Product comparison · 2 internal hard drives

Seagate Desktop HDD ST3750640NS-RF internal hard drive vs Seagate Enterprise ST4000NM0004-20PK internal hard drive

15specifications compared
8differ
7identical
12known for one product only

Key differences

The Seagate Enterprise ST4000NM0004-20PK internal hard drive has 112 MB more storage drive buffer size than the Seagate Desktop HDD ST3750640NS-RF internal hard drive (128 MB vs 16 MB). The Seagate Desktop HDD ST3750640NS-RF internal hard drive has 23 G more operating shock than the Seagate Enterprise ST4000NM0004-20PK internal hard drive (63 G vs 40 G). The Seagate Enterprise ST4000NM0004-20PK internal hard drive has 25 G more non-operating shock than the Seagate Desktop HDD ST3750640NS-RF internal hard drive (250 G vs 225 G). HDD capacity: 750 GB on the Seagate Desktop HDD ST3750640NS-RF internal hard drive, 4 TB on the Seagate Enterprise ST4000NM0004-20PK internal hard drive. Interface: Serial ATA II on the Seagate Desktop HDD ST3750640NS-RF internal hard drive, Serial ATA III on the Seagate Enterprise ST4000NM0004-20PK internal hard drive.

HDD capacity
- Desktop HDD ST3750640NS-RF internal hard drive:750 GB
- Enterprise ST4000NM0004-20PK internal hard drive:4 TB
Interface
- Desktop HDD ST3750640NS-RF internal hard drive:Serial ATA II
- Enterprise ST4000NM0004-20PK internal hard drive:Serial ATA III
Storage drive buffer size
- Desktop HDD ST3750640NS-RF internal hard drive:16 MB
- Enterprise ST4000NM0004-20PK internal hard drive:128 MB
Operating temperature (T-T)
- Desktop HDD ST3750640NS-RF internal hard drive:5 - 55 °C
- Enterprise ST4000NM0004-20PK internal hard drive:5 - 60 °C
Operating shock
- Desktop HDD ST3750640NS-RF internal hard drive:63 G
- Enterprise ST4000NM0004-20PK internal hard drive:40 G
Non-operating shock
- Desktop HDD ST3750640NS-RF internal hard drive:225 G
- Enterprise ST4000NM0004-20PK internal hard drive:250 G
Width
- Desktop HDD ST3750640NS-RF internal hard drive:101.6 mm
- Enterprise ST4000NM0004-20PK internal hard drive:101.8 mm
Weight
- Desktop HDD ST3750640NS-RF internal hard drive:720 g
- Enterprise ST4000NM0004-20PK internal hard drive:635 g

Side by side

Differences highlightedShow differences only

Comparison of ST3750640NS-RF, ST4000NM0004-20PK
27 specifications	A Seagate Desktop HDD ST3750640NS-RF internal hard drive Model ST3750640NS-RF View product	B Seagate Enterprise ST4000NM0004-20PK internal hard drive Model ST4000NM0004-20PK View product
Features3 differ
HDD capacityDiffers	750 GB	4 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA II	Serial ATA III
Type	HDD	HDD
Storage drive buffer sizeDiffers	16 MB	128 MB
Read seek timeKnown for one	8.5 ms	Unknown — not stated by the source
Write seek timeKnown for one	9.5 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	0.8 ms	Unknown — not stated by the source
Average latency	4.16 ms	4.16 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
HDD interface transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
HDD sustained transfer rateKnown for one	Unknown — not stated by the source	216 MiB/s
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1400000 h
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentKnown for one	2.8 A	Unknown — not stated by the source
Power consumption (typical)Known for one	Unknown — not stated by the source	9.59 W
Power consumption (idle)Known for one	Unknown — not stated by the source	6 W
Operational conditions3 differ
Operating temperature (T-T)Differs	5 - 55 °C	5 - 60 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating shockDiffers	63 G	40 G
Non-operating shockDiffers	225 G	250 G
Weight & dimensions2 differ
WidthDiffers	101.6 mm	101.8 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
WeightDiffers	720 g	635 g
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	20 pc(s)

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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