Editing AppleCD 150/300 Service Source (section)

== Specifications as printed ==
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{| class="wikitable styled-table"
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! Item !! AppleCD 150 !! AppleCD 300
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| Average access time (including latency) || 380 ms typical || 360 ms typical (normal), 295 ms (double speed)
|-
| Maximum access (first to last block) || 650 ms typical || (not printed separately)
|-
| Data-streaming rate || Mode 1: 150K/s; Mode 2: 171K/s || normal Mode 1: 150K/s, Mode 2: 171K/s; double Mode 1: 300K/s, Mode 2: 342K/s
|-
| Block rate || 75 blocks/s || 75 blocks/s normal, 150 blocks/s double
|-
| SCSI transfer rate || approx. 1.5 MB/s || approx. 2.5 MB/s
|-
| Rotational speed || approx. 230-530 rpm || 230-530 rpm normal, 460-1,060 rpm double
|-
| Data capacity || colspan="2" | Mode 1: 656 MB
|-
| Interfaces || colspan="2" | one headphone jack, two SCSI 50-pin connectors, two audio output jacks
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| Medium || colspan="2" | 12 cm optical disc in a CD caddy
|}

The AppleCD 300 additionally lists multi-session Kodak Photo CD (QuickTime required), ISO 9660 / High Sierra, Macintosh HFS, CD-ROM XA (needs extra ADPCM hardware for compressed audio), CD+G, CD+MIDI and standard audio CDs.