You will get this exact item with these exact details:
If no exact item is requested, you will get the first item in the listing:
Model: WD6400AAKS-40H2B0 (21 hrs)
Sata
Date: 29 MAR 2009
DCM: DARNNVJMA
655-1528A
SN: WMASY7705481
Product of Malaysia
Cap: 640gb
Board number on label: 2061-771577-900 04P
Board number on PCB: 2060-771577-001 REV A
OR
Model: WD6400AAKS-40H2B0 (22 hrs)
Sata
Date: 29 MAR 2009
DCM: DARNNVJMA
655-1528A
SN: WMASY7589564
Product of Malaysia
Cap: 640gb
Board number on label: 2061-771577-900 04P
Board number on PCB: 2060-771577-001 REV A