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Samsung EcoGreen F2 (HD154UI) 1.5 TB Hard Disk Drive Review
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The Samsung HD154UI

The Samsung HD154UI hard disk drive looks like any other 3.5" desktop hard drive, with a label on the top plate and an uncovered PCB on the underside.

The label has a lot of important information, like the hard drive model and capacity, and SDRAM cache size. There are also interesting details like its date and place of manufacture. This particular drive was manufactured in Korea in November 2009.

The underside is bare except for the PCB at the base of the drive. You can see the motor controller cable connecting the PCB to the drive motor. Unlike Western Digital, Samsung prefers to attach their surface-mounted components on this side of the PCB.


Usable Capacity

This Samsung EcoGreen F2 drive officially has a formatted capacity of 1,500,302 MB. We checked that out by formatting both in NTFS using Windows Vista.

The actual formatted capacity was 1,500,299,390,976 bytes. This is slightly (2.5 MB) lower than the official formatted capacity. With about 133 MB allocated to the NTFS file system, the actual usable capacity remained slightly above 1.5 TB.

Let's take a look at its specifications.




• HD154UI

Formatted Capacity

• 1,500,302 MB

Guaranteed Sectors

• 2,930,277,168

Bytes Per Sector

• 512 bytes

Sectors Per Track

• NA


• NA


• 3 Platters

Read/Write Heads

• 6 Read/Write Heads

Recording Method

• NA


• 1 : 1

Spindle Speed

• 5,400 RPM

Cache Buffer


Internal Data Transfer Rate

• 166 MB/s (sustained, maximum)

Maximum I/O Transfer Rate

• 3.0 Gbits/s

Average Seek

• 8.9 ms

Average Latency

• 5.56 ms

Drive Ready Time

• 13 seconds (average)


• Serial ATA 3 Gb/s

Supported SATA Data Transfer Mode

• 3.0 Gbits/s

SATA Hotplug Capability

• Yes

Maximum Height

• 26.1 mm (1.028 inches)

Maximum Width

• 101.6 mm (4.00 inches)

Maximum Length

• 147.0 mm (5.787 inches)

Maximum Weight

• 650 g (1.43 lbs)

Power Requirements

• +12V DC ± 10 %
• +5V DC ± 5 %

Power Consumption

• 6.3 W (Read / Write)
• 5.7 W (Random Seek)
• 5.1 W (Idle)
• 1.0 W (Standby)
• 1.0 W (Sleep)

Ambient Temperature

• 0 °C to 60 °C (Operating)
• -40 °C to 70 °C (Non-Operating)

Maximum Shock

• 70 G @ 2 ms (Read/Write)
• 300 G @ 2 ms (Non-Operating)

Drive Acoustics

• 25 dBA average (Idle Mode)
• 28 dBA average (Performance Seek Mode)

Non-Recoverable Read Errors

• 1 error per 1015 bits read

Load/Unload Cycles

• 50,000 (minimum)


• NA


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