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Model
20KL, 20KM, A475
Background
The Lenovo ThinkPad A475 is a 14-inch business laptop released in 2017 as part of Lenovo's ThinkPad A series, which was designed specifically around AMD PRO processors.
The A series was Lenovo's response to business customers who preferred AMD-based hardware for its price-to-performance value and built-in security features. The A475 was aimed at small to medium-sized businesses looking for an affordable yet durable workstation alternative to the Intel-based ThinkPad T series.
The A475 is powered by AMD PRO A-Series APUs, with configurations ranging from the A10-9700B to the A12-9800B quad-core processor. It supports up to 16 GB of DDR4 RAM and up to 512 GB of SSD storage. Display options include a 1366x768 TN panel or a 1920x1080 IPS panel. The laptop features three USB 3.0 Type-A ports, one USB 3.1, Type-C port with DisplayPort support, HDMI 1.4b, Gigabit Ethernet, 802.11ac Wi-Fi, and Bluetooth 4.1. Security features include a fingerprint reader, optional TPM 2.0, and AMD processor-level security. The A475 meets MIL-STD-810G military durability standards for resistance to dust, shock, vibration, and extreme temperatures, and is ENERGY STAR 6.1 certified and EPEAT Gold rated in the US.
Common issues reported with the ThinkPad A475 include battery degradation over time, worn keyboard keys, and thermal throttling under heavy workloads. The display hinges and internal display cable are known wear points that may require repair or replacement over time. There have been no FDA or major manufacturer recalls associated with this device. The ThinkPad A475 is part of Lenovo's broader ThinkPad A series, which is complemented by the Intel-based ThinkPad T series for users who prefer Intel processors. The A475 has since been succeeded by newer AMD-based ThinkPad models in Lenovo's lineup.
Sources: ThinkPad A275 and A475 Announced, Wikipedia, Lenovo Thinkpad A475 Reviews
Technical Specifications
- Processor: AMD PRO A-Series APU (up to A12-9800B quad-core, 2.7–3.6 GHz)
- RAM: Up to 16 GB DDR4
- Storage: Up to 512 GB SSD
- Display: 14-inch, up to 1920x1080 IPS
- Graphics: Integrated AMD Radeon R5 or R7
- Ports: 3x USB 3.0 Type-A, 1x USB 3.1 Type-C, HDMI 1.4b
- Wireless: 802.11ac Wi-Fi, Bluetooth 4.1
- Security: Fingerprint reader, AMD processor-level security
- Weight: 1.85 kg (4.1 lbs)
- OS: Windows 10 Pro
Sources: ThinkPad A475 Platform, Overview, ThinkPad A475 Specs, Hardware Maintenance Manual
Additional Information
The ThinkPad A475 is part of Lenovo's AMD-based ThinkPad A series, distinct from the Intel-based ThinkPad T series. It is ENERGY STAR 6.1 certified and EPEAT Gold rated (US only).
The A475 features a dual-battery system, an internal built-in battery, and a removable external battery, which together can provide up to 10 hours of use. The A475 also supports Lenovo's ThinkPad Ultra Dock via its bottom docking port, allowing for easy port expansion. Users running Linux on the A475 have reported occasional compatibility issues with the Realtek wireless card, which may require additional driver configuration.
Sources: Lenovo Support, Replacement Parts, Partselect.com, Warranty
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