Toshiba Launches New 2.5-inch 7,200 RPM HDD Series

MK5056Toshiba Corporation , the pioneer in small form factor hard disk drives (HDDs), today announced a new family of high-performance 7,200RPM 2.5-inch HDDs, including a top-end drive with a half-terabyte capacity. Mass production of the series will start in October.

Toshiba’s high-performance MK5056GSYseries offers capacities of 160GB, 250GB, 320GB and 500GB for commercial and consumer notebook PCs, gaming notebooks, and tiny and all-in-one desktops. In operation, the drives deliver significant performance improvements over Toshiba’s previous generation of 7,200RPM drives. Data is transferred at 1,255Mb/s, a 23% boost, and energy consumption efficiency is raised by 28%.

Toshiba MK5056GSY HDD series

Application of Toshiba’s original advanced acoustic management technology in the new double-platter MK5056GSY, the leading edge half-terabyte model, and the MK3256GSY, cuts acoustic noise during seek to 25dB, a 3dB decrease from the earlier MK3254GSY. The single-platter models, MK2556GSY and MK1656GSY, cut acoustic noise to 23dB, a 2dB decrease from the MK1654GSY, until now the quietest 7,200RPM 2.5-inch HDD. The MK5056GSY family is also compliant with the European Union’s RoHS directive and halogen free.

Product Specifications

Model Number MK5056GSY MK3256GSY MK2556GSY MK1656GSY
Capacity 500GB 320GB 250GB 160GB
Number of disks 2 1
Number of heads 4 3 2
Average seek time Read 11msec
Write 12msec
Interface Serial ATA 2.6/ATA8
Interface speed 3.0Gbit/s
Rotational speed 7,200 rpm
Buffer memory 16MB
External dimensions (W)69.85mm x (D)100.0mm x (H)9.5mm
Weight 115g (max.) 98g (max.)
Energy consumption efficiency 0.0020 0.0031 0.0040 0.0063
Category name[2] e e d d
Acoustics Idle 25dB 23dB
Seek 25dB 23dB
Vibration resistance Operating 9.8m/s2 , 1G (5-500Hz)
Non-operating 49m/ s2 , 5G (15-500Hz)
Shock resistance Operating 3,185 m/s2 (325G , 2ms)
Non-operating 8,820 m/s2 (900G , 1ms)

Source: Toshiba

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