DT01ACA Series Hard Disk Drive 500 / 1,000GB* 3.5-Inch / 7,200 RPM / SATA The DT01ACA series is Toshiba’s first 3.5-inch hard drive for use in power-friendly consumer and commercial desktop computers. The 7,200 RPM drive series is engineered for high performance and low power for cooler operation. With 32MB cache buffer the DT01ACA drives are designed for faster data processing. The 3.5-inch DT01ACA drives include Advanced Sector Format technology, which utilizes the industry standard 4K byte-per-sector configuration and improved error-correcting code functionality to enhance data integrity while making more efficient use of the storage surface area. These desktop drives are halogen-free, demonstrating Toshiba Corporation’s global commitment to Environmentally Conscious Products (ECPs) that have minimal environmental impact.** As part of this voluntary initiative, Toshiba has reduced or eliminated additional hazardous substances*** in the DT01ACA drives. Up to 1,000GB* of Storage Capacity 7,200 RPM Rotational Speed Low Power Advanced Format 512e Eco-friendly halogen-free design DT01ACA050 DT01ACA100 Series Overview Drive Capacity 500GB 1TB Drive Interface Serial ATA 3.0 / ATA8 Number of Platters (disks) 1 Number of Data Heads 2 or 1 2 Environmental Compliance RoHS compliant Transfer Rate to Host 6 Gb/sec Number of user data cylinders 16,383 Bytes per sector (HOST) 512 byte Bytes per sector(DISK) 4,096 byte Logical blocks (LBA) 976,773,168 1,953,525,168 Maximum areal density 2 head: 674Mb/mm2{435 Gbit/in2}1 head: 881Mb/mm2 {569Gbit/in2} 881Mb/mm2{569 Gbits/in2} Performance Rotational Speed 7,200 RPM Average Latency 4.17ms Buffer Size 32MB Single track seek time (read) 0.6 ms Single track seek time (write) 0.8 ms Power Requirements Voltage 5V (+/- 5%), +12VDC ± 10% Energy Consumption Efficiency 0.0074/A 0.0037/A Read/Write Power 6.4 watts Active Idle Power 3.7 watts Low Power Idle 2.2 watts Standby Power 1.0 watts Sleep Power 1.0 watts Physical Size Dimensions (W) x (D) x (H) 101.6 mm x 147 mm x 26.1 mm Weight 450 g Environmental Temp - Operating 0° to 60°C Temp - Non-Operating -40° to -70°C Vibration - Operating 6.57 m/s² (0.67G) RMS 5 to 500 Hz Vibration - Non-Operating 10.2 m/s² (1.04G) RMS 2 to 200 Hz Shock - Operating 686 m/s² (70G) 2ms Half Sine Shock - Non-Operating 3430 m/s² (350G) 2ms Half Sine Acoustics Acoustics (idle) 25 dB Acoustics (seek) 26 dB Reliability Load/Unload 300,000 times Error rate non-recoverable 1/1014 bit read Warranty Limited Warranty 2 years (from date of purchase)