Samsung HM320HJ, HM640JJ, HM250HJ, HM500JJ User Manual
Mobile SATA
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Spinpoint MP4
Capacity
Model 16 MB HM250HJ HM320HJ HM500JJ HM640JJ
250GB 320GB 500GB 640GB
FEATURES
• Max. 320GB formatted capacity per disk • ATA Security Mode Feature Set
• SATA Native Command Queuing Feature • ATA S.M.A.R.T. Featur e Set
• TuMR/PMR head with FOD technology • SilentSeek™
• Serial ATA 3.0Gbps Interface Support • NoiseGuard™
• Load/Unload Head Technology
DRIVE CONFIGURATION ENVIRONMENTAL SPECIFICATIONS
Ca
Interface
Buffer DRAM Size
Rotational Speed
PERFORMANCE SPECIFICATIONS
Average Seek time (typical)
Average Latency
Data Transfer Rate Vibration (10~500 Hz, Ramdom)
Media to/from Buffer (Max.) 189 MB/s Operating 1.5G
Buffer to/from Host (Max.) 300 MB/s
Drive Read
RELIABILITY SPECIFICATIONS
Non-recoverable Read Error
Controlled Ramp Load/Unload
ACOUSTICS
Idle (1D/2D)
Performance Seek (1D/2D)
acit
1
Time (typical
250 / 320 / 500 / 640 GB
SATA 3.0Gbps Operating
2
16 MB Non-operating
7,200 RPM
Temperature
5 ~ 55 ℃
-40 ~ 70 ℃
Humidity (non-condensing)
Operating 5-90 %
Non-operating 5-95 %
Linear Shock (1/2 sine pulse)
11 ms
erating,(2ms
O
5
325 G
4.13 ms Non-operating, 1ms 900 G
Altitude (relative to sea level)
3
4 sec Operating -300 to 3000 m
Non-operating -400 to 15000 m
14
1 sector in 10
2.4 / 2.6 Bel
2.6 / 2.8 Bel
bits
600,000
PHYSICAL DIMENSION
Height
Width
Length
Weight 1/2D(max.)
9.5 mm
69.85 mm
100.3 mm
110 / 119 g
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
* 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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