Then both PCBs need to be connected by 2 PINs wire (included). - Option number 2 with soldering. After this one path on JP2 jumper on your Amiga 500 motherboard need to be cut. Also one wire need to be soldered from Gary Adapter to JP2 Jumper.
eBay
Orange Pi Zero 3 4GB 2GB 1GB RAM Allwinner H618 64-bit 16MB SPI Flash Dual Band WiFi5+BT 5.0 Gigabit LAN Port Single Board
Aliexpress UK
Picture For Reference Purpose Only. Item Discription : Type: DDR3 SODIMM Laptop memory Function: Non-ECC Frequency: PC3-12800S 1600MHz Module specifications: 204pin Memory capacity: 8GB Memory voltage:1.5V .
eBay
Kingston PC Memory RAM Memoria Module Computer Desktop 1GB 2GB PC2 DDR2 4GB DDR3 8GB 667MHZ 800MHZ 1333MHZ 1600MHZ 8GB 1600
Aliexpress UK
Integral DDR3 2GB Notebook RAM. Buffer: Unbuffered. Technology: DDR3. Error Correction: NON ECC. Type: PC3-8500/PC3-10600/PC-12800/PC3-14900/PC3-17000. CAS Latency(Cycles): 7/9/11/13/14.
eBay
PUSKILL Hot Products Ram DDR4 8GB 4GB 16GB 2400mhz 2133 2666mhz Sodimm Notebook High Performance Laptop Memory
Aliexpress UK
Type : DDR3 SoDIMM. CAS Latency : CL9 (Typical for DDR3 1333MHz). Speed : 1333MHz (PC3-10600). Capacity : Supports systems that allow for 4GB SoDIMM modules. Capacity : 4GB. You can install up to 8GB of RAM (2 x 4GB modules) to improve the laptop's multitasking performance.
eBay
Kingston RAM Memory DDR 3 1333MHZ DDR3 1600MHZ 4GB PC3-10600 Z 1.5V For Desktop KVR13N9S8/4-SP
Aliexpress UK
Your PC has 2 Slots and can be upgraded to 8GB (2x4GB). INSIDE YOUR DELL OPTIPLEX 380 - (ALL FORM FACTORS). Kit Capacity: 8GB.
eBay
MACHINIST H81 Motherboard LGA 1150 NVME M.2 Slot Support i3 i5 i7/Xeon E3 V3 Processor DDR3 RAM H81M-PRO S1 Mainboard
Aliexpress UK
Item Description: 8GB Crucial PC3-12800U 1600MHz DDR3 2Rx8 Non-ECC Computer Memory Modules Crucial Part Number: CT102464BA160B.C16FER Fully Load Tested Well packaged in anti-static Fast Dispatch - Please choose preferred option when checking out.
eBay
CHUWI MiniBook X Laptop Tablet PC 2 In 1 12GB LPDDR5 512G SSD Intel N100 10.51 Inch FHD IPS Screen 1920*1200 Windows 11 Notebook
Aliexpress UK
For Laptop / Notebook / All in one PC. Part Number HMT451S6BFR8C. Fast Dispatch. Fully Working.
eBay
ZSUS X99 P4 Motherboard Set Kit With Intel LGA2011-3 Xeon E5 2630 V4 CPU DDR4 16GB (1*16GB) 2133MHZ RAM Memory NVME M.2 SATA
Aliexpress UK
Picture For Reference Purpose Only. Item Discription : .
eBay
Orange Pi Zero 3 4GB 2GB 1GB 1.5GB RAM Allwinner H618 64-bit 16MB SPI Flash Dual Band WiFi5+BT5.0 Gigabit LAN Orange Pi Zero 3
Aliexpress UK