Refurbished WD6400AAKS-08A7B2 Western Digital Caviar Blue 640GB

ST2000NM0055 Overview

The ST2000NM0055 (Enterprise Capacity 3.5 V.5) from Seagate is an enterprise-class 2TB 3.5-inch internal hard drive designed for high-density cloud storage, data centers, and enterprise bulk data applications. Operating at 7,200 RPM with a 128MB cache buffer, it leverages a SATA III (6Gbps) interface to deliver reliable, sequential data throughput for 24/7 mission-critical environments.
Engineered for heavy workloads, this drive features a native 512n sector format to ensure seamless backward compatibility with legacy enterprise systems and applications. It is built to handle a robust workload rating of 550TB per year and incorporates advanced rotational vibration tolerance technology to maintain consistent, stable performance when tightly packed inside multi-drive server racks.