Samsung HM251JI Datasheet

Samsung
Brand
Samsung
Model
HM251JI
Category
Internal hard drives
Type
Datasheet

This manual is also suitable for

Samsung HM251JI is a 250GB 2.5" hard disk drive with an 8MB buffer and a rotational speed of 5,400 RPM. It supports SATA 1.5Gbps interface and has an average seek time of 12ms. The drive also features TuMR/PMR head with FOD technology, Serial ATA 1.5Gbps Interface Support, Load/Unload Head Technology, ATA Security Mode Feature Set, ATA S.M.A.R.T. Feature Set, SilentSeek™, and NoiseGuard™. With a non-recoverable read error rate of 1 sector in 1014 bits, this drive is highly reliable. It is also energy-efficient, with a low power idle of 0.6W and a standby power consumption of 0.25W.

Samsung HM251JI is a 250GB 2.5" hard disk drive with an 8MB buffer and a rotational speed of 5,400 RPM. It supports SATA 1.5Gbps interface and has an average seek time of 12ms. The drive also features TuMR/PMR head with FOD technology, Serial ATA 1.5Gbps Interface Support, Load/Unload Head Technology, ATA Security Mode Feature Set, ATA S.M.A.R.T. Feature Set, SilentSeek™, and NoiseGuard™. With a non-recoverable read error rate of 1 sector in 1014 bits, this drive is highly reliable. It is also energy-efficient, with a low power idle of 0.6W and a standby power consumption of 0.25W.

Mobile SATA
Spinpoint M6
320GB 250GB
Model 8 MB
HM320JI HM251JI
FEATURES
• Max. 160GB formatted capacity per disk • ATA Security Mode Feature Set
• SATA Native Command Queuing Feature • ATA S.M.A.R.T. Feature Set
• TuMR/PMR head with FOD technology • SilentSeek™
• Serial ATA 1.5Gbps Interface Support • NoiseGuard™
• Load/Unload Head Technology
Ca
p
acit
y
1
250GB/320GB
Temperature
Interface
SATA 1.5Gbps Operating
5 ~ 55 ℃
Buffer DRAM Size
2
8 MB Non-operating
-40 ~ 70 ℃
Byte per Sector
512
Humidity (non-condensing)
Rotational Speed
5,400 RPM Operating 5 ~ 90 %
Non-operating 5 ~ 95 %
Linear Shock (1/2 sine pulse)
Average Seek time (typical)
12 ms
O
p
eratin
g(
2ms
)
5
325 G
Data Transfer Rate
Non-operating(1ms) 1000 G
Media to/from Buffer (Max.) 826Mbits/s
Vibration
Buffer to/from Host (Max.) 150MB/s Operating(Random,10~500Hz) 0.7Grms
Drive Read
y
Time
(
t
yp
ical
)
3
4 sec
Altitude (relative to sea level)
Operating -300 to 3000 m
RELIABILITY SPECIFICATIONS
Non-operating -400 to 15000 m
Non-recoverable Read Error
1 sector in 10
14
bits
Controlled Ramp Load/Unload
600,000
PHYSICAL DIMENSION
ACOUSTICS Height
9.5 mm
Idle (typical)
2.4 Bel
Width
69.85 mm
Performance Seek (typical)
2.6 Bel
Length
100 mm
Weight
102 g
POWER REQUIREMENTS
Voltage +5V±5%
* Note : Design and specifications are subject to change without prior notice.
Spin-up Current (Max.) 900 mA
1.1MB = 1,000,000 Bytes, 1GB = 1,000,000,000 Bytes
Seek
(
t
yp
ical
)
4
2.2 W
Accessible capacity may vary as some OS uses binary numbering system
Read/Write (typical) 2.0 W
for reported capacity
Low Power Idle (typical) 0.6 W
2 A small portion of the 8MB buffer memory is reserved for firmware use
Standby (typical) 0.25 W
3 Power-On to Drive Ready
Sleep (typical) 0.2 W
4 30% duty cycle, random seek
5. On Track Read Operation
6 Power requirements based on enabled DIPM & 1.5Gbps speed
2.5" HDD product specification Rev 1.2
Match with product manual Rev 02
Capacity
DRIVE CONFIGURATION ENVIRONMENTAL SPECIFICATIONS
PERFORMANCE SPECIFICATIONS
  • Page 1 1

Samsung HM251JI Datasheet

Samsung
Brand
Samsung
Model
HM251JI
Category
Internal hard drives
Type
Datasheet
This manual is also suitable for

Samsung HM251JI is a 250GB 2.5" hard disk drive with an 8MB buffer and a rotational speed of 5,400 RPM. It supports SATA 1.5Gbps interface and has an average seek time of 12ms. The drive also features TuMR/PMR head with FOD technology, Serial ATA 1.5Gbps Interface Support, Load/Unload Head Technology, ATA Security Mode Feature Set, ATA S.M.A.R.T. Feature Set, SilentSeek™, and NoiseGuard™. With a non-recoverable read error rate of 1 sector in 1014 bits, this drive is highly reliable. It is also energy-efficient, with a low power idle of 0.6W and a standby power consumption of 0.25W.

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