WD Red 4TB HDD
The WD Red was delivered in it bare form. Capacity at the top is listed at 4TB, with a manufacture date of August 11th 2013.
The back of the drive houses a green PCB, standard SATA connections at the bottom.
The SATA power and data connections are placed in position for wide compatibility.
Removing the PCB, we find a set of pins at the bottom for the heads, while the spindle carries a set of gold contacts.
The PCB houses the 64MB DRAM cache manufactured by SK-Hynix. The drives controller is manufactured by Marvell with the model number 88i9446. To the right you will find the spindle motor controller.