SEAGATE MOMENTUS 7200.4 320GB 7.2k 16MB SATA II 2.5'' ST9320423AS | eBay
Seagate Momentus 7200.4 (ST9500420AS) Review: Seagate's Momentus 7200.4 is a 7200rpm hard drive that will fit in a notebook - PC Components - Hard Disk Drives (Internal) - PC World Australia
ST9320423AS HP Seagate 2.5" 320GB 7200 RPM Sata 3GB/S 16MB Cache HDD 507553-001 Laptop Hard Drives - Walmart.com
Refurbished: Seagate Momentus 7200.4 ST9160412AS 160GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive - Newegg.com
Seagate Momentus 7200.4 ST9320423AS 320GB 2.5" SATA II Laptop Hard Drive 715663213970 | eBay