Extent up Processor and RAM Upgrade

[GutzJA]

Trying to figure out how much RAM, memory and processor upgrades my 

HP All-in-One - 22-dd0002la can accommodate. These are the current specs:

Processor Intel(R) Celeron(R) J4005 CPU @ 2.00GHz 2.00 GHz
Installed RAM 4.00 GB (3.75 GB usable)
Device ID A329E3D1-4118-4F04-95FB-F979C3B76FC9
Product ID 00327-30874-40816-AAOEM
System type 64-bit operating system, x64-based processor

[Prométhée]

hi

https://support.hp.com/us-en/product/hp-all-in-one-pc-22-dd0000i/38228567/model/34668192/document/c0...

4 GB DDR4-2400 SDRAM (1 x 4 GB)

Intel® Celeron® J4005 (2 GHz base frequency, up to 2.7 GHz burst frequency, 4 MB cache, 2 cores)

Motherboard Specifications, Timber

• TDP: 15 W
• Socket type: BGA
• Motherboard supports the following processor upgrades:

  Processor	TDP
  Intel Celeron J4005 (Gemini Lake) 2.0 GHz base frequency, up to 2.7 GHz, 4 MB L2 cache, 2 cores	15 W
  Intel Pentium Silver J5005 (Gemini Lake) 1.5 GHz base frequency, up to 2.8 GHz burst frequency, 4 MB L2 cache, 4 cores	15 W
  Intel Celeron J4025 (Gemini Lake-R) 2.0 GHz base frequency, up to 2.9 GHz, 2 MB L2 cache, 4 cores	15 W

I doubt a great interest for the processor
price/risk of breakage/performance ratio

if possible to replace it, not always precise, sometimes welded

The chipset on this motherboard is combined with the processor into a single integrated circuit. This technology combines the processor and chipset functionality into a single physical package.

• Dual channel memory architecture
• Two DDR4 SODIMM (260-pin) sockets
• Supports up to PC4-19200 (DDR4-2400)
• Supports 4 GB and 8 GB DDR4 SODIMMs
• Supports up to 4 GB on 32-bit systems

  note:

  32-bit systems cannot address a full 4.0 GB of memory.

• Supports up to 16 GB (unbuffered) with two 8 GB DIMMs on 64-bit systems
•  

Upgrading and Servicing Guide