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RAID 5 with different model HDD

post #1 of 2
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I'm soon getting a Lian Li ex-50b which I believe is hardware based Raid 5 with Jmicron JM939.

I'm going to be combining Samsung 204UI 2tb drives and WD20EARS 2tb drives.
Both models are 5400rpm, but the EARS has 64mb cache vs 32mb for 204ui.

Will there be any problem using these 2 models in Raid 5, and are the harddrives going to detoriate faster because different models?
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Gaming Rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
I7 5820k Stock clocks Gigabyte X99 UD4 2x EVGA GTX 1080 FE SLI  Corsair 64GB (4x16GB) DDR4 2133MHz CL13 Vengean... 
Hard DriveCoolingOSMonitor
Intel 530 M.2 SSD 180GB OS + Samsung 850 EVO st... Mugen 4 push pull Win 7 64bit home prem Acer 27" XG270HU 144hz TN + LG Oled 4k TV 
PowerCaseMouseMouse Pad
EVGA T2 1600W Fractal XL R2 CM Xornet Steelseries Qck+ 45cm black 
Audio
Sennheiser RS185 wireless headphones 
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post #2 of 2
No, no issues, the raid system doesn't know anything really other than the amount of space available, the cache on the HD is something that the processor onboard the HD controls so everything should work out just fine! Just be aware that it will only be as fast as the slowest hard drives though, although with what it looks like, speed is not the point of this array
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The Laptop
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CPUGraphicsRAMHard Drive
Intel i7 2860QM AMD Radeon HD 6770M Corsair Vengence 1600MHz Samsung 840 Pro 256GB 
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Mac OS X 10.8 1680 x 1050 anti-glare high resolution  
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