Toshiba's DT01ABA-V series and MD04ABA-V series of 3.5-inch HDD deliver up to 4TB of storage capacity. The DT01ABA-V series and MD04ABA-V series are suitable for video editing, set-top-box (STB), digital video recorders (DVR) and network video recorders (NVR) applications where large capacity, low power and low acoustics are critical.Features:Perfect for surveillance DVR, NVR, and CCTV system surveillance kits.Up to 4TB of storage capacity.3.5-inch, low profile form factor.1TB/2TB(5,700 RPM), 3TB(5,940 RPM), 4TB(5,400 RPM).7 * 24 continuous work.Stable and reliable performance and low noise.SATA up to 6.0 Gbit/s.Advanced Format (AF) 512e sector length.Low power consumption versus higher RPM models.Specifications:Brand: TOSHIBAModel: DT01ABA100V Hard drive type: Surveillance HDD(hard disk drive)Hard disk size: 1TB, 2TB, 3TB, 4TB (optional)Form factor: 3.5inchHardware interface: SATA 6Gb/sSupply voltage: 5V ± 5%, 12V ± 10%Power consumption(read/write): 5.7W TypSpinning speed: 5,700 RPMCache memory: 32MBItem size: 147 * 101.6 * 26.1mm / 5.78 * 4 * 1.02in (L * W * H)Package size: 19 * 13.5 * 4.5cm / 7.48 * 5.31 * 1.77in (L * W * H)Package weight: 430g / 15.22oz About Capacity:Hard disk/flash memory vendors are using decimal arithmetic: 1MB=1000KB, 1G=1000MB calculated, but the operating system is using binary arithmetic: 1MB=1024KB, 1GB=1024MB. So there are some differences between display capacity and nominal capacity of hard disk/flash memory products. However, this is allowed to exist. Please do not doubt his authenticity.8G=approximately 7.5GB, 16GB=approximately 14GB, 32GB=approximately 29GB, 40GB=approximately 37GB, 60GB=approximately 55GB, 80GB=approximately 74GB, 120GB=approximately 111GB, 160GB=approximately 149GB, 250GB=approximately 232GB, 320GB=approximately 298GB, 500GB=approximately 465GB, 640GB=approximately 595GB, 1TB=approximately 930GBPackage List:1 * Surveillance HDD