Product comparison · 2 internal hard drives

Seagate Enterprise ST4000VN0011-20PK internal hard drive vs Seagate Constellation ST9500622NS-30PK internal hard drive

17specifications compared
12differ
5identical
12known for one product only

Key differences

The Seagate Enterprise ST4000VN0011-20PK internal hard drive has 1" more HDD size than the Seagate Constellation ST9500622NS-30PK internal hard drive (3.5" vs 2.5"). The Seagate Enterprise ST4000VN0011-20PK internal hard drive has 64 MB more storage drive buffer size than the Seagate Constellation ST9500622NS-30PK internal hard drive (128 MB vs 64 MB). The Seagate Enterprise ST4000VN0011-20PK internal hard drive has 3.33 W more power consumption (idle) than the Seagate Constellation ST9500622NS-30PK internal hard drive (6 W vs 2.67 W). HDD capacity: 4 TB on the Seagate Enterprise ST4000VN0011-20PK internal hard drive, 500 GB on the Seagate Constellation ST9500622NS-30PK internal hard drive. Operating voltage: 5 / 12 V on the Seagate Enterprise ST4000VN0011-20PK internal hard drive, 5 V on the Seagate Constellation ST9500622NS-30PK internal hard drive.

HDD capacity
- Enterprise ST4000VN0011-20PK internal hard drive:4 TB
- Constellation ST9500622NS-30PK internal hard drive:500 GB
HDD size
- Enterprise ST4000VN0011-20PK internal hard drive:3.5"
- Constellation ST9500622NS-30PK internal hard drive:2.5"
Storage drive buffer size
- Enterprise ST4000VN0011-20PK internal hard drive:128 MB
- Constellation ST9500622NS-30PK internal hard drive:64 MB
Power consumption (idle)
- Enterprise ST4000VN0011-20PK internal hard drive:6 W
- Constellation ST9500622NS-30PK internal hard drive:2.67 W
Operating voltage
- Enterprise ST4000VN0011-20PK internal hard drive:5 / 12 V
- Constellation ST9500622NS-30PK internal hard drive:5 V
Operating shock
- Enterprise ST4000VN0011-20PK internal hard drive:40 G
- Constellation ST9500622NS-30PK internal hard drive:70 G
Non-operating shock
- Enterprise ST4000VN0011-20PK internal hard drive:300 G
- Constellation ST9500622NS-30PK internal hard drive:400 G
Width
- Enterprise ST4000VN0011-20PK internal hard drive:101.8 mm
- Constellation ST9500622NS-30PK internal hard drive:70.1 mm

Side by side

Differences highlightedShow differences only

Comparison of ST4000VN0011-20PK, ST9500622NS-30PK
29 specifications	A Seagate Enterprise ST4000VN0011-20PK internal hard drive Model ST4000VN0011-20PK View product	B Seagate Constellation ST9500622NS-30PK internal hard drive Model ST9500622NS-30PK View product
Features3 differ
HDD capacityDiffers	4 TB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
Interface	Serial ATA III	Serial ATA III
Type	HDD	HDD
Component forKnown for one	NAS	Unknown — not stated by the source
Storage drive buffer sizeDiffers	128 MB	64 MB
HDD interface transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
HDD sustained transfer rateKnown for one	216 MiB/s	Unknown — not stated by the source
Average latency	4.16 ms	4.16 ms
SMART technologyKnown for one	Yes	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	1200000 h	Unknown — not stated by the source
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
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Power2 differ
Power consumption (idle)Differs	6 W	2.67 W
Power consumption (read)Known for one	9.42 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 V	5 V
Power consumption (typical)Known for one	Unknown — not stated by the source	4.51 W
Operational conditions2 differ
Operating temperature (T-T)	5 - 60 °C	5 - 60 °C
Operating shockDiffers	40 G	70 G
Non-operating shockDiffers	300 G	400 G
Operating vibrationKnown for one	Unknown — not stated by the source	0.5 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	3 G
Weight & dimensions4 differ
WidthDiffers	101.8 mm	70.1 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	26.1 mm	15 mm
WeightDiffers	635 g	183 g
Packaging data1 differ
Quantity per packDiffers	20 pc(s)	30 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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