M12 FLEX 1U Active PFC Mini PSU
M12 FLEX-1U (250W–350W)Ultra-compact 250W–350W Flex-ATX 1U power supply with Active PFC, achieving up to 85% efficiency for 1U rackmount servers, NAS appliances, Mini-ITX cases, and edge computing nodes.
Product Specifications
Full breakdown (11 specs) ↓Platform overview
Designed around the brief.
Built to rigorous industrial standards with verified thermal dynamics, precision topology control, and high-efficiency power delivery engineered for heavy compute demands.
≥90%
80 PLUS Gold certified
≤50 µs
Fast recovery response
9-Fold
Hardware safety suite
>100k h
MTBF industrial rating
Custom wattage bins (550W–1050W), bespoke cable harness lengths, custom fan curves, and private label chassis grilles available for enterprise orders.
Inquire for custom platform specsStandard Flex-ATX 1U dimensions engineered for 1U rackmount servers, Mini-ITX, and NAS chassis
Configuration and availability require confirmation for the final product program.
Active PFC circuitry with SendustCore choke delivering power factor >0.98 and high energy efficiency
Configuration and availability require confirmation for the final product program.
Full-range 90–264V AC input capability providing stable operation in fluctuating voltage areas
Configuration and availability require confirmation for the final product program.
Industrial 40mm thermal fan with smart speed curve balancing high static pressure and acoustic noise
Configuration and availability require confirmation for the final product program.
High-grade Taiwan-sourced components ensuring continuous 24/7 industrial duty and >100,000h MTBF
Configuration and availability require confirmation for the final product program.
Comprehensive 9-fold hardware protection suite guarding against grid transients and short circuits
Configuration and availability require confirmation for the final product program.
Flexible low-profile cable harness tailored for space-constrained Mini-ITX enclosures
Configuration and availability require confirmation for the final product program.
Broad motherboard compatibility supporting modern high-density multi-core edge compute boards
Configuration and availability require confirmation for the final product program.
Architecture & Hardware Showcase
Precision engineering, inside and out.
Direct view into component selection, structural PCB layout, and thermal topology.
Chassis & Enclosure
Durable matte black / industrial enclosure designed for optimal ventilation and component protection.
Internal Architecture & Layout 1
Internal component layout showcasing filtration stage, transformer section, and precision manufacturing.
Structured data
Specifications
The M12 platform delivers industrial-grade power in the standardized Flex-ATX 1U mini form factor. Featuring Active PFC, two-switch forward topology, Taiwan-sourced bulk capacitors, and an ultra-wide 90–264V AC input, it provides reliable 24/7 continuous duty for compact servers, surveillance recorders, and SFF PCs.
M12 FLEX 1U Active PFC Mini PSU Engineering Datasheet
PDF · Mechanical dimensions & pinouts
Manufacturing & Test Standards
- Chroma 8000 automated test validation
- 100% Hi-Pot & thermal burn-in tested
- Intel ATX 3.1 & PCIe 5.1 native certification
- Taiwan / Japanese 105°C primary capacitor tier
Need custom voltage tolerances, custom cable harnesses or compliance records? Contact our power engineering team →
- Rated output
- 250 W – 350 W
- Efficiency tier
- Up to 85% typical (Bronze tier performance)
- Topology
- Active PFC + Two-Switch Forward (Flex-ATX / 1U)
- AC input range
- 90 – 264 V (Full Range universal input)
- Dynamic response
- ≤50 µs transient recovery time
- Power factor
- >0.98 (SendustCore PFC choke)
- Cooling fan
- 40 mm high-pressure thermal fan (min 1500 RPM)
- Modularity
- Direct-wire compact black ribbon cables
- Protection suite
- Brown-out, OVP, UVP, OCP, OPP, SCP, ESD, Surge, EMC
- MTBF
- >100,000 hours (Taiwan components)
- Form factor
- Flex-ATX 1U (150 x 81.5 x 40.5 mm)
PC Power Supply Engineering
PC Power Supply OEM/ODM & Technical Support
Direct technical & commercial access for desktop, gaming rig, and workstation power supplies. Discuss wattage sizing (550W–1050W), ATX 3.1 & 12V-2x6 GPU delivery, modular cabling, and PC chassis compatibility with our engineering team.
Direct FAE evaluation for GPU transient spikes (200% excursion), 12V-2x6 cable clearance, and motherboard 24-pin compatibility within 24 hours.
Golden engineering units shipped in 3–5 days to validate PC chassis mounting, FDB fan acoustic profiles, and GPU power delivery under real loads.
Custom embossed/braided modular cables, customized casing finishes (Black/White), branded fan grilles, and bilateral NDA protection.
Complete ATE automated test reports (ripple <30mV, voltage regulation <±1.5%), cross-load efficiency curves, thermal imaging, and 3D CAD STEP files.
PC Power Supply Project Roadmap
- 1Platform & Wattage Selection: Choose standard wattage (550W–1050W), modular format (Full/Semi/Direct), or custom embossed cable lengths.
- 2Chassis & GPU Compatibility Review (<24h): Our FAEs verify 140mm chassis depth fitment, 12V-2x6 thermal safety, and thermal airflow curves.
- 3EVT Prototype & Bench Test: Receive working samples for system smoke test & motherboard validation, followed by mass production.
For urgent PC system integration, gaming rig bids, or high-volume PSU orders, contact our power supply engineering team via larry@encon.ltd for immediate assistance.
Downloads
Formal product documents are not yet available.
Ask ENCON for the latest approved datasheet or certification document.