# PPC-CM4-121

> PPC-CM4-121 is a 12.1” industrial PC powered by the Raspberry Pi Compute Module 4 (Quad Cortex®-A72 processor at 1.5GHz clock).

- **Model:** PPC-CM4-121
- **Manufacturer:** Chipsee
- **Category:** [Panel PCs & HMI](https://www.innosmart.bg/en/catalog/panel-computers-hmi) — `panel-computers-hmi`, [.md](https://www.innosmart.bg/en/catalog/panel-computers-hmi.md)
- **Subcategory:** [Panel PCs & HMI](https://www.innosmart.bg/en/catalog/panel-computers-hmi/panel-computers-hmi) — `panel-computers-hmi`, [.md](https://www.innosmart.bg/en/catalog/panel-computers-hmi/panel-computers-hmi.md)
- **Status:** `active` — sold
- **Datasheet PDF:** none published
- **HTML page:** https://www.innosmart.bg/en/catalog/product/by-id/PPC-CM4-121
- **Request a quote:** https://www.innosmart.bg/en/contact?product=PPC-CM4-121

Prices and stock levels are not published; for a quote use the enquiry link above.

## Key parameters

| Parameter | Value | Key |
|---|---|---|
| Display size | 12.1" | `display_size` |
| Resolution | 1024 × 768 px | `resolution` |
| Width | 1024 px | `width_px` |
| Height | 768 px | `height_px` |
| Platform | Raspberry Pi CM4 | `platform` |
| CPU | ARM: Raspberry Pi CM4 | `cpu` |
| Operating system | Raspberry Pi OS | `operating_system` |
| Touchscreen | Capacitive | `touchscreen` |
| Mounting method | Panel Mounting & VESA | `mounting_method` |

Values are read from the table below. A parameter is absent when the manufacturer does not state it, or does not state it as one value — it is then only in the table.

## Specifications

### Specifications

| Parameter | Value |
|---|---|
| SKU | CS10768RA4121 |
| Net weight | 3100 g |
| Form-factor | Panel |
| CPU | ARM: Raspberry Pi CM4 |
| FLASH | 16GB |
| External storage | TF (microSD) Card Slot |
| Display size | 12.1" |
| Display resolution | 1024*768 |
| Brightness | 400 NIT |
| Touch Screen | Capacitive |
| WiFi/BT | Depends on the Compute Module 4 selected. |
| ZIGBEE | Optional |
| USB | 2 x USB 3.0 Host, 1 x USB OTG |
| CAN | 1 x CAN |
| RS232 | 2 x RS232 |
| RS485 | 2x RS485 |
| GPIO | 8 Channels, 4 Input, 4 Output |
| Ethernet | 1x RJ45, 1 Gbps |
| Audio | 3.5mm Audio In/Out Connector; Internal 2W Speaker |
| Buzzer | Onboard, driven by GPIO |
| RTC | High Accuracy RTC with Lithium Button Coin battery (lithium battery not included), can work 1 week after power off |
| Operating System | Raspberry Pi OS |
| Power Input | 15~36V DC |
| Current at 15V | 0.80A Max |
| Power Consumption | 13.2W |
| Mounting Method | Panel Mounting & VESA |
| CM4 Model | CM4002000 ($57): 2GB DDR, no WiFi, or eMMC; CM4002016 ($79): No WiFi/BT+2GB DDR+16GB eMMC; CM4002032 ($100): No WiFi/BT+2GB DDR+32GB eMMC; CM4102016 ($100): WiFi+2GB DDR+16GB eMMC; CM4102032 ($105): WIFI+2GB DDR+32GB eMMC; CM4104016 ($137): WIFI+4GB DDR+16GB eMMC; CM4104032 ($142): WIFI+4GB DDR+32GB eMMC; CM4108032 ($216): WIFI+8GB DDR+32GB eMMC |

---

Source: the innoSMART Automation catalogue (Hikrobot, Daheng Imaging and Chipsee). Specifications are the manufacturer's own, in English.