Editing Backwards Compatibility

There are no backwards compatible hardware parts inside the PS4 :(

== Backwards compatibility ==
=== Hardware ===
* Does not support [[Glossary#SACD|Super Audio CD (SACD)]] <!--// and no Audio-CD's at all //-->
* Does not support PS3 DualShock 3 or PS3 Sixaxis
* Supports PS Move
=== Software ===
* PS3 disc/media will not work directly.
* (PS1/PSone, PS2/PStwo) PS3 game support via cloud service.

=== Comparison Table ===
::"you can emulate with a PC, 90% of the things that the PS4 will never do, by just turning it off."
{| class="wikitable sortable"
|-
! colspan="12" id="controllers"|[[#controllers|Controllers]]
|-
! Function \ Platform !! PC || PS1 !! PS2 !! PS3 !! PS4 !! Wii || WiiU !! Xbox || Xbox360 || Xbox One !! Remarks
|-
| Dualshock 1 || {{Yes}}<br />(with par.port or USB adaptor) || {{Yes}} || {{Partial}}<br />(not all games) || {{Partial}}<br />(not all games, only with USB converter) || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| Dualshock 2 || {{Yes}}<br />(with par.port or USB adaptor) || {{No}} || {{Yes}} || {{Yes}}<br />(only with USB converter) || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| SixAxis || {{Yes}} || {{No}} || {{No}} || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| Dualshock 3 || {{Yes}} || {{No}} || {{No}} || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| Arcadestick (PS3) || {{Yes}} || {{No}} || {{No}} || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| Dualshock 4 || {{Yes}}<!--// most likely just using BT/Wifi-HID with some proprietary subfunctions //--> || {{No}} || {{No}} || {{No}} || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| EyeToy || {{Yes}} || {{No}} || {{Yes}} || {{Partial}}<br />(as Chatcamera) || ? || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| PS3 Eye || {{Yes}} || {{No}} || {{No}} || {{Yes}} || ? || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| PS3 Move || {{Yes}} || {{No}} || {{No}} || {{Yes}} || ? <!--// Should be {{Yes}} or ??? //--> || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| PS4 Move <!--// What is a PS4 Move ??? //--> || {{Yes}} || {{No}} || {{No}} || {{No}} || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| Wii Remote / Wii Remote Plus || {{Yes}} || {{No}} || {{No}} || {{Partial}}<br />(not all games, only with USB converter) || {{No}} || {{Yes}} || {{Yes}} || {{No}} || {{No}} || {{No}} ||
|-
| Wii Nunchuk attachement || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{Yes}} || {{Yes}} || {{No}} || {{No}} || {{No}} ||
|-
| Wii Classic Controller attachement || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{Yes}} || {{Yes}} || {{No}} || {{No}} || {{No}} ||
|-
| Wii Balance Board || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{Yes}} || {{Yes}} || {{No}} || {{No}} || {{No}} ||
|-
| WiiU Game Pad || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{Yes}} || {{No}} || {{No}} || {{No}} ||
|-
| WiiU Pro Controller || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{Yes}} || {{No}} || {{No}} || {{No}} ||
|-
| Xbox Controller / Xbox Controller S || {{Yes}} || {{No}} || {{No}} || {{Partial}}<br />(not all games, only with USB converter) || {{No}} || {{No}} || {{No}} || {{Yes}} || {{No}} || {{No}} ||
|-
| Xbox 360 Controller || {{Yes}} || {{No}} || {{No}} || {{Partial}}<br />(not all games, only with USB converter) || {{No}} || {{No}} || {{No}} || {{Yes}}<br />(but only [http://en.wikipedia.org/wiki/List_of_Xbox_games_compatible_with_Xbox_360 a few titles] and you'll need Xbox Live to download emulation profiles) || {{Yes}} || {{No}} ||
|-
| Xbox One Controller || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{Yes}} ||
|-
! colspan="12" id="discmedia"|[[#discmedia|Disc Media]]
|-
! Function \ Platform !! PC || PS1 !! PS2 !! PS3 !! PS4 !! Wii || WiiU !! Xbox || Xbox360 || Xbox One !! Remarks
|-
| PS/PSone discs || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| PS2/PStwo discs || {{Yes}} || {{No}} || {{Yes}} || {{Partial}}<br />(only older models) || ? || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| PS3 discs || {{Partial}}<br />(Dump only, Theoretical) || {{No}} || {{No}} || {{Yes}} || {{No}}<br />(only older Launch Title [[Backwards Compatibility#Upgrade to PS4 instead of PS3 Backwards Compatibility|Upgrades]]) || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| PS4 discs || {{Partial}}<br />([[Talk:Bluray Drive|Dump only]], Theoretical) || {{No}} || {{No}} || {{No}} || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| Wii discs || {{Partial}} || {{No}} || {{No}} || {{No}} || {{No}} || {{Yes}} || {{Yes}} || {{No}} || {{No}} || {{No}} || 
|-
| WiiU discs || {{Partial}}<br />(Dump only, Theoretical) || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{Yes}} || {{No}} || {{No}} || {{No}} || 
|-
| Xbox discs || {{Partial}}<br />(Theoretical) || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{Yes}} || {{No}} <!--// Should be {{Yes}} or ??? //--> || {{No}} || 
|-
| Xbox 360 discs || {{Partial}}<br />(Dump only, Theoretical) || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{Yes}} || {{Yes}}<br />(but only [https://en.wikipedia.org/wiki/List_of_Xbox_360_games_compatible_with_Xbox_One a few titles]) || 
|-
| Xbox one discs || {{Partial}}<br />(Dump only, Theoretical) || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{Yes}} || 
|-
| Used Game discs without repay || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{No}} || 
|-
| Lending games to friend/brother without repay || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{No}} || 
|-
| Games continue to work beyond lifetime || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{No}} || 
|-
! colspan="12" id="multimedia"|[[#multimedia|MultiMedia]]
|-
! Function \ Platform !! PC || PS1 !! PS2 !! PS3 !! PS4 !! Wii || WiiU !! Xbox || Xbox360 || Xbox One !! Remarks
|-
| Audio CD || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{No}} <!--// and this will probably never happen :( //--> || {{No}} || {{No}} || {{Yes}} || {{Yes}} || {{Yes}} || 
|-
| Compressed Audio (MP3/AAC) || {{Yes}} || {{Partial}}<br />with MP3 addon on older models || {{Yes}}<br />with homebrew || {{Yes}} || {{Yes}}<br />but only via USB and DLNA/Homemade Webserver || {{Yes}}<br />with homebrew || {{Yes}}<br />with homebrew || {{Yes}}<br />with homebrew || {{Yes}} || ? || 
|-
| [[Super Audio CD (SACD)]] || {{Partial}}<br />(Dump only) || {{No}} || {{No}} || {{Partial}}<br />(only older models) || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| DVD-A || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{Yes}} || {{Yes}} || ? || 
|-
| VideoCD || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
| DVD Video || {{Yes}} || {{No}} || {{Yes}} || {{Yes}} || {{Yes}} || {{No}}<br />(only with oldest patchable drive and added [http://wiibrew.org/wiki/DVDX homebrew]) || {{No}} || {{Yes}}<br />(add-on required) || {{Yes}} || ?  || 
|-
| HD-DVD Video || {{Yes}} || {{No}} || {{No}} || {{Yes}}<br />with 360 HD-DVD addon and homebrew software + firmware modifications || ? || {{No}} || {{No}} || {{No}} || {{Yes}}<br />with 360 HD-DVD addon || {{No}} || 
|-
| BD-Video || {{Yes}} || {{No}} || {{No}} || {{Yes}} || {{Yes}} || {{No}} || {{No}} || {{No}} || {{No}} || {{Yes}} || 
|-
| Compressed A/V (AVCHD/H.264/MP4/DivX/WMV) || {{Yes}} || {{No}} || {{Yes}}<br />with homebrew || {{Yes}} || {{Yes}} || {{No}} || {{No}} || {{No}} || {{Yes}} || {{Yes}} || 
|-
! colspan="12" id="homebrew"|[[#homebrew|Homebrew / Linux / Community changes]]
|-
! Function \ Platform !! PC || PS1 !! PS2 !! PS3 !! PS4 !! Wii || WiiU !! Xbox || Xbox360 || Xbox One !! Remarks
|-
| Homebrew || {{Yes}} || {{Yes}}<br />Caetla<br />(or when modified) || {{Yes}}<br />PS2 Linux kit<br />(or when modified) || {{Yes}}<br />OtherOS<br />(or when modified) || {{No}} || {{Yes}}<br />Only when modified || {{Yes}}<br />Only when modified || {{Yes}}<br />Only when modified || {{Yes}}<br />Only when modified || {{No}} || 
|-
| Linux || {{Yes}} || {{Partial}}<br />(bare kernel, only 2MB useable) || {{Yes}}<br />PS2 Linux kit<br />(or when modified) || {{Yes}}<br />OtherOS<br />(or when modified) || {{No}} || {{Yes}}<br />with homebrew || {{Yes}}<br />with homebrew || {{Yes}}<br />with homebrew || {{Yes}}<br />with homebrew || {{No}} || 
|-
| Drivepatches || {{Yes}} || {{Yes}}<br />modchips, swapmagic || {{Yes}}<br />modchips, swapmagic, softmods and isoloaders || {{Yes}}<br />swapmagic, softmods and isoloaders || {{No}} || {{Yes}}<br />drivechips, softmods and isoloaders || {{Yes}}<br />drivechips, softmods and isoloaders || {{Yes}}<br />drivechips, softmods and isoloaders || {{Yes}}<br />drivechips, softmods and isoloaders || {{No}} || 
|-
! colspan="12" id="periferals"|[[#periferals|Peripherals]]
|-
! Function \ Platform !! PC || PS1 !! PS2 !! PS3 !! PS4 !! Wii || WiiU !! Xbox || Xbox360 || Xbox One !! Remarks
|-
| Mouse || {{Yes}} || {{Yes}}<br />(proprietary) || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || 
|-
| Keyboard || {{Yes}} || {{Yes}}<br />(proprietary) || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || 
|-
| Harddrive (Internal) || {{Yes}} || {{No}} || {{Yes}} || {{Yes}} || {{Yes}} || {{No}} || {{No}} || {{Yes}} || {{Yes}} || {{Yes}} || 
|-
| Harddrive (External) || {{Yes}} || {{No}} || {{Yes}}<br />(when modified) || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || 
|-
| Printer || {{Yes}} || {{No}} || {{Yes}}<br />(with Linux) || {{Yes}}<br />([[Printer support|some Canon, Epson and HP]]) || ? || {{No}} || {{No}} || {{No}} || {{No}} || {{No}} || 
|-
! colspan="12" id="storage"|[[#storage|Storage]]
|-
! Function \ Platform !! PC || PS1 !! PS2 !! PS3 !! PS4 !! Wii || WiiU !! Xbox || Xbox360 || Xbox One !! Remarks
|-
| Memory || Only limited by userchosen hardware || 3.5 MB || 26 MB || 512 MB || 8 GB || 91 MB || 2 GB || 64 MB || 512 MB || 8 GB || 
|-
| Disc Storage (max) || Only limited by userchosen hardware || 650 MB || 8.54 GB || 50 GB || 50 GB || 8.54 GB || 25 GB || 8.54 GB || 8.54 GB<br />(15-30 GB HD-DVD) || 50 GB || 
|-
! colspan="12" id="audiovideooutput"|[[#audiovideooutput|Audio + Video Output]]
|-
! Function \ Platform !! PC || PS1 !! PS2 !! PS3 !! PS4 !! Wii || WiiU !! Xbox || Xbox360 || Xbox One !! Remarks
|-
| Video Resolution || Only limited by userchosen hardware || 256×224 to 640×480 || 256×224 to 1920×1080 ||  480i/576i SD up to 1080p HD || up to 1080p HD (games) / up to 3840×2160 (Video/Photo) || up to 480i/480p/576i || up to 1080p || up to 1080i || up to 1080p || up to 3840×2160 (unsure which content) || 
|-
| Audio || Only limited by userchosen hardware || analog stereo + Dolby Surround/Dolby Pro Logic || analog stereo + Dolby Surround/Dolby Pro Logic, optical Dolby Digitial/DTS ||  analog stereo + Dolby Surround/Dolby Pro Logic, optical Dolby Digitial/DTS || analog stereo + Dolby Surround/Dolby Pro Logic, optical Dolby Digitial/DTS, LPCM 1.0, 2.0 and 5.1 over HDMI || analog stereo || analog stereo,  LPCM 1.0, 2.0 and 5.1 over HDMI || analog stereo<br />(optical with added Xbox Advanced AV Pack or Xbox High Definition AV Pack for optical Dolby Digitial/DTS) || analog stereo + Dolby Surround/Dolby Pro Logic, optical Dolby Digitial/DTS, on models with HDMI: LPCM 1.0, 2.0 and 5.1 over HDMI || analog stereo + Dolby Surround/Dolby Pro Logic, optical Dolby Digitial/DTS, LPCM 1.0, 2.0 and 5.1 over HDMI || 
|-
|}
'''Note:'''
* The [http://en.wikipedia.org/wiki/GameStick GameStick], [http://en.wikipedia.org/wiki/NVIDIA_Shield NVIDIA Shield], [http://en.wikipedia.org/wiki/Ouya Ouya], and [http://en.wikipedia.org/wiki/Steam_(software)#Steam_Box Steam Box] are attempting to compete in this market; however these are seldom referred to as "[http://en.wikipedia.org/wiki/History_of_video_game_consoles_%28eighth_generation%29 eighth generation consoles]".
* There are legitimate ways to enjoy media using [http://xbmc.org/ XBMC]/[http://openelec.tv/ OpenELEC] on many devices (e.g. [http://en.wikipedia.org/wiki/Ouya Ouya], [[Raspberry Pi]], PC etc.). You can watch virtually anything anywhere anyhow, without needing a subscription, signup, online connection or any other means that lock you out of your rights or trying to steal your money with monthly fees.

=== Non PS4 disc errors ===
inserting non-PS4 discs gives you a various errors.

{{#ev:youtube|asHzj4bTh2o}} 
(What happens When You stick This Type Of Disc In Your PS4)

{| class="wikitable sortable"
|-
! Disc !! Icon !! Result !! <abbr title="Time in example movie">Time</abbr>
|-
| PS1-CD || "''Unsupported Disc''" || "''This disc is not supported by the PS4''" || 0:37
|-
| PS2-CD || "''Unsupported Disc''" || "''This disc is not supported by the PS4''" || N.A.
|-
| PS2-DVD || "''Unsupported Disc''" || "''This disc is not supported by the PS4''" || 1:14
|-
| PS3-BD || "''Unsupported Disc''" || "''Cannot play Playstation{{Registered trademark}}3 format disc''" || 2:41
|-
| DVD-movie || "''DVD''" || "''Button Guide''" and plays fine || 3:17
|-
| Blu-Ray movie || "''Blu-Ray Disc{{Trademark}}''" || "''Do you want to allow Blu-Ray Disc{{Trademark}} videos to connect to the Internet while they are playing?''" and plays fine || 6:31
|-
| X360 || "''DVD''" || plays the DVD movie track "''To play this disc, put it in an Xbox 360 console''" || 10:00
|-
| Wii || "''Corrupted Data''" || "''The data is corrupted''" || 11:03
|-
| Swap Magic DVD || "''Unsupported Disc''" || "''This disc is not supported by the PS4''" || 11:48
|-
| Swap Magic CD || "''Unrecognised Disc''" || "''Cannot recognise the disc''" || 12:32
|-
| PS4-BD || TitleID and param.sfo set images || (''KillZone{{trademark}} Shadow Fall'') || 13:11
|-
|}

=== Upgrade to PS4 instead of PS3 Backwards Compatibility ===
* http://us.playstation.com/digitalupgrade/ (only a select number of titles, for $9.99)


=== In-browser emulation ===
please report back if they worked or not
* http://blog.archive.org/2013/12/26/a-second-christmas-morning-the-console-living-room/

=== PlayStation 2 Backwards Compatibility through Emulation ===
* Confirmed by Sony (whatever this means)
* Unknown if supported digital as downloadable content through the [[PlayStation Store]] and/or disc-based too
* Unknown if PlayStation (PSX) Games will be supported too
* http://www.eurogamer.net/articles/digitalfoundry-2014-ps1-ps2-games-heading-to-ps4
* http://www.eurogamer.net/articles/digitalfoundry-2015-hands-on-with-ps4-playstation2-emulation
* http://www.wired.com/2015/11/playstation-2-emulation-coming-to-ps4-sony-confirms/

{{#ev:youtube|vA6TdEstNUg}}
'''(Hands-On With PS2 Emulation On PlayStation 4)'''


{{Software}}
<noinclude>[[Category:Main]]</noinclude>