This is the list of all IMSAI boards in the catalog.
We have new IMSAI boards in addition to reproductions of 1970s IMSAI boards. The reproduction boards are licensed for sale by IMSAI from RetroTechReboot.
All other boards are designed and sold by the IMSAI division of Parastream Technologies.
Choose from the links below to take you to the appropriate section.
Order from the list below. The kits are complete with everything you need except solder and tools.
They even come with a professionally printed user manual.
| Description | Part Number | Availability | Unit Price (USD) | Quantity | Ordering |
Edge connector and two card guides for IMSAI backplanes  | EXPM | In stock | $22.00 | | |
| MIO, SIO 2 18-in (450-mm) internal cable, 26-pin card edge to DB25-F | CABLE A | 10 day lead time | $29.00 | | |
| PIO 4 18-in (450-mm) internal cable, 50-pin card edge to two DB25-F | CABLE B | 10 day lead time | $49.00 | | |
Port expansion module for PIO 4-1 Rev-2 | PIO 4M-R | 8/1/2025 | $35.00 | | |
| Port expansion module for SIO 2-1 Rev-3 | SIO 2M-R | In stock | $30.00 | | |
| Socket set for CP-A Rev-4, machined | SOCM-CP-A-R | In stock | $28.00 | | |
| Socket set for CP-A Rev-4, standard | SOC-CP-A-R | In stock | $9.00 | | |
| Socket set for MPU-A, machined | SOCM-MPU-A | In stock | $24.00 | | |
| Socket set for MPU-A, standard | SOC-MPU-A | In stock | $7.00 | | |
| Socket set for PIO 4-1 Rev-2, machined | SOCM-PIO 4-1-R | 8/1/2025 | $14.00 | | |
| Socket set for PIO 4-1 Rev-2, standard | SOC-PIO 4-1-R | 8/1/2025 | $5.00 | | |
| Socket set for PIO 4-4 Rev-2, machined | SOCM-PIO 4-4-R | 8/1/2025 | $26.00 | | |
| Socket set for PIO 4-4 Rev-2, standard | SOC-PIO 4-4-R | 8/1/2025 | $8.00 | | |
| Socket set for SIO 2-1 Rev-3, machined | SOCM-SIO 2-1-R | 10 day lead time | $28.00 | | |
| Socket set for SIO 2-1 Rev-3, standard | SOC-SIO 2-1-R | 10 day lead time | $9.00 | | |
| Socket set for SIO 2-2 Rev-3, machined | SOCM-SIO 2-2-R | 10 day lead time | $35.00 | | |
| Socket set for SIO 2-2 Rev-3, standard | SOC-SIO 2-2-R
| 10 day lead time | $11.00 | | |
You may order a bare printed circuit board for you to use your own parts.
Be advised that individual parts are not available to bare board customers unless they are explicitly in the parts list below.