- Featuring: Western Digital WD3200AAJS 7,200 RPM SATA 320 GB Internal Hard Drive Cache8 MB Specifications: Model WD3200AAJS Capacity 320 GB Drive Type Internal Hard Drive Form Factor 3.5 inch Interface SATA (3.0 Gb/s) Speed (RPM) 7200 RPM Cache / Buffer 8 MB Use Type Desktop Storage.
eBay