U.f.orb - Orb (the) - 1992
Released by Big life
Tracks : 7 / Length : 74:01:30

U.S.S.R. repertoire (the theory of verticality) - Dj vadim - 1996
Released by Ninja tune
Tracks : 26 / Length : 79:25:22

Ukf drum & bass 2014 - various - 2014
Released by Ukf music
Tracks : 21 / Length : 79:06.48
digipack, compil
with Delta heavy, Camo & crooked, I am legion, etc...

Ukf drum & bass 2015 - various - 2015
Released by Ukf music
Tracks : 20 / Length : 79:20:32
digipack, compil
with Dimension, Calibre, Emperor, etc...

Ukf drum & bass 2016 - various - 2016
Released by Ukf music
Tracks : 23 / Length : 79:32:13
digipack, compil
with Friction, Brookes Brothers, High Contrast, etc...

Ukf drum & bass 2017 - various - 2017
Released by Ukf music
Tracks : 23 / Length : 78:22:30
digipack, compil
with Friction, 1991, Memtrix, etc..

Ukf dubstep 2015 - various - 2015
Released by Ukf music
Tracks : 22 / Length : 75:49:01
digipack, compil
with Proxima, Modestep, Bar9, etc...

Ukf dubstep 2017 - various - 2017
Released by Ukf music
Tracks : 22 / Length : 78:53:21
digipack, compil
with Borgore, Flux Pavillion, Killsonik, etc...

Ultra - Depeche mode - 2007
Released by Mute
Tracks : 12 / Length : 60:11:55

Ultra obscene - Breakbeat era - 1999
Released by Full cycle
Tracks : 3 / Length : 18:36:62
Ep cd2, digipack

Ultra-obscene - Breakbeat era - 1999
Released by Full cycle
Tracks : 15 / Length : 74:18:30
digipack

Ultramack 005 - Anodyne - 1996
Released by Ultramack
Tracks : 16 / Length : 61:06:32

Umbra - Boom boom satellites - 2001
Released by Sony music
Tracks : 10 / Length : 50:53:02
JP edition
Has three common tracks with Photon EU

Un - Dan black - 2009
Released by Universal Music
Tracks : 12 / Length : 46:00:36

Un jour de rêves - Dolly - 1999
Released by Murrayfield
Tracks : 12 / Length : 58:39:32

Un monde pour soi - Prohom - 2013
Released by Gourmets
Tracks : 12 / Length : 48:29.36
digipack

Unbalance - 2562 - 2009
Released by Tectonic
Tracks : 12 / Length : 63:45:01
digipack

Unblackened - Black label society - 2013
Released by Edel
Tracks : 11 - 12 / Length : 64:40.17 – 60:04.15
Digipack, collector
+ BR

undeniable - Terror danjah - 2010
Released by Hyperdub
Tracks : 15 / Length : 63:44:38
digipack

Under the flightpath - Darren price - 1997
Released by Mute
Tracks : 9 / Length : 61:14:57

Under the ice - Icicle - 2011
Released by Shogun audio
Tracks : 11 / Length : 65:40:33
shacd004 + hidden track

Under the sun - Machine code - 2013
Released by Subsistenz
Tracks : 11 / Length : 69:02:45
digipack, lp+cd

Under the sun - Mark pritchard - 2016
Released by Warp
Tracks : 16 / Length : 67:27.23
digipack

Under your sky - Underwolves (the) - 2001
Released by Jcr / compost
Tracks : 12 / Length : 59:01:56

Underdog underfoot - Flies are spies from hell - 2015
Released by N/A
Tracks : 8 / Length : 37:52.28
digipack, CDr, self-released

Underground and loud - various - 1998
Released by Just create
Tracks : 12 / Length : 78:04:24
compil
with O'cruize, More rockers, Brass wolf

Underground vibes - Dj cam - 1997
Released by Inflamable
Tracks : 12 / Length : 57:34:36
digipack

Undertow - Tool - 1993
Released by Volcano entertainment
Tracks : 69 / Length : 69:13:10
tracks 10 to 68 last 1 sec

Underwater dancehall - Pinch - 2007
Released by Tectonic
Tracks : 10 - 10 / Length : 43:52:08 - 44:19:15
cd2 contains instrumental versions

Une somme de détails - Mass hysteria - 2007
Released by At(h)ome
Tracks : 13 / Length : 42:48:39
digipack

Unedited - Editors - 2011
Released by Pias
Tracks : 11 - 10 - 10 - 9 - 8 - 10 - 8 / Length : 43:46:10 - 44:40:61 - 47:28:41 - 35:42:57 - 35:33:47 - 38:43:17 - 28:50:22
digipack, limited
3 cd albums + "You are fading" 4 cds archive, b-sides and rarities + 7 vinyls and book

Unfold the god man - Psychonaut - 2020
Released by Pelagic
Tracks : 9 / Length : 69:20.64
Digipack
reissue from 2018, PEL143

Unfolded - Mobthrow - 2014
Released by Ad noiseam
Tracks : 13 / Length : 60:20:23
digipack
adn176

Union street - Erasure - 2006
Released by Mute
Tracks : 11 / Length : 43:26:66

United breaks nation - various - 1999
Released by Botchit & scarper
Tracks : 13 - 4 / Length : 77:08:72 - 57:31:32
compil + mix by Vini

United nations - United nations - 2008
Released by Eyeball
Tracks : 12 / Length : 38:20:18

Universus - Shock one - 2013
Released by Viper
Tracks : 14 / Length : 69:51.65
digipack

Unknown pleasures - Joy division - 1979
Released by Centredate
Tracks : 10 / Length : 39:28:07

Unknown territory - Bomb the bass - 1991
Released by Rhythm king
Tracks : 14 / Length : 72:49:57

Unplugged - Archive - 2004
Released by Archive
Tracks : 10 / Length : 40:24:03
digipack

Unplugged - klone - 2017
Released by Verycords
Tracks : 11 / Length : 49:11.32
digipack

Unplugged - klone - 2017
Released by Pelagic
Tracks : 11 / Length : 49:11.32
digipack
PEL080, DE edition

Unreasonable behaviour - Laurent garnier - 2000
Released by F com
Tracks : 12 / Length : 69:09:20

unrestricted - Archive - 2015
Released by Dangervisit
Tracks : 12 / Length : 56:20.50
digipack
Restricted remix album

Untilted - Autechre - 2005
Released by Warp
Tracks : 8 / Length : 69:52:56

Untitled - Korn - 2007
Released by Korn partnership
Tracks : 14 / Length : 53:24:30
digipack limited
+ DVD

Untitled - Wintersleep - 2005
Released by Emi
Tracks : 11 / Length : 42:33:23
digipack
+ 4 video and 2 mp3 on data track

Untitled (aka Vaka) - Sigur rós - 2003
Released by Fat-cat
Tracks : 4 / Length : 18:34:10
digipack, ep
+ DVD

Untouchables - Korn - 2002
Released by Immortal
Tracks : 14 / Length : 65:06:7

Untrue - Burial - 2007
Released by Hyperdub
Tracks : 13 / Length : 50:35:29
digipack