DELL Inspiron 17 3721 Laptop Tech Specs

Intel Celeron 887 processor (2M Cache, 1.5 GHz) (region-specific option)
Intel Pentium  997 processor (2M Cache, 1.6 GHz) (region-specific option)
3rd Generation Intel Core i3-3217U processor (3M Cache, 1.8 GHz) (std/base)
3rd Generation Intel Core i5-3317U processor (3M Cache, up to 2.6 GHz) (opt)
3rd Generation Intel Core i7-3517U processor (4M Cache, up to 3.0 GHz) (opt)

Windows 8
Windows 8 Pro
Windows 8 Single Language (Emerging Markets)

2GB Shared Dual Channel DDR3 1600 MHz Memory 
4GB Shared Dual Channel DDR3 1600 MHz Memory
6GB Shared Dual Channel DDR3 1600 MHz Memory
8GB Shared Dual Channel DDR3 1600 MHz Memory

Mobile Intel HM76 Express Chipset

Intel HD Graphics (for Intel Celeron & Pentium processors)
Intel HD Graphics 4000 (for 3rd Gen Intel CoreTM i3, i5, i7 processors)
AMD Radeon HD7670M with 1GB DDR3 VRAM (opt)
AMD Radeon HD8730M with 2GB DDR3 VRAM (opt)

617.3 inch LED Backlit Display with Truelife and HD resolution (600x900)

Stereo speakers with Waves MaxxAudio 4 processing
Built-in digital microphone

Up to 1000GB⁵ SATA hard drive (5400RPM)

Tray-loading DVD+/-RW

4-cell/2.8Ah (40 WHr) Lithium Ion

Native HD 1.0MP webcam with digital microphone

Dell Wireless 1704 802.11b/g/n, Bluetooth v4.0+LE
Wired communications
Integrated Ethernet 10/100

Externally Accessible
(2) USB 3.0 + (2) USB 2.0
RJ45 Ethernet
HDMI v1.4a
Combination headphone/microphone jack
Kensington Security Lock
AC Power In

Multi-media Card Reader
Digital (SD) Memory Card
Secure Digital High Capacity (SDHC)
Secure Digital Extended Capacity (SDXC) with UHS 50MB/Sec
Memory Stick (MS)
Memory Stick PRO (MS Pro)
Memory Stick XC (MSXC)
Multi Media Card (MMC)
Multi Media Card plus (MMC+) Supported in MMC compatibility mode only

Dimensions & Weight
Width: 16.2” (412mm)
Height: 1.12” (28.34mm) front / 1.17” (29.6mm) rear with 4-cell/40 WHr battery
Depth: 10.6” (270mm)
Starting weight of 5.82 lbs (2.64 kg) with 4-cell/40 WHr battery