What are the dimensions of the ASUS NUC 13 Rugged mini PC?

The dimensions of the ASUS NUC 13 Rugged mini PC are 6.85 inches x 4.25 inches x 1.41 inches.

What type of CPU does the ASUS NUC 13 Rugged use and what is its maximum speed?

The ASUS NUC 13 Rugged uses an Intel Atom Processor x7425E, which can reach up to 3.4GHz Turbo.

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ASUS NUC 13 Rugged Bravo Canyon Intel Atom x7425E mini PC Barebone (90AS0021-M000T0)w/DDR5 SO-DIMM slot , 1x M.2 2280 slot, 1xM.2 3042 slot

Intel Atom Processor x7425E (Up to 3.4GHz Turbo), 4 Core, 6MB L3 Cache, (12W TDP)
1 x SO-DIMM DDR5 4800 MT/s memory 8GB~16GB optional “in-band” ECC support
64GB eMMC soldered-down
1x M.2 2280 PCIe x2 Gen4x4, supports 128GB~4TB NVMeSSD
1x M.2 3042 PCIe SATA, supports 128GB-2TB SSD, w/ 1 x USB3.2 Gen2
Intel® Wi-Fi 6E AX210 (Gig+) w/External Antenna, Bluetooth® v5.3
2 x Intel® Ethernet Controller I226-LM, 2.5G
Dimension: 174 x 108 x 35.8H mm (external heatsink)[H: +3.4mm rubber feet]
Weight: 1.0369kg
Extended temperature on tall chassis: 0-50°C external ambient operating temperature tolerance
3042 WWAN modem and SIM card slot (select x7425E SKUs only; validated with LTE Cat6 modem; customer owns certifications)
Kits and boards offer the perfect combination of performance, connectivity, and reliability in a fanless, dust-resistant ruggedized chassis.
Can withstand 0° to 50°C external ambient operating temperatures on select kits.
Built to survive environments most PCs can't.
Versatile mounting options to put compute where it's needed.
Qualified for 24/7 sustained operation1.