Dune HD Model Comparison

	Dune HD Lite 53D	Dune HD Smart D1	Dune HD Smart B1	Dune HD Max
Media Processor	Sigma Designs 8653	Sigma Designs 8642/8643	Sigma Designs 8642
RAM	256MB	512MB
Flash Memory	128 MB, expandable with a HDD partition, USB flash drive, or SD card			256 MB, expandable with a HDD partition, USB flash drive, or SD card
Video Outputs	HDMI 1.3 Component Video Composite Video			HDMI 1.3 Component Video Composite Video S-Video
Audio Outputs	HDMI 1.3 SPDIF/Toslink/Optical RCA Stereo Connectors			HDMI 1.3 SPDIF/Toslink/Optical RCA Stereo Connectors Coaxial Digital Audio Multichannel (7.1) analog audio output
USB Ports	2x USB 2.0 Ports	3x USB 2.0 Ports		3x USB 2.0 Ports
Networking Capabilities	Inbuilt 10/100 Mbit Ethernet Optional Internal 802.11n Wifi. Optional USB WiFi available	Inbuilt 10/100 Mbit Ethernet Optional USB 802.11n Wifi
Digital TV Support	Optional USB Dongle available
Internal HDD Storage connectivity	1x 2.5" SATA HDD	1x 3.5" SATA HDD	None	1x 3.5" SATA HDD
External Harddisk Support	USB	eSata/USB/Smart HE Extension Module		USB
SD Card Support	Yes
Optical Drive Support	Optional USB Optical Drive	Optional (Smart BE Extension Module)	Inbuilt Blu-Ray Drive
Storage Formats Supported	FAT16/FAT32 (read-write), EXT2/EXT3 (read-write), NTFS (read-write)
3D Support	Yes. Supports RealD.
Network protocols supported	NFS, SMB (Windows File Sharing), UPnP, HTTP, multicast UDP/RTP
Broad support of Video/Audio Codecs	Yes