3.5" Hard Drive
AssemblyA 3.5" SATA hard disk: a sealed head-disk assembly plus its controller PCB. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for 3.5" Hard Drive
6 top-level lines as of r113745| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Disk Platter | nas-server-hdd-platter | 3× | 3 | · | part |
| 2 | Spindle Motor | nas-server-spindle-motor | 1× | 1 | · | part |
| 3 | Voice-Coil Actuator | nas-server-actuator | 1× | 1 | · | part |
| 4 | Read/Write Head | nas-server-read-write-head | 6× | 6 | · | part |
| 5 | Drive Controller PCB 3 parts | nas-server-hdd-pcb | 1× | 1 | 0 | assembly |
| 6 | HDA Casting & Cover | nas-server-hdd-casting | 1× | 1 | · | part |