Product comparison · 2 internal hard drives

Seagate S-series ST4000NC000-RF internal hard drive vs Seagate Savvio ST9450404SS-RF internal hard drive

16specifications compared
12differ
4identical
16known for one product only

Key differences

The Seagate Savvio ST9450404SS-RF internal hard drive has 4,100 RPM more HDD speed than the Seagate S-series ST4000NC000-RF internal hard drive (10000 RPM vs 5900 RPM). The Seagate S-series ST4000NC000-RF internal hard drive has 1" more HDD size than the Seagate Savvio ST9450404SS-RF internal hard drive (3.5" vs 2.5"). The Seagate S-series ST4000NC000-RF internal hard drive has 48 MB more storage drive buffer size than the Seagate Savvio ST9450404SS-RF internal hard drive (64 MB vs 16 MB). HDD capacity: 4 TB on the Seagate S-series ST4000NC000-RF internal hard drive, 450 GB on the Seagate Savvio ST9450404SS-RF internal hard drive. Interface: Serial ATA III on the Seagate S-series ST4000NC000-RF internal hard drive, SAS on the Seagate Savvio ST9450404SS-RF internal hard drive.

HDD capacity
- S-series ST4000NC000-RF internal hard drive:4 TB
- Savvio ST9450404SS-RF internal hard drive:450 GB
HDD speed
- S-series ST4000NC000-RF internal hard drive:5900 RPM
- Savvio ST9450404SS-RF internal hard drive:10000 RPM
HDD size
- S-series ST4000NC000-RF internal hard drive:3.5"
- Savvio ST9450404SS-RF internal hard drive:2.5"
Interface
- S-series ST4000NC000-RF internal hard drive:Serial ATA III
- Savvio ST9450404SS-RF internal hard drive:SAS
Storage drive buffer size
- S-series ST4000NC000-RF internal hard drive:64 MB
- Savvio ST9450404SS-RF internal hard drive:16 MB
HDD number of heads
- S-series ST4000NC000-RF internal hard drive:8
- Savvio ST9450404SS-RF internal hard drive:3
Read seek time
- S-series ST4000NC000-RF internal hard drive:12 ms
- Savvio ST9450404SS-RF internal hard drive:4.08 ms
Write seek time
- S-series ST4000NC000-RF internal hard drive:12 ms
- Savvio ST9450404SS-RF internal hard drive:4.65 ms

Side by side

Differences highlightedShow differences only

Comparison of ST4000NC000-RF, ST9450404SS-RF
32 specifications	A Seagate S-series ST4000NC000-RF internal hard drive Model ST4000NC000-RF View product	B Seagate Savvio ST9450404SS-RF internal hard drive Model ST9450404SS-RF View product
Features8 differ
HDD capacityDiffers	4 TB	450 GB
HDD speedDiffers	5900 RPM	10000 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA III	SAS
Type	HDD	HDD
Storage drive buffer sizeDiffers	64 MB	16 MB
HDD number of headsDiffers	8	3
Read seek timeDiffers	12 ms	4.08 ms
Write seek timeDiffers	12 ms	4.65 ms
Average seek timeKnown for one	12 ms	Unknown — not stated by the source
SMART technologyKnown for one	Yes	Unknown — not stated by the source
Bytes per sectorKnown for one	4096	Unknown — not stated by the source
Refurbished	Yes	Yes
Mean time between failures (MTBF)Known for one	800000 h	Unknown — not stated by the source
Average latencyKnown for one	Unknown — not stated by the source	3 ms
Poweridentical
Power consumption (typical)Known for one	6.49 W	Unknown — not stated by the source
Power consumption (standby)Known for one	0.77 W	Unknown — not stated by the source
Power consumption (idle)Known for one	4.59 W	Unknown — not stated by the source
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 60 °C	5 - 55 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
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 shockKnown for one	Unknown — not stated by the source	40 G
Weight & dimensions3 differ
WidthDiffers	101.8 mm	70 mm
HeightDiffers	26.1 mm	14.8 mm
WeightDiffers	606 g	208 g
DepthKnown for one	Unknown — not stated by the source	100.2 mm
Other featuresidentical
Data transfer rate	6 Gbit/s	6 Gbit/s
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	70 x 100.2 x 14.8 mm
Disks included quantityKnown for one	Unknown — not stated by the source	3 pc(s)
InternalKnown for one	Unknown — not stated by the source	Yes

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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