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 GideonTech Reviews
-- Samsung SpinPoint SP4004H 40GB Hard Drive
-- Price: ~ $115 USD
-- 1/16/2002
-- By: winterstick
-- Page: 1 2 3

   Samsung has long been known for producing quality affordable monitors for many years but not for its production of hard drives. Today we are looking at the SpinPoint SP4004H which is a 7200 RPM, ata100, 40 gig hard drive.  Samsung has incorporated Acoustic Management through the use of their NoiseGuard™Acoustic Noise Suppression Technology and their SilentSeek™ Technology to bring their 7200 RPM hard drives down to 5400 RPM noise levels.

   Since most of the noise is generated from the motor and the sensor, Samsung has targeted these two areas to work on, when implementing its NoiseGuard™ technology.  Here's a picture of what they use to calculate noise:

Pic Copyright Samsung

   This information in regards to noise levels helped Samsung to move ahead and include Noiseguard.  What it really is, is replacement of material that makes up the hard drive.  Different materials were used until the best noise absorbing was found.  This included the motor and also the hard drive cover.  Find out more about it at the Samsung Website.

Key Features:

  • 3.5-inch High Performance Hard Disk Drives

  • 7,200 rpm Spindle Speed

  • High Speed Digital Signal Processor (DSP) Based Architecture

  • Ultra DMA-100 Compatible

  • SSB™(Shock Skin Bumper)

  • ImpacGuard™

  • NoiseGuard™Acoustic Noise Suppression Technology

  • Automatic Acoustic Management

  • Support ATA Security Mode Feature

  • Support ATA Host Protected Area Feature

  • S.M.A.R.T Compliant

  • SilentSeek™Technology

Technical Specs:

Drive Configuration Capacity 40.0
Heads 4
Disks 2
Interface Ultra ATA/100*
Buffer Size 2 MB
Performance Specification Read Seek Time:
Track to Track 0.8 ms
Average 9.0 ms
Full Stroke 18 ms
Average Latency 4.17 ms
Rotational Speed 7,200 rpm

Data Transfer Rate:


Media to/from Buffer

473 Mbits/sec

Buffer to/from Host

100 MBytes/sec
Reliability Specification Non-recoverable
Read Error
1 sector in 10 14 bits
MTBF 500,000 POH
Start/Stop Cycles
Component Design Life 5 years
(Average Sound Power)
Idle 3.0 Bel
Random Read/Write 3.1 Bel
Environmental Specification Temperature:  
Operating 5 ~ 55˚C
Non-operating -40 ~ 70˚C
Thermal Gradient
Operating 5 ~ 85 %
Non-operating 5 ~ 95 %
Linear Shock
(1/2 sine pulse):
Operating, 2ms 63 G
Non-operating, 2ms 300 G
Vibration (swept sine,
1 octave per minute)20
Linear Shock
(1/2 sine pulse):
5 ~ 21 Hz 0.034” (double amplitude)
22 ~ 300 Hz 1.5 Gp-p
5 ~ 21 Hz 0.195” (double amplitude)
22 ~ 500 Hz 8 Gp-p
(relative to sea level):
Operating -650 to 10,000 feet
Non-operating -1,000 to 40,000 feet
Power Requirements Voltage +5V±5%, +12V±10%
Powerup Current(max.) 500/1850 mA
Seek(Random Seek,
33% Duty)
7.0 W
Read/Write (typical) 6.2 W
Idle (typical) 6.0 W
Standby (typical) 1.0 W
Sleep (typical) 1.0 W
Physical Dimension Height 1 inch
Width 4 inches
Depth 5.75 inches
Weight 1.4 pounds
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