UT100CA Industrial Motherboard

Nine Core Ultra SKUs from 125U to 185H, DDR5 up to 96 GB, dual Intel i226 2.5G LAN and dual HDMI 2.1 plus Type-C DP 4K, the UT100CA is the flexible top of the GEOLiNK NUC stack, shipped in the U-BOX-M5 chassis. U-series SKUs trim power draw for sealed boxes; H-series SKUs add threads for compute-heavy jobs, the same board hosts both.

CPU: Core Ultra 125U–185H, 28W
Memory: 2× DDR5 SO-DIMM, 96GB
Display: 2× HDMI 2.1 4K · 2× Type-C DP 4K
Network: 2× Intel i226 2.5G
Power: DC 12–19V, 90W+
Temperature: −20/+60°C operating

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Why UT100CA

Four reasons to start here

CPU

Nine SKUs, one board

Core Ultra 125U to 185H, U and H series, all at 28W, the widest CPU ladder in the NUC family, so one board covers many builds.

Memory

96 GB of DDR5

Two SO-DIMM sockets support 96 GB for virtualization hosts, analytics nodes and memory-hungry edge workloads.

LAN

Dual Intel i226

Two Intel 2.5G controllers as standard, with Wi-Fi, 4G/5G and Bluetooth expansion via the M.2 E-Key slot.

Headers

Two USB 2.0 headers

Two USB 2.0 pin headers plus RS232, more internal wiring points than the rest of the family for panel and enclosure wiring.

Full specifications

Technical data

Per the UT100CA English specification sheet, R101. Values can be verified against the datasheet on request.

UT100CA technical specifications
CPU	Onboard Intel Core Ultra series · 28W TDP · 125U / 135U / 155U / 165U / 125H / 135H / 155H / 165H / 185H · EFI BIOS
Memory	2× DDR5 SO-DIMM · up to 96 GB
Storage	1× M.2 M-Key 2280 (NVMe PCIe 4.0 x4) · 1× SATA 3.0 (2-pin 5V power)
Display	2× HDMI 2.1 (4K@60Hz) · 2× Type-C (DP 4K@60Hz + USB 3.0)
Network	2× Intel i226 2.5G LAN · Wi-Fi, 4G/5G and Bluetooth expansion supported
USB & Type-C	2× USB 3.0 external · 2× Type-C (DP + USB 3.0) · 2× USB 2.0 pin headers · audio
Serial	1× RS232 pin header
Expansion	1× M.2 E-Key (PCIe + USB 2.0, Wi-Fi/BT) · 1× 4-pin PWM CPU FAN · CIR reserved (software debug) · TPM 2.0 onboard CPU by default, external TPM 2.0 optional
Power	DC 12–19V input · 90W and above
Dimensions	100 × 100 mm · approx. 106.7 g without heatsink
Environment	−20°C to +60°C operating · 0–90% RH non-condensing · −40°C to +85°C storage · 0–90% RH non-condensing
Software	Windows 10 · Windows 11 · Linux

Need a port count that is not listed? Ask the engineer who owns the datasheet.

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Configuration

Ordering options

Options are configured at order time against the standard base board.

UT100CA ordering options
Option	Standard	Optional
CPU SKU	Selectable at order	Core Ultra 5 125U · 135U · 155U · 165U · Core Ultra 5 125H · 135H · 155H · 165H · Core Ultra 7 185H (28W)
Security	Onboard CPU TPM 2.0	External TPM 2.0 module

Product photos

UT100CA, every angle

UT100CA industrial motherboard, detail view

Where It Fits

Machine-adjacent control and desk-side compute

The UT100CA splits the difference between embedded control and workstation-class loads. Typical placements: One board across all nine SKUs means a single qualification, a single stock item and a simpler spare-part strategy.

01Machine-side control

the RS232 header and dual USB 2.0 headers tie into PLC panels, sensors and industrial peripherals inside the cabinet.

02Scientific computing

96 GB DDR5 and 185H-class SKUs handle dense number-crunching and analysis workloads in compact desktop boxes.

03Smart embedded systems

the −20/+60°C range and DC 12–19V input suit automation hubs and always-on embedded enclosures.

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