WD30EFRX-68EUZN0 2060-771945-002 REV A 771945-102 AB 771945 WD30EFRX 3.5'' SATA circuit board replacement +FW Western Digital WD repair fix swap PCB circuit board parts donor board replacement burnt controller board green card
WD20EFRX-68EUZN0 - Western Digital Red 2TB 5400RPM SATA 6Gb/s 64MB Cache (RoHS) 3.5-Inch NAS Hard Drive
WD30EFRX-68EUZN0 2060-771945-002 REV A 771945-102 AB 771945 WD30EFRX 3.5'' SATA circuit board replacement +FW Western Digital WD repair fix swap PCB circuit board parts donor board replacement burnt controller board green card