| 
Model
 | 
– LI21-H420E 
– LI21-H420E2 (Onboard TPM2.0)
 | 
| 
Form Factor
 | 
– Thin Mini-ITX (170 * 170mm)
 | 
| 
Processor System
 | 
– Intel® LGA1200 Socket supports 10/11th Gen Core Processor, Max. 65W 
– Intel® Comet Lake-S H420E Chipset 
– AMI 256M Flash ROM
 | 
| 
Memory
 | 
– 2* DDR4 2933/2666MHz SO-DIMM up to 64GB
 | 
| 
Storage
 | 
– 1* M.2 M-key (2280, PCI-Ex4 interface, support NVMe SSD) 
– 1* SATAIII
 | 
| 
Expansion
 | 
– 1* M.2 E-key (2230, CNVi/PCI-Ex1/USB2.0, support WIFI/BT) 
– 1* M.2 B-key (3042/3052, USB3.2/USB2.0, support 3G/4G/5G Module) 
– 1* PCI-E x16 slot (Maximum power supply 75W)
 | 
| 
Ethernet
 | 
– 1* Intel® i226-V 2.5GbE 
– 1* Intel® i219-LM GbE
 | 
| 
Graphics
 | 
– Intel® HD Graphics, shared Memory 
– 2* HDMI 1.4 (Max Resolution : 4096×2160@30Hz, HDMI1 Co-lay VGA) 
– 1* DP1.4 (Max Resolution : 5120×3200@60Hz) 
– 1* LVDS/eDP (Max Resolution : LVDS: 2560×1600@60Hz) 
– Support Dual Displays
 | 
| 
Audio
 | 
– HD audio: Realtek ALC888S
 | 
| 
Watchdog Timer
 | 
– From Super I/O to drag RESETCON# 
– 256 segments (10sec ~ 255min)
 | 
| 
Internal I/O
 | 
– 4* USB2.0 
– 2* RS232/422/485(COM1/2 Support 5V/12V TTL) 
– 4* RS232 (COM3/4 Support 5/12V TTL) 
– 1* SATAIII (6.0Gb/s) 
– 1* LVDS/eDP (Choose one from two) 
– 1* Inverter (PH2.0) 
– 1* M.2 M-key (2280, PCI-Ex4 interface, Support NVMe) 
– 1* M.2 E-key (2230, CNVi/PCI-Ex1/USB2.0 interface) 
– 1* M.2 B-key (3042/3052, USB3.2/USB2.0 interface) 
– 1* PCI-Ex16 slot (by CPU) 
– 1* GPIO (8 bit,5V) 
– 1* CPU FAN (W/ Smart FAN) 
– 2* System FAN (W/O Smart FAN) 
– 1* 4pin DC Connector 
– 1* 3pin Speaker (3W Amplifier) 
– 1* Chassis intrusion 
– 1* SMBUS/ I2C 
– 1* AT mode
 | 
| 
External I/O
 | 
– 4* USB3.2 (Gen1) 
– 2* HDMI1.4 (HMDI1 Co-lay VGA) 
– 1* DP1.4 
– 2* RJ45 
– 1* Audio Jack (Line-out + MIC) 
– 1* DC Jack
 | 
| 
Power
 | 
12-28V DC-in 
– AT: Directly PWR on as Power input ready 
– ATX: Press Button to PWR on after Power input ready 
 | 
| 
Compliance
 | 
– CE, FCC, RoHS, REACH compatible
 | 
| 
Temperature
 | 
– Operating Temperature: 0 ~ 60° C (with 0.7m/s air flow) 
– Storage Temperature: -20 ~ 70° C 
– Humidity: 10% ~ 90% RH @40°C (non-condensing)
 | 
| 
OS Support
 | 
– Windows 10, Windows 11, Linux
 |