i have a DELL LATTITUDE E4310 for sale, Brands new one. You can call me on this number 07084066803.

Below are the spec:

Dell Latitude E4310 Specifications
Dell Latitude E4310 Specifications

Display
Diagonal Size : 13.3"
Max Resolution : 1366x768
Technology : WLED Anti-Glare LED display

Graphics Card
Intel® HD Graphics with dynamic frequency

Processor
Type : Intel® CoreTM i7 620M
Speed : 2.67 GHz with turbo boost up to 3.33 GHz
Cache : 4 MB

Type : Intel® CoreTM i5 560M
Speed : 2.67 GHz with turbo boost up to 3.2 GHz
Cache : 3 MB

Type : Intel® CoreTM i3 370M
Speed : 2.4 GHz
Cache : 3 MB

Chipset
Mobile Intel® QS57 Express Chipset

Memory
Up to 8GB DDR3 SDRAM 1333Mhz - 2 DIMMS

Hard Drive
Up to 320GB 7200rpm
Up to 160GB 5400rpm

Solid State Drive
Up to 256GB

Optical Drive
DVD-ROM
DVD+/-RW
Blu-Ray
Travel Lite Module

Mobile Broadband
Dell Wireless 5620 (EVDO+HSPA+AGPS) Mini Card
Dell Wireless 5540 (EVDO+HSPA+AGPS) Mini Card

Communication
Modem : 56K v92 External Modem (optional)
LAN : 10/100/1000 Gigabit Ethernet
WLAN :
Dell Wireless 1501 [802.11n (2x2)]
Dell Wireless 1520 (802.11n 2x2)
Intel® WiFi Link 6200 [802.11n (2x2)]
Intel WiFi Link 6300 [802.11n (3x3)]
Intel WiMAX/WiFi Link 6250 [16e and 802.11n (2x2)]
Bluetooth : Dell Wireless 375 Bluetooth®

Input
Dual pointing keyboard
Dual pointing backlit keyboard (optional)
Fingerprint reader (optional)

Audio
Stereo Speakers
Stereo headphone / Microphone combo jack
Integrated microphone
Integrated array microphone (optional)

Interface
1 x Network connector (RJ-45)
1 x USB 2.0
1 x eSATA/USB 2.0 Combo
1 x Headphone/speaker out/Microphone in combo
1 x Docking Connector
1 x VGA

Slots
Card Reader : 7-in-1 card reader
34 mm ExpressCard
SmartCard Reader and Contactless SmartCard Reader (optional)

Camera
Integrated 2.0 Mega pixel webcam
Dell Webcam Central software (optional)

Power
Battery :
3-cell 30Whr
6-cell 60Whr Li-Ion featuring ExpressCharge™
6-cell 54Whr Li-Ion
6-cell 48Whr Li-Ion battery slice

Adapter :
65W AC Adapter with cord wrapping
90W Auto/Air DC adapter (optional)

Security
Steel-reinforced Cable Lock Slots
Media Module and Hard Drive Locks
Fingerprint Reader
FIPS Fingerprint Reader (optional)
TPM 1.2
Encrypted Hard Drive provides full disk encryption (optional)
ControlVault – secure credential management within a trusted boundary
802.11 Wi-Fi Protected Access (WPA)
802.11i (WPA2)
Virtual Private Networks (VPN) 802.1x with EAP modes and compatible with CCX 4.0

Operating System
Genuine Windows® 7 Professional
Genuine Windows® 7 Home Premium
Genuine Windows® 7 Ultimate
Genuine Windows® 7 Professional 64-bit

Dimensions and Weight
Width : 323 mm (12.71"
Depth : 215 mm (8.46"
Height : 26.5 - 30.6 mm (1.1 - 1.2"
Weight : Starting at 1.54 kg (3.4 lbs) (with 3-cell battery)