Architecture	COM-based SBC	Single-Board	COM-based SBC	Single-Board	COM-based SBC	Com-Based SBC	COM-based SBCs	Single-Board	Single-Board	Single-Board	COM-based SBC
Form Factor	PCI/104-Express	3.5 inch	COM Express Mini	PC/104-Plus	COM Express Mini	ETX	EPIC	PC/104	PC/104	PC/104	3.5 inch
Processor	Whiskey Lake Gen8 i7 8665UE 1.7GHz 4C	Skylake Gen6 Core i7- 6600U 2.6GHz 2C Kaby Lake Gen7 Core i7-7600U 2.8GHz 2C	Bay Trail: E3845 1.91GHz 4C Apollo Lake: E3940 1.6GHz 4C N4200 1.1GHz 4C	Bay Trail E3845 1.91GHz 4C Bay Trail E3826 1.46GHz 2C	Bay Trail E3845 1.91GHz 4C	1.91GHz Intel E3845.	1.91GHz Intel E3845, 1.65GHz AMD G-T56N or 1.0GHz AMD G-T40N	Vortex86DX3 at 1GHz	DMP Vortx86DX 800MHz / 1GHz	AMD Geode LX800 at 500MHz	Toradex Apalis ARM modules: T30 1.46GHx Quad Core Cortex 9 I.MX6 1GHz/800MHz Cortex A9 i.MX8 1.6GHz Cortex A-72, A53 & M4
RAM	16GB / 32GB DDR4 SODIMM	4GB down + 4-16GB DDR4 SODIMM	E3845 4GB down E3940 4GB down N4200 8GB down	E3826 2GB down E3845 4GB down	E3845 4 GB down	Up to 8GB DDR3 SDRAM SO-DIMM	2GB or 4GB DDR3 SDRAM SO-DIMM	1GB or 2GB onboard	256MB down	512MB/1024MB	1-4GB down depending on COM
Expansion Interface	PCI/104-Express (PCIe + PCI) PCIe MiniCard	PCI/104-Express (PCIe + PCI) 2x PCIe MiniCard	PCIe + SATA expansion connector	PC/104-Plus (ISA & PCI) PCIe MiniCard	PC/104 ISA	PC/104-Plus (ISA & PCI)	PC/104-Plus (ISA & PCI)	PC/104 (ISA)	PC/104 ISA	PC/104 (ISA)	PCIe MiniCard MicroModule
Display Support	2x HDMI 1x Dual-channel 24-bit LVDS	LVDS dual-channel HDMI VGA	LVDS single-channel VGA	LVDS dual-channel HDMI, VGA DisplayPort	VGA, single-channel 24-bit LVDS	LVDS LCD flat panel, VGA CRT, TV output, SDVO interface	VGA CRT, LVDS, TV out LCD backlight control	VGA CRT and LCD flat panel	VGA, single-channel 24-bit LVDS	VGA CRT and LCD flat panel	LVDS HDMI VGA (i.MX6 only)
USB Ports	4x USB 2.0 2x USB 3.0	2x USB2.0 4x USB3.0/USB2.0	4x USB 2.0 1x USB 3.0	3x USB 2.0 1x USB 3.0	4x USB 2.0 1x USB 3.0	4 USB 2.0	4 USB 2.0	3 or 6 USB 2.0	4x USB 2.0	2 USB 2.0	2x USB 3.0 OTG support
Serial Ports	4x RS-232/422/485	4x RS-232/422/485	4x RS-232/422/485	4x RS-232/422/485	4x RS-232/422/485	3 RS-232 1 RS-232/422/485	4 RS-232/422/485 2 RS-232/TTL	2 RS-232 2 RS-232/422/485	2x RS-232 + 2x RS-232/422/485	1 RS-232 1 RS-232/422/485	8x RS-232/422/485 Software config
Network	2x Gigabit Ethernet	2x Gigabit Ethernet	2x Gigabit Ethernet	2x Gigabit Ethernet	2x Gigabit Ethernet	Dual Realtek 8103L 10/100Base-T Ethernet	1 Realtek 8103L 10/100 Ethernet and 1 Gigabit Ethernet	1 10/100Base-T Ethernet 1 Gigabit Ethernet	1x 10/100 Ethernet	1 Realtek 8100CL 10/100 base-T Ethernet	2x Gigabit Ethernet
Mass Storage	1x PCIe Minicard 1x M.2 2242 SATA 1x SATA 7-pin	1x SATA 7-pin 1x SATA-DOM 1x mSATA	1x mSATA 1x Micro SD	1x SATA-DOM 1x mSATA	1x M.2 2230 SATA 1x SATA 7-pin	2 SATA ports, 1 IDE port, CompactFlash Type II Socket	2 SATA, 1 IDE (master/slave), CompactFlash, flashdisk	1 SATA mSATA flashdisk	IDE 2mm connector	1 IDE UDMA 33, CompactFlash	1 micro SD 1 mSATA socket
Audio	HDA audio	HDA audio with Line in, Line out, Mic in	HDA audio via Daughterboard	HDA audio with Line in, Line out, Mic in	HDA audio	AC '97, Line-in/out, Mic	AC '97, Line-in/out, Mic	ALC892 Codec HD audio, Line-in/out, Mic	Line in, Line out, and Mic in		Line in, Line out, and Mic in
Power In	16-34VDC	9-18VDC	6-36VDC	5VDC	5VDC	5V ±5%	+5VDC ±5% or 7-28VDC	5VDC ±5%	5VDC	5VDC ±5%	9-36VDC
Operating Temp	-40°C to +85°C	-40°C to +85°C	-40°C to +85°C	-40°C to +85°C	-40°C to +85°C	-20°C to +71°C or -40°C to +85°C (depending on ETX CPU module)	-20°C to +71°C or -40°C to +85°C (depending on ETX CPU module)	-40°C to +85°C	-40°C to +85°C	-40°C to +85°C	-20°C to +71°C -40°C to +85°C
Dimensions	4.0" x 4.0" 102 x 102mm	5.75" x 4.0" 146 x 102mm	3.30" x 2.16" 84 x 55mm	4.5" x 4.0" 114mm x 102mm	4.2 x 4.5" 106 x 114mm	4.5" x 3.7" (114mm x 95mm)	4.53" x 6.50" (115mm x 165mm	3.550" x 3.775" (90mm x 96mm)	3.550" x 3.775" 90mm x 96mm	3.775" x 3.550" (96 x 90mm)	5.75" x 4.0" 146 x 102mm
Weight	4.3 oz (121g)	12.4 oz (352g)	7.7 oz (220g)	10.4oz (296g)	4.4oz (125g)	11.2oz (318g)	22oz (624g) maximum	2.5oz (71g)	2.5oz (71g)	4.1oz (121g)	4.2oz (119g)
Analog In			16 single-ended / 8 differential 16-bit resolution	16 single-ended / 8 differential 16-bit resolution	16 single-ended / 8 differential 16-bit resolution		32 single-ended or 16 differential or 16 SE + 8 DI; 16-bit resolution	16 single-ended or 8 differential, 16-bit	16 single-ended / 8 differential 16-bit resolution		4x single-ended 12-bit resolution
Max Rate			100KHz	250KHz	100KHz		250KHz	100KHz	250KHz		180KHz
Input Ranges			10V, ±5V, 0-10V, 0-5V	±10V, ±5V, ±2.5V,±1.25V, 0-10V, 0-5V, 0-2.5V	±10V, ±5V, ±2.5V, ±1.25V, 0-10V, 0-5V, 0-2.5V		±10V, ±5V, ±2.5V, ±1.25V , 0-10V, 0-5V, 0-2.5V, 0-1.25V	±10V, ±5V, 0-10V, 0-5V	±10V, ±5V, ±2.5V, ±1.25V, 0-10V, 0-5V, 0-2.5V		0-3.3V
Accuracy			< ±28LSB	< ±2LSB	< ±3LSB		< ±2LSB after autocalibration	< ±2LSB	< ±3LSB		< ±18LSB
A/D FIFO			2048 samples with programmable threshold	2048 samples with programmable threshold	2048 samples		1024 samples with programmable threshold	2048 samples with programmable threshold	2048 samples with programmable threshold
Analog Out			4 16-bit	4 16-bit	4 12-bit		4 12-bit channels	4 16-bit channels	4 16-bit
Output Ranges			0-5V, 0-2.5V	±5V, ±10V, 0-5V, 0-10V	,±10V, ±5V, 0-10V, 0-5V,		±5V, ±10V, 0-5V, 0-10V	0-5V, 0-2.5V	±5V, ±10V, 0-5V, 0-10V
Digital I/O	8 GPIO, 3.3V logic	16 GPIO 3.3V/5V	27 GPIO 3.3V/5V	22 GPIO 3.3V/5V	24 GPIO 3.3V & 5V		24 lines, 3.3V/5V compatible; 8 opto-isolated inputs and outputs	D Models: 16 lines A Models: 27 lines	24-40 GPIO 3.3V/5V		16x GPIO (3.3V)
Direction		Programmable	Programmable	Programmable	Programmable		Programmable	Programmable	Programmable		Programmable
Pull-up		Prog. up/down	Prog. up/down	Prog. up/down	Prog. up/down						Prog. up/down
Counters			8 32-bit up/down	8 32-bit up/down	8 32-bit up/down		1 24-bit and 1 16-bit A/D sample rate control counter/timer, programmable interrupts	8 32-bit	1 24-bit, 1 16-bit