At least 2 GB

Lenovo ThinkPad W520 4276-3JU Notebook PC - Intel Core i7-2760QM 2.4GHz, 8GB DDR3, 500GB HDD, DVDRW, 15.6 Full HD, Windows 7 Professional 64-bit

ThinkPad W520 427637U ( 15.6 FHD, LED Backlight, WWAN Capable, Mobile Intel 6 Series chipset, Intel QM67, NVIDIA N12P-Q1 Quadro 1000M, 720p HD Camera, Integrated Bluetooth Wireless, Trackpoint and Touchpad with Fingerprint Reader, Intel Core i7-2720M processor, 500 GB / 7200 rpm HDD, DVD CD Multi Burner, Express Card Slot & 4 in 1 Card Reader, 8 GB (4 GB x 2) memory, Integrated Mobile Broadband - Upgradable, Intel Centrino Advanced-N 6205, Modem Daughter Card and RJ11 port, Genuine Windows 7 Professional 64, 9-cell Li-Ion battery - 55++) 3-Year Depot/Courier or mail-in/Carry-in Topseller

14 business-class Ultrabook™ with 10-Finger Touch, robust security, multimedia, WWAN support, & more. Specifications: Processor - Intel Core i7-3667U (4M Cache, up to 3.20 GHz), Operating System - Windows 8 Pro 64, Memory - 8 GB PC3-10600 DDR3L SDRAM 1333MHz SODIMM Memory (1 DIMM), Graphics Card - Intel Core i7-3667U Processor (up to 3.20 GHz, 4MB L3, 8GB 1333MHz DDR3L On Board) MultiTouch, Hard Drive - 180 GB Solid State Drive, Serial ATA3

14 business-class Ultrabook™ with 10-Finger Touch, robust security, multimedia, WWAN support, & more. Specifications: Processor - Intel Core i5-3427U (3M Cache, up to 2.80 GHz), Operating System - Windows 8 64, Memory - 4 GB PC3-10600 DDR3L SDRAM 1333MHz SODIMM Memory (1 DIMM), Graphics Card - Intel Core I5-3427U Processor (up to 2.80 GHz, 3MB L3, 4GB 1333MHz DDR3L On Board) MultiTouch, Hard Drive - 128GB Solid State Drive, SATA3

ThinkPad T430s Laptop Specifications: Processor - Intel Core i5-3230M (3M Cache, up to 3.20 GHz) on Mother Board, Operating System - Windows 8 Pro 64, Memory - 4 GB DDR3 - 1600MHz (1 DIMM), Graphics Card - NVIDIA Optimus Graphics (NVS 5200M, 1GB), Intel Core i5-3230M Processor (3M Cache, up to 3.20 GHz), Hard Drive - 320GB Hard Disk Drive, 7200rpm

A 14 gaming and multimedia powerhouse. Specifications: Processor - 3rd Generation Intel Core i7-3630QM ( 2.40GHz 1600MHz 6MB), Operating System - Windows 8 64, Memory - 8.0GB PC3-12800 DDR3 SDRAM 1600 MHz, Graphics Card - NVIDIA GeForce GT650M GDDR5 2GB, Hard Drive - 1TB 5400RPM+16GB SSD

A 15.6 gaming and multimedia powerhouse. Specifications: Processor - 3rd Generation Intel Core i7-3630QM ( 2.40GHz 1600MHz 6MB), Operating System - Windows 8 64, Memory - 8.0GB PC3-12800 DDR3 SDRAM 1600 MHz, Graphics Card - NVIDIA GeForce GT650M GDDR5 2GB, Hard Drive - 1TB 5400 RPM

Affordable 17.3 notebook. Specifications: Processor - 3rd Generation Intel Core i7-3520M ( 2.90GHz 1600MHz 4MB), Operating System - Windows 8 64, Memory - 8.0GB PC3-12800 DDR3 SDRAM 1600 MHz, Graphics Card - Intel HD Graphics 4000, Hard Drive - 1TB 5400 RPM

12.5 ultraportable packed with power for mobility on-the-go. Specifications: Processor - Intel Core i5-3230M (3M Cache, up to 3.20 GHz) on Mother Board, Operating System - Windows 7 Home Premium (64 bit), Memory - 4 GB DDR3 - 1600MHz (1 DIMM), Graphics Card - Intel Core i5-3230M Processor (3M Cache, up to 3.2 GHz) with IntelHD Graphics 4000, Hard Drive - 320GB Hard Disk Drive, 7200rpm

11.6 powerhouse, customizable & designed for durability in the rigorous K-12 education environment. Specifications: Processor - Intel Core i3-3227U (3M Cache, 1.90 GHz) on Mother Board, Operating System - Windows 7 Professional (64 bit), Memory - 4 GB DDR3 - 1600MHz (1 DIMM), Graphics Card - Intel GMA HD Gfx 4000, Intel Core i3-3227U ULV Processor (1.9GHz, 3MB L3, 1600MHz DDR3), Hard Drive - 320GB Hard Disk Drive, 7200rpm

Lenovo ThinkPad T510 4349 2.66GHz Intel Core i7-620M 4GB 320GB DVD+/-RW 15.6 Windows 7 Pro 4349W9G

The world's first multi-mode Ultrabook. Specifications: Processor - 3rd generation Intel Core i5-3337U ( 1.80GHz 1600MHz 3MB), Operating System - Windows 8 64, Memory - 8.0GB PC3-12800 DDR3 SDRAM 1600 MHz, Graphics Card - Intel HD Graphics 4000, Hard Drive - 128GB SSD

Refined Elegance.Clean lines. Polished metal accents. Bold color options. ThinkPad Edge dares to be different. Several models include a choice between the eye-popping Heatwave Red, sedate Midnight Black and Brushed Aluminum Black, all with a chrome accent.Thin and light, models start at just 4.74 lbs, with a choice of 14- and 15.6-inch LED widescreen panels. Give your small business an edge with our progressive, eloquent ThinkPad Edge. Operating System: - Windows® 7 Professional 64bit with optional Media Upgrade to Windows 8 Graphics: - Integrated Intel HD Graphics Display: - 15.6 HD Anti-Glare LED-Backlit Display - 1366 x 768 Native Resolution Audio and Speakers: - Integrated Speakers Networking, Wi-Fi, and Wireless Options: - 802.11b/g/n wireless LAN with Bluetooth Optical Drive: -Super... Less

Powerful 14 Ultrabook for small to medium business; durable, yet lightweight, tons of storage, vivid graphics, and SMB software. Specifications: Processor - Intel Core i5-3427U (3M Cache, up to 2.80 GHz), Operating System - Windows 7 Home Premium (64 bit), Memory - 4 GB DDR3 - 1600MHz (1 DIMM), Graphics Card - Intel HD Graphics 4000, Intel Core Processor i5-3427U, Hard Drive - 320GB Hard Disk Drive, 7200rpm

11.6 powerhouse, customizable & designed for durability in the rigorous K-12 education environment. Specifications: Processor - AMD Vision E1-1200 (1MB L2, 1.40GHz), Operating System - Windows 7 Professional (64 bit), Memory - 4 GB DDR3 - 1600MHz (1 DIMM), Graphics Card - AMD Radeon HD 7xxx Graphics, AMD Fusion Processor E1-1200 (1MB L2, 1.40GHz), Hard Drive - 320GB Hard Disk Drive, 7200rpm