Can the RAM or SSD be upgraded in the future, and are there any accessible slots available for upgrades?

The product description mentions that the RAM and hard drive can be upgraded, and it states that upgrading will open the box to upgrade the RAM and the hard drive to PCIe-NVMe Solid State Drive.

What are the dimensions and weight of the HP Pavilion Laptop, and is it suitable for carrying around for business travel?

The dimensions of the HP Pavilion Laptop are 14.18 x 9.21 x 0.7 inches and it weighs 3.86 lb.

Questions & Answers: HP Pavilion Laptop 15", AMD Ryzen 7 7730U (Beat Intel i7-1165G7), 15.6" FHD (1920 x 1080), 16 GB DDR4 RAM, 1TB SSD, Webcam, Light and Slim Business Laptop, Windows 11 Home

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HP Pavilion Laptop 15", AMD Ryzen 7 7730U (Beat Intel i7-1165G7), 15.6" FHD (1920 x 1080), 16 GB DDR4 RAM, 1TB SSD, Webcam, Light and Slim Business Laptop, Windows 11 Home

Processor: AMD Ryzen 7 7730U (up to 4.5 GHz max boost clock, 16 MB L3 cache, 8 cores, 16 threads)
Memory: 16 GB DDR4-3200 MHz RAM; Storage: 1TB PCIe NVMe M.2 SSD
Display 15.6" diagonal, FHD (1920 x 1080), IPS, micro-edge, BrightView, 250 nits, 45% NTSC; Graphics: Integrated: AMD Radeon Graphics
Dimensions (W X D X H): 14.18 x 9.21 x 0.7 in Weight 3.86 lb
[Upgrade] will open the box to upgrade the RAM and the hard drive to PCIe-NVMe Solid State Drive. The hard drive upgrade won't affect Lenovo manufacture warranty.

$879^.00 –