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240W USB C GaN PD3.1 Power Adapter 48V 5A Fast Charger for AI Supercomputers, NVIDIA DGX Spark, Framework Laptop 16, Dell HP MSI ASUS Lenovo Gaming Laptops, Thunderbolt 5/4 Docking Station PSU
CASIMY

CASIMY 240W USB C GaN PD3.1 Power Adapter 48V 5A Fast Charger for AI Supercomputers

Bottom line: The CASIMY 240W USB C GaN PD3.1 Power Adapter 48V 5A Fast Charger is a specs-and-price decision rather than a crowd-consensus one in the power supplies category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Backed by CASIMY's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

About this item Input voltage range of AC 100-240V allows for use in different countries and regions. Output current of DC DC 48V 5A 240W / 36V 5A 180W / 28V 5A 140W / 20V 5A 100W / 15V 5A 75W / 12V 5A 65W / 9V 5A 45W / 5V 5A 25W for efficient power conversion. 240W USB TYPE C Charger with EPR Capable :48V 5A 240W ,36V 5A 180W, AVS: 15-48V 240W. 240 Watt USB C Charger were ETL FCC TUVGS CE CB UKCA KC KCC SAA C-tick RCM Certified. 【Engineered for AI High-Performance Computing】 Specially optimized for next-generation AI Supercomputers and high-end workstations. Fully compatible with NVIDIA DGX…

SpecPicks Verdict

SpecPicks scored CASIMY 240W USB C GaN PD3.1 Power Adapter 48V 5A Fast Charger using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. CASIMY's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Input voltage range of AC 100-240V allows for use in different countries and regions. Output current of DC DC 48V 5A 240W / 36V 5A 180W / 28V 5A 140W / 20V 5A 100W / 15V 5A 75W / 12V 5A 65W / 9V 5A 45W / 5V 5A 25W for efficient power conversion. 240W USB TYPE C Charger with EPR Capable 48V 5A 240W ,36V 5A 180W, AVS 15-48V 240W. 240 Watt USB C Charger were ETL FCC TUVGS CE CB UKCA KC KCC SAA C-tick RCM Certified.
  • 【Engineered for AI High-Performance Computing】 Specially optimized for next-generation AI Supercomputers and high-end workstations. Fully compatible with NVIDIA DGX Spark and various AI compute modules, providing a stable, continuous 240W peak power supply to ensure deep learning and complex parallel computing tasks run without throttling or power loss.
  • 【PD 3.1 & Cutting-Edge GaN Technology】 Built with the latest USB Power Delivery 3.1 protocol, supporting a massive 48V 5A (240W) output. Integrated with lastest GaN (Gallium Nitride) chips, it offers higher conversion efficiency and significantly lower heat generation, packing more power into a smaller, more portable footprint.
  • 【Ultra-Compact & High Power Density】 Measuring only 152 × 69 × 31 mm, this 240W adapter delivers massive output in a remarkably small footprint. It is significantly more compact and lightweight than traditional 240W power bricks, making it the perfect space-saving solution for crowded AI laboratory benches, compact server racks, or minimalist desktop setups—ensuring your NVIDIA DGX Spark or AI workstation has elite power without the bulk.
  • 【24/7 Industrial Reliability & Safety】 Equipped with a comprehensive Multi-Protection System, including Over-Voltage (OVP), Over-Current (OCP), Short-Circuit (SCP), and Intelligent Temperature Control, was ETL / FCC / TUV / GS / CE / CB / UKCA / KC / KCC / SAA / C-tick / RCM Certified Undergoes rigorous aging tests to ensure 24/7 stable operation while protecting your expensive AI core hardware.
  • 【Universal Ultra-Compatibility】 Beyond AI hardware, this adapter is the ultimate power solution for Framework Laptop 16(2025), high-performance gaming laptops (Dell, MSI, Alienware), NVIDIA DGX Spark/Asus Ascent GX10 Desktop AI Computer, Veriton GN100 AI Mini Workstation, Dell Pro Max with GB10, Gigabyte AI TOP ATOM, Lenovo ThankStation PGX, MSI EdgeXpert, Lenovo Talix Zeta Power Station, and high-power Thunderbolt 4/5 docking stations. It is also backward compatible with 140W, 100W, and 65W devices.

Full Specifications

ASINB0F3852BFX
BrandCASIMY
ColorBlack
Wattage240 watts
Amperage5 Amps
PortableYes
Unit Count1.0 Count
ManufacturerShenzhen Huikeyuan Electronic Technology Co.,ltd
Model NumberA12-2-190003420
Power SourceCorded Electric
Input Voltage240 Volts (AC)
Built-In Media1 adapter
Connector TypeUSB Type C
Output Current5 Amps
Output Voltage48 Volts (DC)
Number of Items1
Special FeatureFast Charging, Lightweight Design, Short Circuit Protection
Compatible DevicesReplacement for 240W 180W 140W 100W PD charger for NVIDIA DGX Spark/Asus Ascent GX10 Desktop AI Computer, Framework Laptop 16 (2025),Veriton GN100 AI Mini Workstation, Dell Pro Max with GB10,Gigabyte AI TOP ATOM,Lenovo ThankStation PGX,MSI EdgeXpert,Lenovo Talix Zeta Power Station and moreSee more
Enclosure MaterialPolycarbonate(PC)--Flame resistance applies to UL94-V1
Additional FeaturesFast Charging, Lightweight Design, Short Circuit Protection
Full listing title240W USB C GaN PD3.1 Power Adapter 48V 5A Fast Charger for AI Supercomputers, NVIDIA DGX Spark, Framework Laptop 16, Dell HP MSI ASUS Lenovo Gaming Laptops, Thunderbolt 5/4 Docking Station PSU

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240W USB C GaN PD3.1 Power Adapter 48V 5A Fast Charger for AI Supercomputers, NVIDIA DGX Spark, Framework Laptop 16, Dell HP MSI ASUS Lenovo Gaming Laptops, Thunderbolt 5/4 Docking Station PSU is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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