Product comparison · 2 internal hard drives

Seagate U-series ST320014A-RFB internal hard drive vs Seagate Momentus ST9120822A-RFB internal hard drive

15specifications compared
10differ
5identical
31known for one product only

Key differences

HDD capacity
- U-series ST320014A-RFB internal hard drive:20 GB
- Momentus ST9120822A-RFB internal hard drive:120 GB
HDD size
- U-series ST320014A-RFB internal hard drive:3.5"
- Momentus ST9120822A-RFB internal hard drive:2.5"
Storage drive buffer size
- U-series ST320014A-RFB internal hard drive:2 MB
- Momentus ST9120822A-RFB internal hard drive:8 MB
HDD number of heads
- U-series ST320014A-RFB internal hard drive:1
- Momentus ST9120822A-RFB internal hard drive:3
Power consumption (standby)
- U-series ST320014A-RFB internal hard drive:1.2 W
- Momentus ST9120822A-RFB internal hard drive:0.2 W
Operating voltage
- U-series ST320014A-RFB internal hard drive:5 / 12 V
- Momentus ST9120822A-RFB internal hard drive:5 V
Width
- U-series ST320014A-RFB internal hard drive:101.9 mm
- Momentus ST9120822A-RFB internal hard drive:69.8 mm
Depth
- U-series ST320014A-RFB internal hard drive:147 mm
- Momentus ST9120822A-RFB internal hard drive:100.2 mm

Side by side

Differences highlightedShow differences only

Comparison of ST320014A-RFB, ST9120822A-RFB
46 specifications	A Seagate U-series ST320014A-RFB internal hard drive Model ST320014A-RFB View product	B Seagate Momentus ST9120822A-RFB internal hard drive Model ST9120822A-RFB View product
Features4 differ
HDD capacityDiffers	20 GB	120 GB
HDD speed	5400 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
Interface	Ultra-ATA/100	Ultra-ATA/100
Type	HDD	HDD
Storage drive buffer sizeDiffers	2 MB	8 MB
HDD number of headsDiffers	1	3
Read seek timeKnown for one	18 ms	Unknown — not stated by the source
Write seek timeKnown for one	24.9 ms	Unknown — not stated by the source
Full stroke seek timeKnown for one	42 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	1.2 ms	Unknown — not stated by the source
Average seek timeKnown for one	12.7 ms	Unknown — not stated by the source
SMART technologyKnown for one	Yes	Unknown — not stated by the source
Bytes per sector	512	512
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	600000 h	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Laptop
Access timeKnown for one	Unknown — not stated by the source	12.5 ms
Average latencyKnown for one	Unknown — not stated by the source	5.6 ms
Power2 differ
Power consumption (typical)Known for one	6 W	Unknown — not stated by the source
Power consumption (standby)Differs	1.2 W	0.2 W
Power consumption (idle)Known for one	4.5 W	Unknown — not stated by the source
Power consumption (read)Known for one	5.5 W	Unknown — not stated by the source
Power consumption (write)Known for one	5.5 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 V	5 V
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating vibrationKnown for one	0.5 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	5 G	Unknown — not stated by the source
Operating altitudeKnown for one	-60.96 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-121.92 - 12192 m	Unknown — not stated by the source
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	101.9 mm	69.8 mm
DepthDiffers	147 mm	100.2 mm
HeightDiffers	20 mm	9.5 mm
WeightDiffers	455 g	102 g
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717050	Unknown — not stated by the source
Other featuresidentical
Drive ready timeKnown for one	7 s	Unknown — not stated by the source
HDD transfer rateKnown for one	Unknown — not stated by the source	100 Mbit/s
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	69.85 x 100.2 x 9.5 mm
InternalKnown for one	Unknown — not stated by the source	Yes
Sustained data rateKnown for one	Unknown — not stated by the source	44 MB/s
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 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.

More internal hard drive comparisons

All internal hard drive comparisons