At IST Computers, we offer computers with professionally customized and upgraded configurations designed to maximize performance. To complete these enhancements, our certified technicians carefully open the manufacturer’s sealed packaging for inspection, testing, and precise installation according to the advertised specifications. All systems and components are brand new. Warranty service is handled directly by IST Computers, not the manufacturer. INTRODUCING THE THINKBOOK 15 GEN 4 — the ideal commercial laptop that balances affordability with MIL-SPEC 810H certification, delivering a sturdy build and business-grade security; with its sleek design and robust features, it serves as the budget-friendly replacement for the Lenovo ThinkPad E Series (E15/E14/E16). BOASTING THE POWER TO DO MORE, it is equipped with an AMD Octa-Core Ryzen 7 5825U Processor (8 Cores, 16 Threads, up to 4.5GHz), 40GB DDR4 memory, and a 1TB PCIe NVMe SSD — all working together to ensure fast multitasking, quick boot times, and smooth application performance. For BRILLIANT DISPLAY AND GRAPHICS, it features a 15.6-inch FHD anti-glare display with narrow bezels, paired with integrated AMD Radeon Graphics; it can be expanded to 3 monitors via HDMI and Type-C ports, with a maximum resolution of 4K (3840×2160) @60Hz for external monitors. When it comes to CONNECTIVITY FOR PRODUCTIVITY, it enhances efficiency with versatile ports, including 2 USB-A 3.2 Gen 1 ports (one with Always On functionality), 2 USB-C 3.2 Gen 2 ports, a 3.5mm headphone/microphone combo jack, and an HDMI 2.1 port; additionally, it includes Ethernet and Wi-Fi 6 for seamless online connectivity anywhere. Preloaded with the Windows 11 Professional 64-bit operating system — featuring AI-powered Copilot that provides intelligent assistance for a wide range of tasks — it is ideal for educational settings, designers, professionals, small businesses, programmers, and also caters to needs like casual gaming, streaming, online classes, remote learning, Zoom meetings, and video conferences. Brand New Computer has been resealed to upgrade the memory/SSD.