This item is for one Western Digital WD WD5003ABYX-23W
You will get this exact item with these exact details:
Western Digital
Model: WD5003ABYX-23WERA0
SN: WMAYP7104628
DCM: HHRNHTJCG
Date: 20 NOV 2013
Product of Malaysia
Cap: 500gb
Sata
Board number on label: 2061-771702-C01 AGD17
Board number on PCB: 2060-771702-001 REV A