Product comparison · 2 internal hard drives

Seagate Enterprise ST300MX0042-30PK internal hard drive vs Seagate Desktop HDD ST3750640NS-RF internal hard drive

14specifications compared
12differ
2identical
14known for one product only

Key differences

The Seagate Desktop HDD ST3750640NS-RF internal hard drive has 450 GB more HDD capacity than the Seagate Enterprise ST300MX0042-30PK internal hard drive (750 GB vs 300 GB). The Seagate Enterprise ST300MX0042-30PK internal hard drive has 7,800 RPM more HDD speed than the Seagate Desktop HDD ST3750640NS-RF internal hard drive (15000 RPM vs 7200 RPM). The Seagate Desktop HDD ST3750640NS-RF internal hard drive has 1" more HDD size than the Seagate Enterprise ST300MX0042-30PK internal hard drive (3.5" vs 2.5"). Interface: SAS on the Seagate Enterprise ST300MX0042-30PK internal hard drive, Serial ATA II on the Seagate Desktop HDD ST3750640NS-RF internal hard drive. Type: Hybrid-HDD on the Seagate Enterprise ST300MX0042-30PK internal hard drive, HDD on the Seagate Desktop HDD ST3750640NS-RF internal hard drive.

HDD capacity
- Enterprise ST300MX0042-30PK internal hard drive:300 GB
- Desktop HDD ST3750640NS-RF internal hard drive:750 GB
HDD speed
- Enterprise ST300MX0042-30PK internal hard drive:15000 RPM
- Desktop HDD ST3750640NS-RF internal hard drive:7200 RPM
HDD size
- Enterprise ST300MX0042-30PK internal hard drive:2.5"
- Desktop HDD ST3750640NS-RF internal hard drive:3.5"
Interface
- Enterprise ST300MX0042-30PK internal hard drive:SAS
- Desktop HDD ST3750640NS-RF internal hard drive:Serial ATA II
Type
- Enterprise ST300MX0042-30PK internal hard drive:Hybrid-HDD
- Desktop HDD ST3750640NS-RF internal hard drive:HDD
Storage drive buffer size
- Enterprise ST300MX0042-30PK internal hard drive:128 MB
- Desktop HDD ST3750640NS-RF internal hard drive:16 MB
Average latency
- Enterprise ST300MX0042-30PK internal hard drive:2 ms
- Desktop HDD ST3750640NS-RF internal hard drive:4.16 ms
Operating voltage
- Enterprise ST300MX0042-30PK internal hard drive:5 V
- Desktop HDD ST3750640NS-RF internal hard drive:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of ST300MX0042-30PK, ST3750640NS-RF
28 specifications	A Seagate Enterprise ST300MX0042-30PK internal hard drive Model ST300MX0042-30PK View product	B Seagate Desktop HDD ST3750640NS-RF internal hard drive Model ST3750640NS-RF View product
Features7 differ
HDD capacityDiffers	300 GB	750 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA II
TypeDiffers	Hybrid-HDD	HDD
Storage drive buffer sizeDiffers	128 MB	16 MB
Hybrid-HDD cache memoryKnown for one	32 GB	Unknown — not stated by the source
HDD interface transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
HDD sustained transfer rateKnown for one	246 MiB/s	Unknown — not stated by the source
HDD number of headsKnown for one	4	Unknown — not stated by the source
Average latencyDiffers	2 ms	4.16 ms
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9.5 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	0.8 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Power1 differ
Power consumption (typical)Known for one	8.4 W	Unknown — not stated by the source
Power consumption (idle)Known for one	4.8 W	Unknown — not stated by the source
Operating voltageDiffers	5 V	5 / 12 V
Start-up currentKnown for one	Unknown — not stated by the source	2.8 A
Operational conditionsidentical
Operating temperature (T-T)	5 - 55 °C	5 - 55 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating shockKnown for one	Unknown — not stated by the source	63 G
Non-operating shockKnown for one	Unknown — not stated by the source	225 G
Weight & dimensions4 differ
WidthDiffers	70.1 mm	101.6 mm
DepthDiffers	100.5 mm	147 mm
HeightDiffers	15 mm	26.1 mm
WeightDiffers	225 g	720 g
Packaging dataidentical
Quantity per packKnown for one	30 pc(s)	Unknown — not stated by the source

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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