HP PROBOOK 4720S - External Component Identification; Top Components

15.6-inch LED HD (1366
x 768) BrightView
Dimensions (W x H) 13.54 x 7.59 in (34.4 x 19.4 cm)
Diagonal Size 15.6 in (39.6cm)
Surface Treatment BrightView (glossy)
Contrast Ratio 500:1 (typical)
Refresh Rate 60 Hz
Brightness 200 nit (typical)
Pixel Resolution Pitch 0.252 mm
Format 1366 x 768
Configuration RGB Stripe
Backlight LED
PPI 101 ppi
Viewing Angle ±30° Horizontal, ±10° Vertical (minimum)
30/30/20/10 (Left/Right/Down/Up) (minimum) or
45/45/35/25 (Left/Right/Down/Up) (typical)
Internal Storage
750 GB 5400 rpm SATA
Hard Drive
Drive Weight 0.27 lb (125 g)
Capacity 750 GB
Height 0.50 in (12.7 mm)
Width 2.75 in (70 mm)
Interface ATA-8, SATA 2.6, 3.0 Gb/s, NCQ
Transfer Rate Synchronous (maximum) 150 MB/s (Drive Capability)
Seek Time
(typical reads, including
settling)
Single Track 2 ms
Average 12ms
Maximum 22 ms
Rotational Speed 5400 rpm
Logical Blocks 1,465,149,168
Operating Temperature 32° to 140° F (0° to 60° C) [case temp]
Features ATA Security
QuickSpecs
HP ProBook 4520s Notebook PC HP ProBook
4720s Notebook PC
Technical Specifications
DA - 13569 Worldwide QuickSpecs — Version 2 — 3.12.2010 Page 20