Dell Equallogic 300GB SAS 15k 3.5" 3G Hard Drive 959R4 Increase the storage capacity of your server with this 300GB SAS hard drive from Dell. Featuring SAS interface, this drive offers a good rotational speed, providing fast disk access. Specifications Manufacturer: Dell/Equallogic Model Number: 959R4/ST3300657SS Product Type: Hard Disk Drive Capacity: 300GB Rotational Speed: 15kRPM Form Factor: 3.5 Inch Interface: SAS 3Gb/s Warranty: 1-Year Shipping: Free (2-3 days USA)