Hitachi 500GB 2.5" SATA HDD 0J15361 Apple 655-1683A 39Y8473 It also uses CAT-iq technology

It also uses CAT-iq technology that provides advanced wideband audio and HD voice quality

P9 Plus(VIE-AL10)

and Dual Compandor circuitry which processes high and low frequency signal separately resulting in superior audio quality

Model Manufacturer Hitachi Manufacturer Part # 0J37165 Product Line Travelstar Product Series Z5K500 Performance Product Type Internal Hard Drive Form Factor 2

Pro 3/4/5/6/7/X/8

Hitachi 500GB 2.5" SATA HDD 0J15361 Apple 655-1683A 39Y8473 It also uses CAT-iq technologyRefurbished Unit. Excellent working condition. No bad sectors. Model Manufacturer Hitachi Manufacturer Part # 0J15361 Product Line Travelstar Product Series 5K750 Performance Product Type Internal Hard Drive Form Factor 2. 5 inch Capacity 500 GB Cache 8 MB Spindle Speed 5400 RPM Average Seek Time 12 ms Drive Interface Type SATA 3. 0 Gbps