INSIDE YOUR HP Z230 WORKSTATION TOWER/SFF . The ram will work, however we must inform you that this machine takes 2 different types of Ram, ECC unbuffered and NON ECC Ram. Your workstation has 4 slots and the maximum upgrade possible is 32GB (4x8GB).
eBay
Kllisre Memória DDR3 DDR4 8GB 16GB Ram 1600 1866 2666 3200 MHz Desktop Memory DIMM Non-ECC
Aliexpress UK
Frequency: PC3L-12800S 1600MHz. Before you order, make sure the RAM is compatible with your motherboard/CPU. DO NOT send without communication. Module specifications: 204pin.
eBay
DDR3 8GB 16GB 32GB Server Memory REG ECC 1600 1866MHz PC3 Ram Support X79 X58 LGA 2011 Motherboard
Aliexpress UK
Module specifications: 204pin. Frequency: PC3L-12800S 1600MHz. Before you order, make sure the RAM is compatible with your motherboard/CPU. We are committed to resolve all issues in a friendly and satisfactory manner.
eBay
PUSKILL Veneno DDR3 Memoria RAM 8GB 4GB 1.5V 1600MHz 1333MHz 240-PIN Memória Desktop Udimm DIMM Memory
Aliexpress UK
Frequency: PC3L-12800U 1600MHz. Before you order, make sure the RAM is compatible with your motherboard/CPU. We are committed to resolve all issues in a friendly and satisfactory manner.
eBay
4-1PCS RAM Memory Heat Sink Cooler 5V 3Pin ARGB Addressable Cooling Vest Heatsink Radiator For DDR3 DDR4 DDR5 Desktop PC Memory
Aliexpress UK
Removed from working desktop unit.
eBay
JEYI Laptop Graphene RAM Heatsink, Graphene Copper Foil Cooler Memory Card Radiator for DDR5 DDR4 DDR3 DDR2 - 2 Pack
Aliexpress UK
eBay
TECMIYO 4GB 8GB Desktop Memoria Ram DDR3 DDR3L 1600MHz 1333MHz PC3-12800U PC3-10600 DIMM 1.5V 1.35V 2RX8 Non-ECC Memory - Blue
Aliexpress UK
You will get 1/2/4x ddr3 1600 4/8gb.
eBay
PUSKILL DDR4 DDR3 Memoria Ram 32GB 16GB 8GB 1.2V 3200MHz 2666MHz 1600MHz 1.5V Desktop Cooling Vest Memory
Aliexpress UK
204 Pin SODIMM. 16GB kit (2 X 8GB sticks). Fast Dispatch.
eBay
MOUGOL H61M Gaming Motherboard M.2 NVME PCIEx16 DVI Supports Dual-channel DDR3 RAM Intel Core 2/3 Gen CPU LGA1155 for Desktop PC
Aliexpress UK