The Seagate ST1000LM035 1TB 2.5” SATA HDD is a high-quality internal laptop drive designed for reliable storage and efficient performance. With a rotation speed of 5400 RPM and a cache of 128 MB, this HDD offers fast read speeds of up to 500MB/s. The sleek silver color and low noise level make it a quiet and stylish addition to any laptop. This drive is part of the Mobile product line from Seagate, known for its compatibility with laptops and plenty of storage capacity at 1TB.