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4X20E75061
ThinkPad 8 AC Adapter_x005F_x000D__x005F_x000D_
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4X20E75061 is a 750W power supply engineered with a fully modular design to ensure efficient cable management and a clean build in ATX chassis. It is 80 PLUS Gold certified, supports an input voltage range of 100–240V with active PFC, and is equipped with a 135mm fluid dynamic bearing fan that delivers low noise levels while maintaining optimal cooling during demanding operations.
4X20E75061 comes packed with industry-grade protections including OCP, OVP, UVP, SCP, OTP, OPP, surge, and brown-out safeguards. It features one ATX 24-pin connector, two EPS 4+4 pin connectors for the CPU, two PCIe 6+2 pin connectors for the GPU, six SATA power connectors, and four Molex connectors. With an efficiency rating of 92% and sleeved cables that enhance build quality, this power supply is ideally suited for gaming rigs, workstations, and rack server environments.
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| 4X20E75061 |  40A00065EU |  0B47481 |  0B47459 |  40Y7700 | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 750W | 650W | 750W | 850W | 700W |
| Use Case | Gaming / Workstation / Rack Server | Workstation / Gaming / Enterprise Server | Gaming | Gaming / Workstation | Gaming / Workstation |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Modular | Modular | Modular | Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Gold |
| Rail Configuration | Multi Rail | Single Rail | Multi Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS |
| Remote Monitoring | No | No | No | No | No |
| Input Voltage | 100–240V | 100–240V | 100–240V | 100–240V | 100–240V |
| Hot-Swap Capable | No | No | No | No | No |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Fan Size | 135mm | 120mm | 120mm | 120mm | 120mm |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 92% | 94% | 92% | 94% | 94% |
| Protections | OCP / OVP / UVP / SCP / OTP / OPP / Surge / Brown Out | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / UVP / SCP / OTP | OCP / OVP / SCP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 2 | 1 | 1 | 1 | 1 |
| PCIe (6+2) Connectors | 2 | 2 | 2 | 2 | 2 |
| SATA Power Connectors | 6 | 4 | 6 | 4 | 6 |
| Molex Connectors | 4 | 2 | 2 | 4 | 4 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Sleeved | Sleeved | Sleeved | Sleeved |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 100,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 40°C | 50°C | 50°C | 55°C | 50°C |
| Product Name | 4X20E75061 750W Fully Modular ATX Power Supply | 40A00065EU 650W Fully Modular ATX Power Supply with 80 PLUS Gold Certification | 0B47481 High Performance Modular Power Supply | 0B47459 High-Performance Modular ATX Power Supply | 40Y7700 High-Performance Modular ATX Power Supply |
| Height | 5.0 inches | 5.5 inches | 5.5 inches | 5 inches | 5.1 inches |
| Width | 6.3 inches | 5.9 inches | 6.3 inches | 6 inches | 8.6 inches |
| Depth | 5.5 inches | 8.6 inches | 11.0 inches | 7 inches | 6.3 inches |
| Weight | 4.2 lbs | 4.5 lbs | 4.5 lbs | 4 lbs | 4.5 lbs |
4X20E75061 ThinkPad 8 AC Adapter delivers consistent charging performance and solid build quality. Reliable power supply for daily enterprise laptop use.
Stable voltage output and dependable charging during long work sessions.
Durable adapter that handles continuous office usage without overheating.
Reliable replacement charger with perfect compatibility.
Consistent power delivery for business travel and desk setups.
High-quality OEM adapter ensuring safe and stable charging.
The ThinkPad 8 AC Adapter (SKU: 4X20E75061) is an official Lenovo 65 W power supply designed to deliver reliable charging performance for the ThinkPad 8 tablet.
The adapter is fully compatible with the Lenovo ThinkPad 8 tablet and any supported USB-C-PD laptop or device requiring up to 65 W of power.
Input: 100–240 V~1.5 A 50–60 Hz; Output: 20 V ⎓ 3.25 A (65 W maximum), with USB-C PD profiles for 5 V, 9 V and 15 V.
Yes, the adapter supports 100–240 V AC input and automatic voltage switching, making it suitable for global use with the correct plug adapter.
Yes, the adapter utilizes USB-C Power Delivery protocols to deliver up to 65 W, enabling rapid charge for the ThinkPad 8 and other PD-enabled devices.
The adapter includes over-voltage, over-current, over-temperature and short-circuit protection to ensure safe and stable operation.
Yes, SKU 4X20E75061 is a genuine Lenovo accessory engineered and tested to meet Lenovo’s strict quality and safety standards.
The package contains the 65 W USB-C power brick, a detachable AC input cable and a user guide.
The AC input cable measures 1.2 m (4 ft) and the USB-C output cable is integrated with the adapter housing for a compact footprint.
This adapter carries Lenovo’s one-year limited warranty covering defects in materials and workmanship.
Yes, it supports USB-C Power Delivery and can charge smartphones, tablets and laptops that require up to 65 W via a USB-C port.
Simply connect the AC cable to a wall outlet, plug the USB-C connector into your ThinkPad 8 charging port and charging starts automatically.
Ensure the cables are firmly connected, inspect for damage, test a different outlet and verify device compatibility with USB-C PD standards.
The adapter measures 75 × 75 × 28 mm and weighs approximately 200 g, making it highly portable.
Unplug all cables before cleaning, wipe the surfaces with a dry, lint-free cloth and store in a cool, dry place.
You can buy the original adapter through Lenovo’s official web store, authorized resellers or certified online retailers.
Lenovo offers a 30-day return policy on unused accessories; please refer to Lenovo’s return guidelines for eligibility and procedures.
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