Communication network IC products manufactured and marketed by Realtek include:
network interface controllers (both traditional 10/100M and advanced
gigabit Ethernet controllers),
physical layer controllers (
PHYceivers),
network switch controllers,
gateway controllers,
wireless LAN ICs, as well as
ADSL router controllers. In particular, the RTL8139 series 10/100M Fast Ethernet controllers reached their height during the late 1990s, and continued to take up a significant, and eventually predominant share in the worldwide market in the following years. Those devices categorized as Realtek's computer peripheral IC products consist of the traditional
AC'97 audio codecs, the
High Definition Audio codecs,
card reader controllers,
clock generators and
IEEE 1394 ICs. Multimedia IC products include LCD Monitor Controllers, LCD TV Controllers and Digital Media Processors.
Driver support The Realtek Downloads page provides drivers for a variety of operating systems, depending on the chipset, including for Windows, Mac and Linux.
Notable products chip as seen on a broadband adapter for a
Sega Dreamcast video game console Notable Realtek products include 10/100M Ethernet controllers (with a global market share of 70% as of 2003) and audio codecs (
AC'97 and
Intel HD Audio), where Realtek had a 50% market share in 2003 and a 60% market share in 2004, primarily concentrated in the integrated
OEM on-board audio market-segment. the ALC892 HD Audio codec and RTL8111 Gigabit Ethernet chip have become particular OEM favorites, offering low prices and basic feature-sets. RTL8139-based
NICs are dubbed "crab cards" () in Taiwan, alluding to the crab-like appearance of the Realtek logo.
Chipsets for HD multimedia players and recorders The increasing popularity of
HD media players in 2009 led to the entry of Realtek into that market. The first series, the
1xx3 models sold at a lower price than similar quality chipsets of Realtek's competitors. (The main competitors were the Sigma Media Players.) Realtek produced three major versions of Realtek 1xx3 and several minor variations. The three major 1xx3 chipset versions (1073, 1183, and 1283) all featured the same chip in terms of format support and performance, the only difference being the added ability to record AV sources in the 1283. HD Audio support in the 1xx3 improved through the chipset's life with several revisions. The DD and CC versions of the chipset both added full 7.1 HD-audio support to the chipset. The 1073 players all built on a common SDK (firmware+OS) provided by Realtek. This meant that they were all essentially similar in performance and interface. It also meant that producing these players was very easy for manufacturers, all they had to do was create the hardware and Realtek provided the software. Key players from the Realtek 1073 era were the original
Xtreamer, the Asus O!PlayHD, ACRyan PlayOn and the Mede8er MED500X. Manufacturers released hundreds of Realtek 1073 players. In early 2011 Realtek released series
1xx5, including the 1055, and 1185. These are the successors to the 1073 series. All three chips ran at 500 MHz which provided a small performance increase. Otherwise, the chips offered the same comprehensive format support as the previous generation. All chips ran the same Realtek SDK4 Casablanca, which offered improved user-experience (aesthetically, added media indexing, thumbnails...) from the stock SDK. As with the later version of the 1xx8 chipset, full 7.1 HD-audio downmix and passthrough are supported in the 1xx5. Realtek released the next generation of its chipsets, the
1xx6 series 1186, in early October 2011. These ran at 750 MHz, supported HDMI 1.4, were capable of 3D including 3D ISO, and were able to dual-boot into Android. Key 1186 players include the Mede8er X3D Series (MED1000X3D, MED800X3D, MED600X3D), Xtreamer Prodigy 3D and HiMedia 900B. == Security breach ==