Here’s a historical community-compiled list of known Sega Dreamcast hardware part numbers. It was copied from ASSEMblergames, so thanks to Quzar, DreamCaster and everyone else who contributed! I have preserved the original question marks and uncertain translations rather than pretending every entry has been independently verified.

These first models often appear simply as HKT-0x rather than HKT-0xy0

  • HKT-0100 - Sega Katana Development Box (general term for Katana Boxes)
  • HKT-0100 - Sega Katana Development Box (Set 5.00)
  • HKT-0110 - Sega Katana Development Box (Set 5.23)
  • HKT-0120 - Sega Katana Development Box (Set 5.24)
  • HKT-0200 - Sega Katana Controller Box
  • HKT-0300 - Katana Midi Sound Box
  • HKT-0400 - Katana GD-Writer
  • HKT-0500 - Cross Products Dreamcast GD-ROM Duplicator GD-X
  • HKT-0600 - GD-R
  • HKT-0700 - Sega Katana C1/C2 Checker
  • HKT-0900 - Sega Dreamcast SYSTEM-DISC2
  • HKT-1100 - Dev.Cas [670-13995A Serial S700S 990084]
  • HKT-1130 - dev.cas (SET 7)
  • HKT-2000 - Internet Starter Kit
  • HKT-3000 - NTSC-J Dreamcast Initial Launch Version
  • HKT-3010 - NTSC-J Dreamcast
  • HKT-3020 - NTSC-U Dreamcast
  • HKT-3021 - NTSC-U Dreamcast Demo-Kiosk
  • HKT-3030 - PAL-E Dreamcast
  • HKT-4000 - Japanese Mini-Keyboard
  • HKT-4100 - 4x Memory Card (also for Sonic Team version)
  • HKT-4200 - Standard Mouse
  • HKT-4300 - DreamKara
  • HKT-4301 - DreamKara (Sonic)
  • HKT-4400 - DORIMUKYASUTODORIMUWAIYA ? “Dream cast dream wire”
  • HKT-5000 - NTSC-J Dreamcast (no-MIL CD)
  • HKT-5010 - Dreamcast Asian Version (no modem)
  • HKT-5100 - Dreamcast Limited Edition (Pearl Blue, Black, etc.) ?
  • HKT-5900 - SEGAKARA @ Home ?
  • HKT-6300 - Seaman Special Dreamcast
  • HKT-6500 - Hello Kitty Dreamcast (with P or B appended based on color P(ink) B(lue))
  • HKT-6600 - Code Veronica Limited Edition Dreamcast (not sure which one)
  • HKT-6800 - Sakura Wars Dreamcast
  • HKT-7000 - Standard VMU
  • HKT-7001 - Godzilla VMU (possibly VMS)
  • HKT-7002 - VMS (Memory card, no screen)
  • HKT-7005 - MOSURADORIMUBATORU (software with Visual Memory)?
  • HKT-7006 - Gamera VMS (LE VMS)
  • HKT-7007 - VMU
  • HKT-7007 - ‘-03’ Aqua Blue VMU
  • HKT-7007 - ‘-16’ Clear VMU
  • HKT-7007 - ‘-18’ SGGG LE VMU
  • HKT-7008 - ‘-01’ “BOY super invention kit, crab break ASON” ?
  • HKT-7008 - ‘-02’ “Giant Gram VMU”
  • HKT-7009 - ‘-01’ US Blue VMU
  • HKT-7100 - Modem
  • HKT-7200 - Microphone
  • HKT-7300 - Arcade Stick
  • HKT-7400 - Racing Wheel (Japanese)
  • HKT-7430 - Racing Wheel
  • HKT-7500 - Twin Sticks
  • HKT-76xx - Keyboard (many models)
  • HKT-7620 - Keyboard (something)
  • HKT-7700 - Standard Dreamcast Controller (others have ‘-xx’ appended)
  • HKT-7700 - ‘-01’ Aqua Blue Controller
  • HKT-7700 - ‘-02’ Lime Green Controller
  • HKT-7700 - ‘-03’ Passion Pink Controller
  • HKT-7700 - ‘-04’ Model 2000 (?) Controller
  • HKT-7700 - ‘-09’ Clear Black (smoke) controller
  • HKT-7700 - ‘-18’ Clear Controller
  • HKT-7700 - ‘-19’ Sakura Wars Controller
  • HKT-7701 - Controller (?)
  • HKT-7800 - Lightgun
  • HKT-7801 - Dreamcast Cancer/gun (DORIMUKYASUTOGAN)?
  • HKT-7900 - A/V Stereo Cable
  • HKT-8000 - S-Video Cable
  • HKT-8100 - VGA Box
  • HKT-8200 - Modular Extension cable (just a phone extension)
  • HKT-8300 - “Audio Cable”, apparently just minijack cable
  • HKT-8500 - MOJURAKEBURU (RF Cable?) ?
  • HKT-8600 - Puru Puru Pack
  • HKT-8700 - Fishing Controller (PAL)
  • HKT-8701 - Tsuri Controller (Fishing) (JAP)
  • HKT-8820 - RF Adapter NTSC-M
  • HKT-8830 - RF adapter
  • HKT-9200 - MIDI cable
  • HKT-9400 - Dreameye camera
  • HKT-9401 - Dreameye (white box, Sega standard style)
  • HKT-9402 - Dreameye (dreampark box)
  • HKT-9500 - Link Cable
  • HKT-9700 - Maracas
  • HKT-9800 - Dreameye microphone
  • HKT-9900 - Mouse
  • HIT-0300 - Sega LAN Adapter
  • HIT-0400 - BBA
  • HIT-0401 - BBA (Usually packaging is for US, but the hardware often still says 0400)
  • HIT-1000 - R7 Dreamcast