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Toshiba’s new line up of 1.8-inch HDDs – MK3233GSG HDDs


Toshiba MK3233GSG HDDs
Toshiba has today introduced a new line up of 1.8-inch HDDs with a maximum capacity of 320GB, targeted at thin and light mobile PCs and portable external hard disk drives. The new series delivers three models in 160GB, 250GB and 320GB capacities, and will start mass production from December. Improvement of the MK3233GSG family’s perpendicular magnetic recording head and the disk’s magnetic layer secure an areal density of 801Mbit/mm2 (516Gbpsi), Equipped with a serial ATA interface, 5,400 RPM rotational speed and a large capacity 16MB buffer memory The areal density improvement allows MK3233GSG to boost internal data transfer rates by 15% from the MK2529GSG, the Toshiba’s earlier 250GB 1.8-inch HDD.

The new 250 and 320GB drives, the MK 2533GSG and MK3233GSG, cut acoustic noise during seek to 19dB, a 4dB decrease from the MK2529GSG, the top-end drive in Toshiba’s previous generation of 5,400RPM 1.8-inch HDD.

Specifications:

Model Number

MK3233GSG
MK2533GSG
MK1633GSG
Capacity
320GB
250GB
160GB
Number of disks
2
1
Number of heads
4
2
Average seek time
15 ms
Interface
SATA
Interface speed
3.0Gbps
Rotational speed
5,400 rpm
Buffer memory
16MB
External dimensions
(W)54.0 mm × (D)78.5 mm × (H)8.0 mm
Weight
62g (max)
60g (max)
Power consumption Seek
1.3W
Read/Write
1.3W
Energy consumption efficiency
0.0013
0.0016
0.0025
Category name[8]
h
h
g
Acoustics Idle
18dB
16dB
Seek
19dB
17dB
Vibration resistance Operating
19.6 m/s2 , 2.0G (15-500Hz)
Non-operating
49 m/s2 , 5.0G (15-500Hz)
Shock resistance Operating
4,900 m/s2 (500G , 2ms)
Non-operating
14,700 m/s2 (1,500G , 1ms)
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