2x DDR3 DIMM slots (Supports up to 16GB, 1333/1600 MHz) Form Factor: Micro-ATX (9.6 x 9.6 inches) Expansion: 1x PCIe x16, 3x PCIe x1 Storage: 4x SATA II (3.0 Gb/s) connectors
The H61 chipset supports SATA II. While you can use a modern SSD, its speed will be capped at roughly 275 MB/s rather than the 550 MB/s seen on SATA III boards.
: Features two DDR3 DIMM slots supporting dual-channel architecture. It accommodates non-ECC, unbuffered memory at speeds of 1066 MHz or 1333 MHz, with a maximum capacity of 8GB. Expansion Slots
Leave a comment with the HP Serial number from the sticker on your case, and we can point you to the exact PDF maintenance guide for your variant of the IPMSB-H61.
4x USB 2.0, VGA, DVI-D, Ethernet (RJ-45), Audio Jacks Front Panel Header Pinout
The board supports dual-channel memory. For best performance, use two identical sticks of DDR3 RAM. Note that H61 chipsets generally do not support memory speeds above 1600 MHz. 3. Power Supply Connections Located on the right edge.
While the PCIe x16 slot supports modern graphics cards, the older BIOS on the IPMSB-H61 may lack "UEFI Secure Boot" compatibility. Some modern cards (like the GTX 10-series or newer) may require a BIOS update to initialize.