Product comparison · 2 internal hard drives

Dell 900GB SAS 10K SFF vs HP Promo 1TB 7200rpm SATA

Key differences

HDD capacity
- 900GB SAS 10K SFF:900 GB
- Promo 1TB 7200rpm SATA:1 TB
HDD speed
- 900GB SAS 10K SFF:10000 RPM
- Promo 1TB 7200rpm SATA:7200 RPM
HDD size
- 900GB SAS 10K SFF:2.5"
- Promo 1TB 7200rpm SATA:3.5"
Interface
- 900GB SAS 10K SFF:SAS
- Promo 1TB 7200rpm SATA:Serial ATA III
Operating voltage
- 900GB SAS 10K SFF:5 V
- Promo 1TB 7200rpm SATA:5 / 12 V
Operating temperature (T-T)
- 900GB SAS 10K SFF:0 - 60 °C
- Promo 1TB 7200rpm SATA:5 - 55 °C

Differences highlightedShow differences only

Comparison of 900GB SAS 10K SFF, Promo 1TB 7200rpm SATA
20 specifications	A Dell 900GB SAS 10K SFF View product	B HP Promo 1TB 7200rpm SATA View product
Features4 differ
HDD capacityDiffers	900 GB	1 TB
HDD speedDiffers	10000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA III
Component forKnown for one	Server/workstation	Unknown — not stated by the source
TypeKnown for one	Unknown — not stated by the source	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	32 MB
Full stroke seek timeKnown for one	Unknown — not stated by the source	21 ms
Average latencyKnown for one	Unknown — not stated by the source	11 ms
SMART technologyKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °C
Storage temperature (T-T)Known for one	-40 - 65 °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 - 90%	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717050	Unknown — not stated by the source
Other featuresidentical
Data transfer rate	6 Gbit/s	6 Gbit/s
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
HeightKnown for one	Unknown — not stated by the source	25.4 mm

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.