGear G-C1601 Card Reader 
OtherOther
Pisen Card Reader Gigabyte M7 Thor 
CPUMotherboardGraphicsRAM
VIA Eden C7 1200mhz Jetway J7F4K1G2ES-LF VIA Onboard 512MB PC2-4200 
Hard DriveOptical DriveCoolingOS
A-Data FlashDrive None Fanless Linux 
MonitorKeyboardPowerCase
Headless None 65w Power Brick Antec ISK300-65 
MouseAudio
None Onboard VIA 
CPUMotherboardGraphicsRAM
Barton XP-M 2400+ FJQ4C Asus A7N8X-E Deluxe 256MB BFG 7800GS OC 2x512MB Samsung PC3200 
Hard DriveOSMonitorKeyboard
Raptor 74GB/Seagate 120GB Windows 2000 Pro 60hz 17" CRT Brandless PS2 Keyboard 
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