The ThinkPad 320GB 7200rpm SATA 3.0Gb/s Hard Drive II (0A33986) option makes it easy to upgrade the primary hard drive of supported ThinkPad laptops. For additional storage and backup, install the ThinkPad 320GB 7200rpm SATA 3.0Gb/s Hard Drive II in the ThinkPad Serial ATA Hard Drive Bay Adapter III.

• 2.5-inch diameter, 7-mm height
• Up to 320 GB formatted capacity
• 512 bytes/sector
• No-ID recording format
• SATA Interface conforming to Serial ATA International Organization:Serial ATA Revision 2.6
• Intergrated controller
• Multi zone recording
• Segmented Buffer with write cache
• Rotary voice coil motor actuator
• Enhanced ECC
• Load/unload mechanism
• Embedded sector Servo
• Interface: Serial ATA
• Formatted capacity: Up to 320 GB
• Rotational speed: 7200 rpm
• Number of disks per drive: 1
• Number of heads: 2
• Data buffer size: 16 MB
• Interface transfer rate: 3 Gb/sec
• Maximum media transfer rate: 1334MB/sec
• Average read seek time: 13 ms
• Power on ready: 4.0sec

• Approximate height: 6.8 mm (0.27 in)
• Approximate width: 69.85 mm (2.75 in)
• Approximate depth: 100.2mm (3.95 in)
• Approximate weight: 95 g (0.209 lb)

1 year - Customer Replacement Unit (CRU) Service

• Announce date: 1 Mar 2011 (Worldwide)
• Availability date: 8 Mar 2011 (Worldwide)

• ThinkPad 320GB 7200rpm SATA 3.0Gb/s Hard Drive II
• Setup Poster