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Best Allocation Unit Size for exfat?

post #1 of 3
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I formatted my 32 gig Sandisk Cruzer to exfat and I saw something called Allocation Unit Size. There were many sizes and I want to know which is the best?
    
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CPUMotherboardGraphicsRAM
AMD FX-8350 Gigabyte 990FXA-UD3 AMD R9 280x 8 Gigabytes of something 
Hard DriveOptical DriveOSMonitor
Quite a few Plextor DVDRW PX-88 Windows 7 Ultimate X64 (2x)LG Flatron E2350v 
KeyboardPowerCaseMouse
Dynex Corsair GS700 Coolermaster HAF X Steelseries Sensei Raw 
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post #2 of 3
What type of files do you plan to store on the drive?

If you plan to do an excess of 4GB files then larger unit size = better performance.

Though generally it's just better to leave it at default.
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Test Bed
(24 items)
 
TTTbox
(15 items)
 
 
CPUMotherboardGraphicsRAM
Core i5 3570K  Biostar TZ774XE Power Color AX5770 1GB 4x4GB 1866Mhz 9-10-9-27-2T 
Hard DriveHard DriveHard DriveHard Drive
Samsung Spinpoint F3 1TB Samsung Spinpoint F3 1TB Western Digital Green 2TB Samsung Spinpoint M4 500GB 
Hard DriveOptical DriveCoolingOS
Intel X-25M G2 80GB Lite-On BluRay Drive Arctic Cooling Freezer 13 Pro Windows 7 Ultimate 
MonitorKeyboardPowerCase
Dell U2212HM Deck Legend Frost Tactile Silverstone Strider Plus 750w Custom Acrylic Test Bed 
MouseMouse PadAudioAudio
Logitech G500 Cooler Master Storm Tactics FPS Beyer Dynamics DT-990 600ohm Samson MediaOne 3A 
AudioAudioOtherOther
FiiO E09k QOGIR FiiO E17 ALPEN Microsoft Lifecam Studio Blue Yeti Pro Microphone 
CPUMotherboardGraphicsRAM
AMD A10-A5800K ASRock FM2A85X-ITX Radeon HD7770 1GB 2x8GB 1866mhz C9 
Hard DriveHard DriveOptical DriveCooling
SanDisk Ultra Plus 128GB 2TB 5400 RPM  24x DVD Drive Noctua L9A 
OSMonitorKeyboardPower
Windows 7 Home Premium 32" IPS TV Logitech K400 Seasonic G360 
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post #3 of 3
Quote:
Originally Posted by Tator Tot;11970327 
What type of files do you plan to store on the drive?

If you plan to do an excess of 4GB files then larger unit size = better performance.

Though generally it's just better to leave it at default.

This. You need to think about what you want to do with the drive before you can know what the best setting will be. If there was a single 'best' setting then MS wouldn't bother giving you a choice.
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