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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
√√√√
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