Mobile SATA

Spinpoint MP4

Capacity

250GB

320GB

500GB

640GB

Model

16 MB

HM250HJ

HM320HJ

HM500JJ

HM640JJ

FEATURES

•Max. 320GB formatted capacity per disk

•SATA Native Command Queuing Feature

•TuMR/PMR head with FOD technology

•Serial ATA 3.0Gbps Interface Support

•Load/Unload Head Technology

DRIVE CONFIGURATION

 

Capacity1

250 / 320 / 500 / 640 GB

Interface

SATA 3.0Gbps

Buffer DRAM Size2

16 MB

Rotational Speed

7,200 RPM

PERFORMANCE SPECIFICATIONS

Average Seek time (typical)

11 ms

Average Latency

4.13 ms

Data Transfer Rate

 

Media to/from Buffer (Max.)

189 MB/s

Buffer to/from Host (Max.)

300 MB/s

Drive Ready Time (typical)3

4 sec

RELIABILITY SPECIFICATIONS

 

Non-recoverable Read Error

1 sector in 1014 bits

Controlled Ramp Load/Unload

600,000

ACOUSTICS

 

Idle (1D/2D)

2.4 / 2.6 Bel

Performance Seek (1D/2D)

2.6 / 2.8 Bel

POWER REQUIREMENTS

 

Voltage

+5V±5%

Spin-up Current (Max.)

1000 mA

Seek (AVG)4

2 W

Read/Write (AVG)

2.5 W

Low Power Idle (AVG)

0.85 W

Standby (AVG)

0.2 W

Sleep (AVG)

0.2 W

• ATA Security Mode Feature Set

• ATA S.M.A.R.T. Feature Set

• SilentSeek™

• NoiseGuard™

ENVIRONMENTAL SPECIFICATIONS

 

Temperature

 

Operating

5 ~ 55 ℃

Non-operating

-40 ~ 70 ℃

Humidity (non-condensing)

 

Operating

5-90 %

Non-operating

5-95 %

Linear Shock (1/2 sine pulse)

 

Operating,(2ms)5

325 G

Non-operating, 1ms

900 G

Vibration (10~500 Hz, Ramdom)

 

Operating

1.5G

Altitude (relative to sea level)

 

Operating

-300 to 3000 m

Non-operating

-400 to 15000 m

PHYSICAL DIMENSION

 

Height

9.5 mm

Width

69.85 mm

Length

100.3 mm

Weight 1/2D(max.)

110 / 119 g

*Note : Design and specifications are subject to change without prior notice. 1.1MB = 1,000,000 Bytes, 1GB = 1,000,000,000 Bytes

Accessible capacity may vary as some OS uses binary numbering system for reported capacity

2 A small portion of the 8MB buffer memory is reserved for firmware use 3 Power-On to Drive Ready

4 30% duty cycle, random seek

5 On Track Read Operation

2.5" HDD product specification Rev 1.0 Match with product manual Rev 00

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Samsung HM500JJ, HM640JJ, HM250HJ, HM320HJ specifications Spinpoint MP4, Features
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HM250HJ, HM500JJ, HM320HJ, HM640JJ specifications

The Samsung HM640JJ, HM320HJ, HM500JJ, and HM250HJ are part of Samsung's renowned line of hard disk drives (HDDs) that are designed for both consumer and professional use. Each model boasts specific specifications and technologies that cater to various storage needs.

The Samsung HM640JJ offers a storage capacity of 640GB, making it suitable for users requiring ample space for documents, media files, and applications. Operating at a spindle speed of 7200 RPM, it ensures fast data access and efficient performance. The buffer size of 32MB enhances data transfer rates, facilitating smooth multitasking and application responsiveness. This model utilizes SATA II interface, providing reliable and quick connectivity. Additionally, Samsung's NoiseGuard technology minimizes operational noise, which is particularly beneficial for home and office environments.

Moving to the HM320HJ, this drive is designed for users who need efficient storage in a compact size, featuring a capacity of 320GB. With a spindle speed of 5400 RPM, it offers sufficient performance for everyday tasks such as file storage and light gaming. The HM320HJ includes a 16MB cache, which aids in quick data retrieval and a smoother user experience. Its compact design and energy-efficient operation make it an ideal choice for portable devices and laptops.

The HM500JJ, with its 500GB capacity, strikes a balance between space and performance. Also operating at 7200 RPM, it matches the HM640JJ in speed, making it suitable for users needing quick access to large files and applications. It features a rotational vibration sensor that enhances drive stability, especially in multi-drive environments. This technology helps to protect stored data from potential damage, which is crucial for users handling sensitive information.

Lastly, the HM250HJ offers a 250GB capacity, aimed at users with moderate storage needs. Operating at 5400 RPM, this drive is designed for reliability and efficiency. It employs Samsung’s ShockGuard technology, which helps protect the drive against accidental drops and shocks, ensuring data integrity. The HM250HJ is an excellent choice for budget-conscious consumers needing dependable storage for everyday use.

In summary, the Samsung HM series HDDs encompass a range of storage capabilities, spindle speeds, and technologies designed to meet diverse user requirements, from casual to professional, while ensuring data integrity and performance efficiency.
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