W2-2 WD20JDRW HDD Head Replacement Tool is available within Western Digital HDD Head Comb Suite.2 platters and 4 heads Example models of WD PCB 810082 SMR HDDs: WD20JDRW-11C7VS0, 810082-000WD20JDRW-11C7VS1, 810082-000 HDD Family: FBLite2
As the CAP and TPI are increasing quickly, pc users get hard drives of bigger and bigger capacity, each platter can hold much more than before. WD20EFAX-xxFB5Nx 2TB, 1 platter 2 heads WD30EFAX-xxJH4Nx 3TB, 2 platters 3 heads WD40EFAX-xxJH4Nx 4TB , 2 platters 4 heads WD40EMAZ-xxTKPBx 4TB, 2 platters .