Toshiba Launches 400GB 2.5-Inch HDD Introduces New Line-up Of 7,200rpm Drives

–400GB Drive Cuts Acoustic Noise During Data

Seek By 2dB*1 For near Silent Operation–

TOKYO–(EMWNews)–Toshiba Corporation (TOKYO:6502) today announced a new line-up of high

performance 2.5-inch HDDs, including a low-noise flagship model that

boosts areal density to 477Mbit/mm² (308Gbpsi)

to achieve a capacity of 400GB on just two platters, plus five drives

that bring new levels of performance and 7,200rpm rotational speeds to

the company’s full range of storage capacities.

Mass production of the 400GB MK4058GSX will start from September,

targeting notebook PC and consumer electronic applications. Mass

production of the 7,200rpm drives will start in August. The line-up

includes the 320GB MK3254GSY and models with 80, 120, 160 and 250GB

capacities.

Toshiba will feature the new drives at DISKCON JAPAN 2008, organized by

The International Disk Drive Equipment and Materials Association

(IDEMA), which will be held in Tokyo, Japan, from July 22 to 23, and at

IFA 2008, one of the world’s largest consumer

electronics trade fairs, which will be held in Berlin, Germany, from

August 29 to September 3.

The MK4058GSX uses an improved read-write head and enhanced magnetic

layer to boost areal density to 477Mbit/mm² and

achieve a capacity of 400GB on only two platters, the highest data

density of any of Toshiba’s 2.5-inch HDD. A

further plus is that acoustic noise during data seek has been reduced by

2 decibels (dB), compared to the company’s

current top-of-the-line 320GB MK3252GSX, making operation almost

inaudible. As a result, the new 400GB drive is ideally suited for

noise-free playback of movies and music on notebook PCs and digital

products. These advances are complemented by an improved energy

consumption efficiency^*2 that makes the

MK4058GSX approximately 20% more efficient than Toshiba’s

current top-of-the-line MK3252GSX.

The five other drives that Toshiba has added to its line-up take full

advantage of a 7,200rpm rotation speed to boost performance. Compared to

the current 200GB model (MK2049GSY), the 320GB MK3254GSY improves

maximum internal data transfers rate by approximately 14% to support

high-speed processing of high volume data, meeting demand for notebook

and desktop PCs offering faster performance. The 320GB drives is also

37% more efficient than the MK2049GSY in terms of energy consumption

efficiency^*2. All of the drives, available in a

line-up of 80, 120, 160, 250 and 320GB capacities, support an optional

Free Fall Sensor function, that detects a falling HDD and parks the head

before impact.

All the new drives comply with the European Union’s

RoHS directive^*3 for eliminating use of six

hazardous substances in electrical and electronic equipment, and the

MK4058GSX is Toshiba’s first halogen-free^*4

2.5-inch HDD.

Toshiba Group, a Corporate Citizen of the Planet Earth, is

committed to realizing a better environment. Guided by “Toshiba Group

Environmental Vision 2050” the Group is implementing measures to boost

environmental efficiency by 10 times in FY2050, against the benchmark of

FY2000. The core target is to reduce projected CO²

emissions by a total equivalent to 117.7 million tons a year by FY2025,

through the development and sales of highly efficient power supply

equipment and systems, and the manufacture of environmentally conscious

home appliances and office equipment. By working to mitigate global

warming, make efficient use of resources and control management of

chemicals, Toshiba Group creates value for people and promotes

lifestyles in harmony with the Earth.

Background

2.5-inch hard disk drives are now found in many and diverse

applications, from desktop and mobile PCs to other digital consumer

products. The market has a voracious appetite for larger data

capacities, as more powerful networks and applications bring

audio-visual capabilities to more products. Toshiba will sustain the

industry’s ability to meet customer needs by

providing cutting-edge technologies that add to areal density, operating

speed and overall drive performance.

Key Features of New Products

MK4058GSX

1. Achieving areal density of 477Mbit/mm²

(308Gbspi).

MK4058GSX achieves an areal density of 477Mbit/mm²,

by the result of improving the read-write head and of an enhanced

magnetic layer. With the same two platter design as Toshiba’s

current 320GB design, the new model offers a 400GB capacity, the largest

yet achieved, while retaining the 9.5mm thickness of its predecessor.

2. 2dB acoustic noise reduction in data

seek.

Toshiba has directed its latest advances in HDD technology to reduce

noise by 2dB, suppressing it to a level where users can playback movies

and music without any noise distraction during data seek.

3. Improved energy consumption efficiency.

Compared to the 320GB MK3252GSX, the new MK4058GSX improves energy

consumption efficiency, as defined under the Japanese legal standard, to

0.0015W/GB, a 20% improvement.

4. Environmentally conscious products

(1) Halogen Free Product

The MK4058GSX is Toshiba’s first 2.5-inch HDD

that achieve chlorine and bromine concentrations below the standard

required for recognition as a Toshiba environmentally conscious

products, an ECP (below 900ppm for each, and an overall total below

1,500ppm).

(2) Lower CO₂

emissions during the product lifecycle

During their lifecycle, the new drives will lower CO₂

emissions by approximately 95g a year^*5.

(3) RoHS

compatible

The new drive complies with the European Union’s

RoHS directive for eliminating use of six hazardous substances in

electrical and electronic equipment.

(4) MK4058GSX meets standards for

certification as a standout Toshiba ECP

Toshiba is promoting an “Excellent ECP”

program to stimulate creation of high value products offering

exceptional environmental friendliness. For more information, visit http://www.toshiba.co.jp/env/en/products/index.htm

MK3254GSY and other 7,200rpm drives

1. Expanding

the 7,200rpm line-up to a storage capacity of 320GB.

An improved read-write head and enhanced magnetic layer combine with a

rotation speed of 7,200rpm to realize a maximum storage capacity of

320GB. Toshiba’s 7,200rpm HDD offer a wide

line-up of capacities: 80, 120, 160, 250 and 320GB.

2. Improved energy consumption efficiency

Compared to the 200GB MK2049GSY, the new MK3254GSY improves energy

consumption efficiency, as defined under the Japanese legal standard, to

0.0028W/GB, a 37% improvement.

3. Free Fall Sensor function integrated

(option).

The new 7,200rpm drive support an optional Free Fall Sensor function,

which detects a falling HDD and parks the head before it crashes.

4. Environmentally conscious products

(1) RoHS

compatible

The new drives comply with the European Union’s

RoHS directive for eliminating use of six hazardous substances in

electrical and electronic equipment.

(2) The new 7,200rpm drives meet

standards for certification as a standout Toshiba ECPs

Toshiba is promoting an “Excellent ECP”

program to stimulate creation of high value products offering

exceptional environmental friendliness. For more information, visit http://www.toshiba.co.jp/env/en/products/index.htm

*1 Comparison based on Toshiba’s current

2.5-inch HDD (MK3252GSX).

*2 Energy consumption efficiency is calculated based power consumption

divided by formatted capacity, as defined by Japanese law.

*3 The RoHS Directive, which came into effect in July 2006, is a

European Union directive that eliminates the use of six hazardous

substances in electrical and electronic equipment.

*4 Chlorine and bromine reductions are targeted, and concentrations are

controlled to a level below the standard required for recognition as a

Toshiba environmentally conscious products, an ECP (below 900ppm for

each, with an overall total below 1,500ppm).

*5 Comparison based on MK6015MAP (Year 2000 model). Based on Toshiba’s

evaluation method of LCA (Life Cycle Assesment).

Main Specifications
				MK4058GSX
Formatted capacity				400GB
Number of platters				2
Number of heads				4
Average seek time				12msec
Interface				Serial ATA 2.6/ATA8
Interface speed				3.0Gbit/s
Rotational speed				5,400rpm
Buffer memory				8MB
Dimensions (W x D x Hmm) (W x D x H, mm)				69.85 × 100.0 × 9.5 mm
Weight				102g (max.)
Energy consumption efficiency				0.0015W/GB
Acoustic noise		Idle		25dB
		Seek		25dB
Vibration resistance		Operating		9.8m/s2, 1G (5-500Hz)
		Non-operating		49m/s2, 5G (150-500Hz)
Shock resistance		Operating		3,920m/s2 (400G, 2m/sec.)
		Non-operating		8,820m/s2 (900G, 1m/sec)

MK3254GSY

MK2554GSY

MK1654GSY

MK1254GSY

MK8054GSY

Formatted capacity

320GB

250GB

160GB

120GB

80GB

Number of platters

2

1

1

Number of heads

4

2

1

Average seek time

12msec

Interface

Serial ATA 2.6/ATA8

Interface speed

3.0Gbit/s

Rotational speed

7,200rpm

Internal data transfer speed

1,020Mbit/s (max.)

840Mbit/s (max.)

1,020Mbit/s (max.)

840Mbit/s (max.)

1,020Mbit/s (max.)

Buffer memory

16MB

Dimensions WxDxHmm

69.85mm ×100.0mm ×9.5mm

Weight

115g (max.)

111g (max.)

Energy consumption efficiency

0.0028W/GB

0.0036W/GB

0.0056W/GB

0.0075W/GB

0.0113W/GB

Vibration resistance

Operating

9.8m/s2, 1G (5-500Hz)

Non- operating

49m/s2, 5G (15-500Hz)

Shock resistance

Operating

2,940m/s2(300G, 2msec)

Non- operating

8,820m/s2 (900G, 1msec)

Note: Hard disk capacity is calculated on the basis of 1MB = 1-million bytes, and 1GB = 1-billion bytes.

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