Category
Description
4540s
(UMA)
4540s
(Disc)
4440s
(UMA)
4440s/
4441s
(Disc)
RJ-45 (Ethernet, includes link and activity lights)
√
√
√
√
USB
3.0
(2)
√
√
√
√
USB
2.0
(2)
√
√
√
√
VGA (Dsub 15-pin) supporting 1600 × 1200
external resolution at 75-GHz (hot plug/unplug with
auto-detect)
√
√
√
√
HDMI
√
√
√
√
Multi-pin
AC
port
√
√
√
√
Keyboard/pointing
devices
Full-sized keyboard
√
√
√
√
Numeric
keypad
√
√
Touchpad includes: supports 2-way scroll with
legend, taps enabled by default, 2-finger scrolling
and zoom enabled by default
√
√
√
√
Power requirements
Smart AC adapter with localized cable plug support
(3-wire plug with ground pin):
√
√
√
√
90-W
√
√
65-W
√
√
9-cell, 93-Wh Li-ion battery
√
√
√
√
6-cell, 47-Wh Li-ion battery
√
√
√
√
Security
Integrated fingerprint reader
√
√
√
√
Intel
AT
support
√
√
√
√
Support Kensington security lock
√
√
√
√
Support no fingerprint reader option
√
√
√
√
Operating system
Preinstalled:
Windows 7 Professional 64 with Microsoft Basics
√
√
√
√
Windows 7 Professional 32 with Microsoft Basics
(Japan only)
√
√
Windows 7 Home Premium 64 with Microsoft
Basics
√
√
√
√
Windows 8 Professional 64-bit Digital Product Key
(DPK) with Windows 7 Professional Microsoft
Basics
√
√
√
√
Windows 8 Professional 32-bit Digital Product Key
with Windows 7 Professional Microsoft Basics
√
√
Windows 8 Multi-language (ML) 64-bit with
Microsoft Basics
√
√
√
√
Windows 8 Professional 64-bit with Microsoft
Basics
√
√
√
√
5
