Product comparison · 2 internal hard drives

Seagate Barracuda 7200.11 SATA II 1TB vs TERRA 2.5" SATA Harddisk 250 GB

Key differences

HDD capacity
- Barracuda 7200.11 SATA II 1TB:1 TB
- TERRA 2.5" SATA Harddisk 250 GB:250 GB
HDD speed
- Barracuda 7200.11 SATA II 1TB:7200 RPM
- TERRA 2.5" SATA Harddisk 250 GB:5400 RPM
HDD size
- Barracuda 7200.11 SATA II 1TB:3.5"
- TERRA 2.5" SATA Harddisk 250 GB:2.5"
Interface
- Barracuda 7200.11 SATA II 1TB:Serial ATA II
- TERRA 2.5" SATA Harddisk 250 GB:Serial ATA
Operating voltage
- Barracuda 7200.11 SATA II 1TB:5 / 12 V
- TERRA 2.5" SATA Harddisk 250 GB:5 V

Differences highlightedShow differences only

Comparison of Barracuda 7200.11 SATA II 1TB, TERRA 2.5" SATA Harddisk 250 GB
14 specifications	A Seagate Barracuda 7200.11 SATA II 1TB View product	B TERRA TERRA 2.5" SATA Harddisk 250 GB View product
Features4 differ
HDD capacityDiffers	1 TB	250 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA
Storage drive buffer sizeKnown for one	32 MB	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Weight & dimensionsidentical
WidthKnown for one	101.8 mm	Unknown — not stated by the source
DepthKnown for one	147 mm	Unknown — not stated by the source
HeightKnown for one	26.1 mm	Unknown — not stated by the source
Other featuresidentical
Internal	Yes	Yes
Minimum system requirementsKnown for one	Unknown — not stated by the source	PC
Mac compatibilityKnown for one	Unknown — not stated by the source	No
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
USB requiredKnown 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.