Supports up to 16GB (standard configuration often uses 8GB). Integrated Intel HD Graphics (typically HD 4400). HP Support Community Processor Compatibility
Integrated Realtek ALC221 HD audio with stereo line-in, line-out, and microphone jacks. Conclusion hp 2b34 motherboard
Used for dedicated graphics cards. Note that the H81 chipset limits this slot to Gen 2.0 speeds, but it remains fully backward/forward compatible with modern PCIe 3.0 and 4.0 GPUs. Supports up to 16GB (standard configuration often uses 8GB)