pcie slot x4
HP Z440 Workstation E5-1630v4 8GB/256GB/M2000/Win10 ...
Expansion Slots, PCIe Gen3 x16, 1 PCIe Gen2 x4 slot/x16 connector, 1 PCIe Gen2 x1 slot/x4 connector, 1 PCIe Gen2 x1 slot, 1 PCI 32-bit. ; Power Supply, 700W 90 ...
NVMe vs. M.2 Drives: Which SSD Is Right for You?
Either I use that slot, PCIe-v4 x4 or I use the onboard NVMe slot #3 ( which your board doesnt have ) ... You can make use of 6x Sata and no PCIe-x4 -or- 4x Sata + PCIe-x4 ( a 1-Slot Add-In NVMe card for example ).
[Motherboard] Khả năng tương thích của PCIE được chia ...
Easy ExpandabilityTwo PCIe 3.0 x16 slots, one PCI-E 3.0 x4 (in x8) slots, one PCIe 2.0 x4 (in x8) slot and one PCI slot support a range of I/O expansion cards ...