Seagate Laptop Thin ST500LM021/1KJ152-030 500GB 7200 RPM 32MB Cache SATA 6.0Gb/s 2.5" Hard Drive This Seagate Laptop Thin ST500LM021 HDD will give your laptop the storage to hold your photos, files, and other storage needs. Improve your Laptop's Performance by buying this ST500LM021 Hard Disk Drive to minimize the amount of time it takes to load files and read them.