DELL - 1TB 7200RPM SATA-II 64MB BUFFER 2.5INCH HARD DISK DRIVE(WF12F) TECHNICAL INFORMATION STORAGE CAPACITY : 1 TB(1000 GB) ROTATIONAL SPEED : 7200 RPM DATA TRANSFER RATE: 300 MBPS EXTERNAL INTERFACES/PORTS : SERIAL ATA-300 BUFFER : 64MB FORM FACTOR : 2.5 INCH INTERFACES : 1 X SERIAL ATA-300 SUSTAINED DATA TRANSFER RATE : 115MB/S AVERAGE LATENCY : 4.16MS RANDOM READ SEEK TIME : 7.5MS RANDOM WRITE SEEK TIME : 8.5MS CONDITION : REFURBISHED. AVAILABILITY : IN STOCK. OUR WARRANTY : 30 DAYS