The 567,000 sales probably refers to the The Philips CD-i 910 (or 205 internationally) and 400 series units. Philips as well as licensed manufacturers made a variety of CD-i units. Alltogether accounting for about 1,000,000 sales.
Consumer Units:
Philips CD-i 200
Philips CD-i 910 (Philips CD-i 205)
Philips CD-i 210
Philips CD-i 220
Educational Institution Units
Philips CD-i 400
Philips CD-i 450
Philips CD-i 470
Philips CD-i 490
Professional Units:
Philips CD-i 310
Philips CD-i 350
Philips CD-i 360
Philips CD-i 370
Software Development/Home Computer Units:
Philips CD-i 600
Philips CD-i 601
Philips CD-i 602
Philips CD-i 604
Philips CD-i 605
Philips CD-i 615
Philips CD-i 660
Philips CD-i 670
Ither Units:
Philips CD-i 180
Philips CD-i 181
Philips CD-i 182
FW380i
21TCDi30
Magnavox
GoldStar / LG Electronics
Digital Video Systems
Memorex
Grundig
Saab Electric
Sony (Intelligent DiscMan)
Kyocera
NBS
Highscreen
Bang & Olufsen (Beocenter AV5).

CPU: 16/32-bit 68070 CISC @ 15.5 MHz
GPU: SCC66470 or MCD 212(later models)
384x280x32768, 768x560x32768 (16.7 million pallet)
MPEG 1 Cartridge Plug-In for VCD and Digital Video(built-in for some units)
RAM: 1MB
SPU: MCD 221, ADPCM eight channel, 16-bit stereo, Digital Out
OS: CD-RTOS (variant if Microware OS-9)
1xCD-ROM drive



CD-i mouse
Roller controller
CD-i trackball
I/O port splitter
Touchpad controller
Gravis PC GamePad
IR wireless controller
RAM expansion and Video-CD (MPEG-1) support with DV Cart
Peacekeeper Revolver