Part No. 4R120L0Description: MAXTOR - 120GB 5400RPM 2MB BUFFER ATAIDE-133 3.5INCH LOW PROFILE INTERNAL HARD DRIVE(4R120L0). KEY FEATURES : DESIGNATION : DESKTOP COMPUTER CAPACITY : 120 GB INTERFACE : IDEEIDE ENCLOSURE : INTERNAL HDD FORM FACTOR : 3.5 X 13H (LOW PROFILE) SPINDLE SPEED : 5400 RPM