DFI EC531-KH/EC532-KH Modular-Designed Embedded System
7th Gen Intel® Core™ Processor
Features
- Supports DDR4 SODIMM up to 64GB
- Three independent displays: 1 VGA + 1 DVI + 1 DP
- Rugged and Fanless Embedded System
- Rich I/O connectivity: 2 GbE, 8 COM, 8 USB 3.0, 2 USB 2.0, 1 M.2 NVMe slots
- 3 expansion slots: PCIe + PCI
Product Views and Dimensions
The system is presented with various views and dimensional information. It features a fanless design, supporting DDR4 memory, M.2 NVMe storage, and wide temperature/voltage ranges. Certifications include Microsoft Azure, Fanless, FCC, CE, and RoHS.
Front Panel Layout
The front panel includes: Power Button, Power/HDD LED, Reset Button, USB 2.0 ports, and COM 1~2 ports. A Wi-Fi Antenna Hole is also present.
Rear Panel Layout
The rear panel features: DVI-I (DVI-D signal), USB 3.0 ports, DP, LAN 1~2 ports, DC-in, COM 6~8 ports, VGA, DIO, Expansion Slot, and Storage. It also includes Line-out / Mic-in COM 3~5 ports.
Dimensions
The system has the following dimensions: Width 235.00 mm, Height 153.80 mm, Depth 222.10 mm. Views are provided from the Front, Left, Right, and Rear.
Specifications
| Category | Item | Details |
|---|---|---|
| SYSTEM | Processor | 7th Generation Intel® Core™ Processors, BGA 1440 (Intel® Xeon® E3-1535M v6, Intel® Core™ i7-7820EQ, Intel® Core™ i5-7440EQ, Intel® Core™ i5-7442EQ, Intel® Core™ i3-7100E, Intel® Core™ i3-7102E) |
| Chipset | Intel® CM238 Chipset, Intel® QM175 Chipset | |
| Memory | Two 260-pin SODIMM up to 64GB (CM238 supports ECC) Dual Channel DDR4 2400MHz | |
| BIOS | Insyde SPI 128Mbit | |
| Controller Feature | Intel® HD Graphics, OpenGL up to 5.0, DirectX 11, OpenCL 2.1. HW Decode: HEVC/H.265, H.264, M/JPEG, MPEG2, VC1/WMV9, VP8 (8-bit), VP9 (10-bit). HW Encode: HEVC/H.265, M/JPEG, MPEG2, VP8. | |
| Display | 1 x VGA (resolution up to 1920x1200 @ 60Hz), 1 x DVI (DVI-D signal, resolution up to 1920x1200 @ 60Hz), 1 x DP (resolution up to 4096x2304 @ 60Hz) | |
| Triple Displays | VGA + DVI (DVI-D signal) + DP | |
| STORAGE | Internal | 2 x 2.5" SATA 3.0 Drive Bay support RAID 0/1 |
| M.2 | 1 x M.2 2280 M key (PCIe x4 NVMe, Intel optane memory support) | |
| EXPANSION | Interface | 1 x PCIe x16 + 2 x PCI (EC531-KH only) or 2 x PCIe x16 (1 x 1 and 1 x 8 signal) + 1 x PCI (EC532-KH only) |
| Mini PCIe | 1 x Full-size Mini PCIe with micro SIM socket (PCIe/USB), 1 x Full/Half-size Mini PCIe with micro SIM socket (USB) | |
| Ethernet Controller | 1 x Intel® I211IT PCIe (10/100/1000Mbps), 1 x Intel® I219LM with iAMT11.0 PCIe (10/100/1000Mbps) (only Core i7/i5 supports iAMT) | |
| LED | Indicators | 1 x Power LED, 1 x HDD LED |
| Buttons | 1 x Power Button, 1 x Reset Button | |
| FRONT I/O | Serial | 2 x RS-232/422/485 (DB-9) (RS-232 with power) |
| USB | 2 x USB 2.0 (type A) | |
| Wi-Fi Antenna | 3 x Antenna Hole | |
| Power | 1 x Power Button, 1 x Reset Button | |
| REAR I/O | Ethernet | 2 x GbE (RJ-45) |
| Serial | 6 x RS-232/422/485 (DB-9) | |
| USB | 8 x USB 3.0 (type A) | |
| Display | 1 x VGA, 1 x DVI (DVI-D signal), 1 x DP | |
| Audio | 1 x Line-out, 1 x Mic-in (available upon request) | |
| WATCHDOG TIMER | Output & Interval | System Reset, Programmable via Software from 1 to 255 Seconds |
| SECURITY | TPM | TPM 2.0 (optional) |
| Power Type | Wide Range 9~36V | |
| POWER | Connector | 3-pole Terminal Block, 2-pin Power Extension Switch Connector |
| OS SUPPORT | Mechanism | Windows 10 IoT Enterprise 64 Bit, Linux (available upon request) |
| Construction | Metal + Aluminum | |
| MOUNTING | Mounting | Wall Mount |
| DIMENSIONS | Dimensions (W x H x D) | 235 x 153.8 x 222.1mm |
| WEIGHT | Weight | TBD |
| ENVIRONMENT | Operating Temperature | 0 to 50°C (HDD), -20 to 60°C (SSD), -40 to 70°C (optional) |
| Storage Temperature | -20 to 85°C | |
| Relative Humidity | 5 to 95% RH (non-condensing) | |
| Shock | Half sine wave 3G, 11ms, 3 shock per axis | |
| STANDARDS AND CERTIFICATIONS | Vibration | IEC68-2-64 |
| Certification | CE, FCC Class A, Microsoft Azure |
Wall Mounting
The system can be mounted on a wall using the provided mounting kit. The diagram shows the placement of mounting brackets and screws, with dimensional references for hole spacing (Ø3.60, Ø8.50) and overall dimensions (251.60, 262.60).
Ordering Information
| Model Name | Part Number | Description |
|---|---|---|
| EC531-KH | 750-EC5312-100G | EC531-KH Fanless, KH263-QM175, I5-7440EQ, 8 COM, 16 DIO, 10 USB, 2 LAN, 2 PCI, 1 PCIe, DC 9~36V input, F/G SYSTEM RoHS, Op. temp. -20 to +60°C |
| EC532-KH | by customer's request | EC532-KH Fanless, KH263-CM238, E3-1535M v6, 4 COM, 16 DIO, 8 USB, 6 LAN, 1 PCI, 2 PCIe, DC 9~36V input, F/G SYSTEM RoHS, Op. temp. -20 to +60°C |
Optional Items
| Optional Items | Part Number | Description |
|---|---|---|
| SO-DIMM | 138-540002-106G | 4GB DDR4 2666Mhz SO-DIMM 1Rx8 512Mx8 CL19 1.2V |
| 138-580004-102G | 8GB DDR4 2666Mhz SO-DIMM 1Rx8 1Gx8 CL19 1.2V | |
| 138-5G0163-102G | 16GB DDR4 2666Mhz SO-DIMM 2Rx8 1Gx8 CL19 1.2V | |
| 138-580004-104G | 8GB DDR4 2666Mhz SO-DIMM 1Rx8 IND 1Gx8 CL19 1.2V, wide temp. | |
| 138-5G0163-103G | 16GB DDR4 2666Mhz SO-DIMM 2Rx8 IND 1Gx8 CL19 1.2V, wide temp. | |
| 138-540002-107G | 4GB DDR4 2666Mhz ECC-SO-DIMM 1Rx8 512Mx8 CL19 1.2V | |
| 138-580004-103G | 8GB DDR4 2666Mhz ECC-SO-DIMM 1Rx8 1Gx8 CL19 1.2V | |
| 785-RSOD44G | SODIMM, DDR4 Module, 4GB, RoHS | |
| 785-RSOD48G | SODIMM, DDR4 Module, 8GB, RoHS | |
| 785-RSOD416G | SODIMM, DDR4 Module, 16GB, RoHS | |
| 785-RSOD432G | SODIMM, DDR4 Module, 32GB, RoHS | |
| M.2 SSD | 785-M2PCIE032G | 32GB, M.2 2280 SSD, PCIE x4, M Key, TLC, RoHS |
| 785-M2PCIE064G | 64GB, M.2 2280 SSD, PCIE x4, M Key, TLC, RoHS | |
| 785-M2PCIE128G | 128GB, M.2 2280 SSD, PCIE x4, M Key, TLC, RoHS | |
| 785-M2PCIE256G | 256GB, M.2 2280 SSD, PCIE x4, M Key, TLC, RoHS | |
| 785-S25032G | 32GB, 2.5" SSD, SATA3, MLC, RoHS | |
| 2.5" SSD | 785-S25064G | 64GB, 2.5" SSD, SATA3, MLC, RoHS |
| 785-S25128G | 128GB, 2.5" SSD, SATA3, MLC, RoHS | |
| 785-S25256G | 256GB, 2.5" SSD, SATA3, MLC, RoHS | |
| 785-S25512G | 512GB, 2.5" SSD, SATA3, MLC, RoHS | |
| Wi-Fi/BT Kit | 612-WPEQ26-000G | MINI-CARD 802.11ac/a/b/g/n+BT, 2T2R, WPEQ-261ACN(BT), SPARKLAN |
| Power Cord | 785-PWRD | Power Cord, Standards (USA/EUR/CH/UK), 1.8m, RoHS |
| Power Adapter | 671-110002-100G | 100W, 12V, Level 6, RoHS |
| 671-110003-100G | 120W, 19V, Level 6, RoHS | |
| 671-112005-100G | 120W, 24V, Level 6, Wide Temp, RoHS | |
| 671-116003-000G | 160W, 19V, Level 6, RoHS | |
| Wall Mount | 761-EC5410-000G | Wall Mount Kit, RoHS |
Packing List
- 1 EC531-KH/EC532-KH system unit
- 1 Extend power switch cable
- 1 terminal block 3pole for DC input
- 1 cable with 2 wire stripped and tinned to DC jack
www.dfi.com
DFI reserves the right to change the specifications at any time prior to the product's release. Changes thereafter will be based on the product's revision. Please contact your sales representative for the exact revision offered in your area. All product names mentioned are trademarks of their respective companies. July 8, 2025 DFI Inc.
