HP Gtech G-Technology G-Drive Mobile 1 Tb External Hard Drive DC7800 Read speeds Access time

QuickSpecs

HP Compaq dc7800 Business PC

Technical Specifications - Optical Storage

Read speeds

Access time

(typical reads, including settling)

CD-R

CD-RW DVD-RAM DVD-RW, DVD+RW DVD-R DL, DVD+R DL DVD+R, DVD-R

DVD-ROM DL, DVD-

ROM CD-ROM, CD-R CD-RW Random

Full Stroke

Stop Time

Cache Buffer

Data Transfer Modes

Up to 24X

Up to 16X

Up to 5X

Up to 8X

Up to 6X

Up to 8X

Up to 8X

Up to 24X Up to 24X

DVD: < 140 ms (typical), CD: < 125 ms (typical)

DVD: < 250 ms (seek), CD: < 210 ms (seek) < 4 seconds

2 MB (minimum)

ATA PIO mode 4 (16.7 MB/s); ATA Multi-word DMA mode 2 (16.7 MB/s); ATA UltraDMA Mode 3 (44.4 MB/s - default)

Power	Source
	DC Power Requirement
	DC Current

	Total Drive Power
	(standby mode)
Audio output	Line-Out
	Signal-to-Noise Ratio
	Channel Separation

Environmental conditions Temperature

(operating – non- Relative Humidity condensing)

Maximum Wet Bulb

Temperature

Four-pin, DC power receptacle

5 VDC ± 5%-100 mV ripple p-p

12 VDC ± 5%-200 mV ripple p-p

5 VDC (< 1000 mA typical, 1600 mA maximum)

12 VDC (< 600 mA typical, 1400 mA maximum)

< 2.5 Watt

0.7VRMS

74 dB

65 dB

41° to 122° F (5° to 50° C) 10% to 90%

86° F (30° C)

DA - 12744 North America — Version 25 — May 16, 2008 Page 55