Samsung 250GB 2.5" SATA HDD 5400rpm 8MB Cache HM250JI

Spinpoint M Series
Spinpoint M5S Series
M5S Series
Capacity : 250 GB
Interface : SATA 1.5Gbps
BufferMemory : 8MB

Up to 160GB formatted capacity per disk
TuMR/PMR head with wireless suspension design
Serial ATA 1.5Gbps Interface Support
SATA Native Command Queuing Feature set
Device Initiated SATA Power Management
Fluid Dynamic Bearing Spindle Motor Technology
Load/Unload Head Technology
ATA Security Mode Feature Set
ATA SMART Feature Set
ATA Automatic Acoustic Management Feature Set
ATA Device Configuration Overlay Feature Set
Multi-Burst On-The-Fly Error Correction
SilentSeek™
Hybrid Latch System for Reliability and Quietness


(1MB = 1,000,000 Bytes. 1GB = 1,000,000,000 Bytes)

Specification

Drive Configuration

Interface: SATA 1.5Gbps
Buffer DRAM Size: 8 Mbytes
Bytes per Sector: 512

Performance Specification

Read Seek Time (typical)
Track to Track: 2 ms
Average: 12 ms
Full Stroke: 22 ms
Average Latency: 5.6 ms
Rotational Speed: 5,400 RPM

Data Transfer Rate
Media Transfer Rate (max.): 530 Mb/sec
Buffer to/from Host (max.): 150 MB/sec
Drive Ready Time (typ.): 3.5 sec

Reliability Specification

Non-recoverable Read Error: 1 sector in 10^14bits
MTBF: 330,000 POH
Controlled Ramp Load/Unload: 600,000

Acoustics(Average Sound Power)

Idle 1-Disk: 2.2 Bel
Idle 2-Disk: 2.4 Bel
Random Read/Write 1-Disk: 2.4 Bel
Random Read/Write 2-Disk: 2.6 Bel

Environmental Specification

Temperature (Operating): 5 ~ 55 °C
Temperature (Non-operating): -40 ~ 70 °C

Humidity (non-condensing)
Operating: 5~90 %
Non-operating: 5~95 %

Power Requirements5

Voltage: +5V
Spin Up (max.): 4.5 W
Seek 4 (typ.): 2.2 W
Read/Write On-Track (typ.): 2.0 W
Low power Idle (typ.): 0.6 W
Standby (typ.): 0.25 W
Sleep (typ.): 0.20 W

Physical Dimension

Length: 3.94 in
Width: 2.75 in
Depth: 0.37 in
Weight: 0.22 lb