Lenovo
®
recommends Windows
8 Pro.
OPERATING SYSTEM PROCESSOR DISPLAY
Windows 8 standard
Windows 8 Pro
Windows 8 Pro Downgrade
Windows® 7 Home Premium
Windows® 7 Professional 64-bit
Ubuntu Linux (PRC only)
Intel® Core™ i3-2348M Processor (2.30GHz, 3MB
Cache, 1333MHz)
Intel® Core™ i3-3120M Processor (2.50 GHz, 3MB
Cache, 1600MHz)
Intel® Core™ i3-3130M Processor (2.60GHz, 3MB
Cache, 1600MHz)
Intel® Core™ i5-3230M Processor (2.60 GHz, 3MB
Cache, 1600MHz)
Intel® Core™ i5-3340M Processor (2.70 GHz, 3MB
Cache, 1600MHz)
Intel® Core™ i7-3632QM Processor (2.20 GHz, 6MB
Cache, 1600MHz)
Intel® Pentium Dual Core 2030M Processor (2.50GHz,
2MB Cache, 1600MHz)
Intel® Celeron 1000M Processor (1.80GHz, 2MB
Cache, 1600MHz)
E431
14.0” HD Vibrant View and Antiglare Display (1366 x 768)
(200 NITS)
14.0 HD+ Antiglare Display (1600 x 900) (250 NITS)
Optional touch screen on HD and HD+ Display
E531
15.6” HD Antiglare Display (1366 x 768) (200 NITS)
15.6” FHD Antiglare Display (1920 x 1080) (300 NITS)
Optional touch screen on HD Display (SOVP = 6/25)
GRAPHICS WEBCAM MEMORY
Integrtaed Intel® HD Graphics 4000/3000 and
HD Graphics (Celeron/Pentium)
NVIDIA® GeForce® N14m-GL 710M + 1 GB
VRAM
NVIDIA® GeForce® NV14P-GV2 GT740M + 2 GB
VRAM
720p HD face-tracking technology, low light sensitive Up to 16 GB Max DDR3 (2 DIMM Slots)
BATTERY / BATTERY LIFE DIMENSIONS (W X D X H) WEIGHT
<> Cell – Rapid Charge
<> Cell (<> Ah)
Up to 8 hours (with 62 Whr battery Safeguard
Hardware Authentication)
E431
344mm x 239mm x 25mm
(13.54” x 9.40” x 0.98”)
E531
377mm x 250mm x 25mm
(14.84” x 9.84” x 0.98”)
E431
2.14 kg (4.7 lbs)
E531
2.44 kg (5.4 lbs)
KEYBOARD AUDIO WIRELESS
E431
Windows 8 optimized Island Keyboard
E531
Windows 8 optimized Island Keyboard with
numeric keypad
Dolby® Advanced Audio with Stereo speakers
Built-in dual array microphone (combo jack)
ThinkPad bgn Wireless BT Combo (1x1 BGN & BT4.0)
Intel® Centrino® Wireless-N 2230 (2x2) BGN +BT BLE
Jackson Peak 1 (HMC)
ThinkPad abgn Wireless BT Combo (2x2 ABGN &
BT4.0)
ETHERNET WWAN BLUETOOTH®
Gigabit Ethernet Integrated Mobile Broadband (N5321 Ericsson) Yes
NAVIGATION OPTICAL DRIVE
5-button TouchPad Yes
I/O (INPUT/OUTPUT) PORTS STORAGE
(1) VGA
(1) HDMI
(<>) 3.5mm Combo Jack Headphone/MIC
(2) USB 3.0
(1) Always on USB 2.0
(1) 4-in-1 SD Card Reader
(<>) Express Card 34mm
(<>) Smart Card Reader
(1) Lenovo OneLink Technology
HDD
Up to 1 TB 5400rpm (9.5mm)
SSD
128 GB
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