Amazon Kindle 4 Paperwhite

Specifications

Hardware components

CPU: Freescale i.MX508, ARM Cortex-A8 core, 800MHz

Memory: 256MB Hynix H5MS2G22AFR Mobile DDR SDRAM

Display: Amazon's 6" diagonal most advanced E Ink display, optimized with proprietary waveform and font technology, 600 x 800 pixel resolution at 167 ppi, 16-level gray scale.

Display controller: Winbond 25Q40BW1G Serial Flash Memory chip

USB Port: USB 2.0 (micro-B connector)

Buttons: 8 physical buttons and a 4-way button with another button in the middle

On-device Storage: 2GB flash, 1.25GB available ("up to 1,400 books"), SanDisk SDIN502-2G Flash storage chip

WLAN: Atheros AR6103, 802.11b/g/n with support for WEP, WPA and WPA2 security using password authentication or Wi-Fi Protected Setup (WPS); does not connect to WPA and WPA2 secured networks using 802.1X authentication methods; does not support connecting to ad-hoc (or peer-to-peer) Wi-Fi networks.

Battery: 3.7V, 1800 mAH Li-ion battery. One month with wireless off based upon a half-hour of daily reading time. Keep wireless always on and it lasts for up to 3 weeks. YMMV.

Other specs

Size: 6.5" x 4.5" x 0.34" (166 mm x 114 mm x 8.7 mm)

Weight: 5.98 ounces (170 grams)

Charge Time: Fully charges in approximately 3 hours via the included USB 2.0 cable connected to a computer. U.S. power adapter sold separately.

Cloud Storage: Free cloud storage for all Amazon content.

Content Formats Supported: Kindle (AZW), TXT, PDF, unprotected MOBI, PRC natively; HTML, DOC, DOCX, JPEG, GIF, PNG, BMP through conversion.