Expansion slots include one PCI Express 3.0 x16 slot, which is perfect for graphics cards, and several PCI Express x1 slots for other peripherals. Storage options are plentiful with six SATA ports, supporting a variety of RAID configurations for data protection and performance enhancement.
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The code "21 B6 E1 E2" (often seen as /21-b6-e1-e2 ) is not actually a model name, but a regulatory marking Expansion slots include one PCI Express 3
The Intel Z77 chipset brings several key technologies to the table. USB 3.0 support provides faster peripheral connectivity, with several ports available directly on the board. For display outputs, there's an HDMI port and a DVI port, supporting high-definition displays. The code "21 B6 E1 E2" (often seen
So the user is not comparing four different boards, but asking: Or they want a manual that clarifies the differences.