| Battery | Q6BAT | Replacement battery |
| Battery | Q7BAT | Replacement large-capacity battery |
| Battery | Q7BAT-SET | Large-capacity battery with holder for installing CPU |
| Battery | Q8BAT | Replacement large-capacity battery module |
| Battery | Q8BAT-SET | Large-capacity battery module with CPU connection cable |
| Extended SRAM cassette | Q4MCA-1MBS*1 | Extended SRAM cassette, capacity: 1 MB |
| Extended SRAM cassette | Q4MCA-2MBS*1 | Extended SRAM cassette, capacity: 2 MB |
| Extended SRAM cassette | Q4MCA-4MBS*1 | Extended SRAM cassette, capacity: 4 MB |
| Extended SRAM cassette | Q4MCA-8MBS*1 | Extended SRAM cassette, capacity: 8 MB |
| SD memory card | NZ1MEM-2GBSD*1*2*3*4
NEW | SD memory card, capacity: 2 GB |
| SD memory card | NZ1MEM-4GBSD*1*2*3*4
NEW | SDHC memory card, capacity: 4 GB |
| SD memory card | NZ1MEM-8GBSD*1*2*3*4
NEW | SDHC memory card, capacity: 8 GB |
| SD memory card | NZ1MEM-16GBSD*1*2*3*4
NEW | SDHC memory card, capacity: 16 GB |
Memory card | Q2MEM-1MBS*5 | SRAM memory card, capacity: 1 MB |
| Memory card | Q2MEM-2MBS*5 | SRAM memory card, capacity: 2 MB |
| Memory card | Q3MEM-4MBS*5 | SRAM memory card, capacity: 4 MB |
| Memory card | Q3MEM-4MBS-SET*5 | SRAM memory card with cover, capacity: 4 MB |
| Memory card | Q3MEM-8MBS*6 | SRAM memory card, capacity: 8 MB |
| Memory card | Q3MEM-8MBS-SET*6 | SRAM memory card with cover, capacity: 8 MB |
| Memory card | Q3MEM-CV | Memory card protective cover for the Universal model QCPU (comes with Q3MEM-4MBS-SET/Q3MEM-8MBS-SET) |
| Memory card | Q3MEM-CV-H | Memory card protective cover for the High Performance model, Process, and Redundant CPUs (comes with Q3MEM-4MBS-SET) |
| Memory card | Q2MEM-8MBA*5 | ATA card, capacity: 8 MB, to be discontinued (December 2016) |
| Memory card | Q2MEM-16MBA*5 | ATA card, capacity: 16 MB |
| Memory card | Q2MEM-32MBA*5 | ATA card, capacity: 32 MB |
| CompactFlash card | GT05-MEM-128MC*4*7 | CompactFlash card, capacity: 128 MB |
| CompactFlash card | GT05-MEM-256MC*4*7 | CompactFlash card, capacity: 256 MB |
| CompactFlash card | QD81MEM-512MBC*4*7*8 | CompactFlash card, capacity: 512 MB |
| CompactFlash card | QD81MEM-1GBC*4*8 | CompactFlash card, capacity: 1 GB |
| CompactFlash card | QD81MEM-2GBC*4*8 | CompactFlash card, capacity: 2 GB |
| CompactFlash card | QD81MEM-4GBC*4*8 | CompactFlash card, capacity: 4 GB |
| CompactFlash card | QD81MEM-8GBC*4*8 | CompactFlash card, capacity: 8 GB |
| Memory card adapter | Q2MEM-ADP | Adapter for Q2MEM memory card’s standard PCMCIA slot |
| Connection cable | QC30R2 | RS-232 cable for connecting PC and CPU, 3 m (between mini-DIN6P and Dsub9P) |
| Cable disconnection prevention holder | Q6HLD-R2 | Holder for preventing RS-232 cable (Programmable Controller CPU connection) disconnection
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