This item is for one Western Digital WD5000BMVW-11A
You will get this exact item with these exact details:
Western Digital (6 hrs)
Model: WD5000BMVW-11AMCS2
DCM: EA0TJHN
SN: WXF1E81MDXF4
Date: 15OCT2011
Product of Malaysia
Cap: 500gb
USB
Board number on label: 771761-301 AB
Board number on PCB: 2060-771761-001 REV P1