Product comparison · 2 internal hard drives

Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) vs Acer 120GB 2.5" SATA

15specifications compared
7differ
8identical
4known for one product only

Key differences

The Acer 120GB 2.5" SATA has 1,200 RPM more HDD speed than the Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) (5400 RPM vs 4200 RPM). The Acer 120GB 2.5" SATA has 1.5 ms more average seek time than the Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) (12.5 ms vs 11 ms). The Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option) has 1.5 ms more average latency than the Acer 120GB 2.5" SATA (7.1 ms vs 5.6 ms). Interface: Ultra-ATA/133 on the Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option), Serial ATA on the Acer 120GB 2.5" SATA. Storage temperature (T-T): -40 - 65 °C on the Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option), -40 - 70 °C on the Acer 120GB 2.5" SATA.

HDD speed
- 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option):4200 RPM
- 120GB 2.5" SATA:5400 RPM
Interface
- 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option):Ultra-ATA/133
- 120GB 2.5" SATA:Serial ATA
Average seek time
- 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option):11 ms
- 120GB 2.5" SATA:12.5 ms
Average latency
- 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option):7.1 ms
- 120GB 2.5" SATA:5.6 ms
Storage temperature (T-T)
- 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option):-40 - 65 °C
- 120GB 2.5" SATA:-40 - 70 °C
Weight
- 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option):99 g
- 120GB 2.5" SATA:100 g
Drive device, transfer rate
- 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option):380 MB/s
- 120GB 2.5" SATA:150 MB/s

Side by side

Differences highlightedShow differences only

Comparison of 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option), 120GB 2.5" SATA
19 specifications	A Acer 120GB 2.5" 4200rpm HGST HTS421212H9AT00 (ROHS) (option)View product	B Acer 120GB 2.5" SATA View product
Features4 differ
HDD speedDiffers	4200 RPM	5400 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
InterfaceDiffers	Ultra-ATA/133	Serial ATA
TypeKnown for one	Unknown — not stated by the source	HDD
Average seek timeDiffers	11 ms	12.5 ms
Average latencyDiffers	7.1 ms	5.6 ms
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 V
Operational conditions1 differ
Storage temperature (T-T)Differs	-40 - 65 °C	-40 - 70 °C
Operating shockKnown for one	Unknown — not stated by the source	250 G
Weight & dimensions1 differ
WeightDiffers	99 g	100 g
Other features1 differ
Drive device, transfer rateDiffers	380 MB/s	150 MB/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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