Samsung Computer Drive HM250HJ User Guide

Mobile SATA  
Spinpoint MP4  
Capacity  
Model 16 MB  
250GB  
320GB  
500GB  
640GB  
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  
• ATA Security Mode Feature Set  
• ATA S.M.A.R.T. Feature Set  
• SilentSeek™  
• NoiseGuard™  
DRIVE CONFIGURATION  
Capacity1  
Interface  
Buffer DRAM Size2  
Rotational Speed  
ENVIRONMENTAL SPECIFICATIONS  
Temperature  
250 / 320 / 500 / 640 GB  
SATA 3.0Gbps  
16 MB  
Operating  
5 ~ 55 ℃  
Non-operating  
-40 ~ 70 ℃  
7,200 RPM  
Humidity (non-condensing)  
Operating  
5-90 %  
5-95 %  
Non-operating  
PERFORMANCE SPECIFICATIONS  
Average Seek time (typical)  
Average Latency  
Linear Shock (1/2 sine pulse)  
Operating,(2ms)5  
Non-operating, 1ms  
Vibration (10~500 Hz, Ramdom)  
Operating  
11 ms  
325 G  
900 G  
4.13 ms  
Data Transfer Rate  
Media to/from Buffer (Max.)  
189 MB/s  
300 MB/s  
4 sec  
1.5G  
Buffer to/from Host (Max.)  
Drive Ready Time (typical)3  
Altitude (relative to sea level)  
Operating  
-300 to 3000 m  
-400 to 15000 m  
Non-operating  
RELIABILITY SPECIFICATIONS  
Non-recoverable Read Error  
Controlled Ramp Load/Unload  
1 sector in 1014 bits  
600,000  
PHYSICAL DIMENSION  
Height  
9.5 mm  
69.85 mm  
100.3 mm  
110 / 119 g  
ACOUSTICS  
Width  
Idle (1D/2D)  
2.4 / 2.6 Bel  
2.6 / 2.8 Bel  
Length  
Performance Seek (1D/2D)  
Weight 1/2D(max.)  
* 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  
POWER REQUIREMENTS  
Voltage  
+5V±5%  
1000 mA  
2 W  
Spin-up Current (Max.)  
Seek (AVG)4  
2 A small portion of the 8MB buffer memory is reserved for firmware use  
3 Power-On to Drive Ready  
Read/Write (AVG)  
Low Power Idle (AVG)  
Standby (AVG)  
Sleep (AVG)  
2.5 W  
0.85 W  
0.2 W  
4 30% duty cycle, random seek  
5 On Track Read Operation  
0.2 W  
2.5" HDD product specification Rev 1.0  
Match with product manual Rev 00  
 

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