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Seagate 120GB HDD
Seagate

120GB HDD

Seagate Desktop HDD 120GB HDD, 120 GB, 7200 RPM, 8 MB, 3.5", Serial ATA

Internal HDDs
—/10What the pros sayPendingExpert consensusSee score breakdown ↓
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Key specs
Capacity
120 GB
Interface
Serial ATA
Highlights

Specs that matter

Body
Weight
1.4 lb (635 g)
At a glance

Product highlights

Verified attributes, grouped for quick scanning.

Weight1.4 lb (635 g)
35 attributes · See all specifications
Price & availability

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Head to head

How it stacks up

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Seagate 120GB HDD
This device120GB HDD
VS
Seagate 1 TB 3.5"
AlternativeSeagate 1 TB 3.5"
Score
——
Full comparison
Seagate 120GB HDD
This device120GB HDD
VS
Seagate 1 TB, 2.5", 12Gb/s SAS
AlternativeSeagate 1 TB, 2.5", 12Gb/s SAS
Score
——
Full comparison
Seagate 120GB HDD
This device120GB HDD
VS
Seagate 1 TB, 2.5", 12Gb/s SAS
AlternativeSeagate 1 TB, 2.5", 12Gb/s SAS
Score
——
Full comparison
Same category

Alternatives worth a look

Other phones in the database, with their stored scores and prices.

All internal hdds →
1 TB 3.5"—
Seagate1 TB 3.5"Seagate Pipeline HD 1 TB 3.5", 1 TB, 5900 RPM, 3.5", Serial ATA III
1 TB, 2.5", 12Gb/s SAS—
Seagate1 TB, 2.5", 12Gb/s SASSeagate Enterprise 1 TB, 2.5", 12Gb/s SAS, 1 TB, 7200 RPM, 128 MB, 2.5", SAS
1 TB, 2.5", 12Gb/s SAS—
Seagate1 TB, 2.5", 12Gb/s SASSeagate Enterprise 1 TB, 2.5", 12Gb/s SAS, 1 TB, 7200 RPM, 128 MB, 2.5", SAS
1 TB, 2.5", SATA 6Gb/s—
Seagate1 TB, 2.5", SATA 6Gb/sSeagate Enterprise 1 TB, 2.5", SATA 6Gb/s, 1 TB, 7200 RPM, 128 MB, 2.5", Serial ATA III
Product data

Full specifications

35 attributes, grouped for quick scanning. Spot a wrong value? Hit the next to it.

Mean time between failures (MTBF)
600000 h
Type
HDD
Operating voltage
5 / 12 V
Power consumption (idle)
9.5 W
Power consumption (PowerSave)
1.8 W
Power consumption (standby)
1.8 W
Power consumption (typical)
13.5 W
Capacity
120 GB
Start/stop cycles
50,000
Bytes per sector
512
Average seek time
9.4 ms
Write seek time
10.5 ms
Read seek time
9.4 ms
HDD number of heads
4
Interface
Serial ATA
Storage drive buffer size
8 MB
HDD capacity
120 GB
Manufacturer Sku
ST3120023AS
Non-operating shock
350 G
Operating shock
63 G
Non-operating altitude
-198.12 - 12192 m
Operating altitude
-198.12 - 3048 m
Non-operating vibration
5 G
Operating vibration
0.5 G
Storage relative humidity (H-H)
5 - 95%
Operating relative humidity (H-H)
5 - 90%
Storage temperature (T-T)
-40 - 70 °C
Operating temperature (T-T)
0 - 60 °C
Start-up current
2.8 A
Average latency
4.16 ms
HDD size
3.5"
Depth
147 mm
Height
26.1 mm
Width
101.8 mm
HDD speed
7200 RPM
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