PCIe Form Factors (FH, LP, HL, FL)

Summary of add-on card size standards (e.g., network, graphics cards).

Dimensions Table

Form Factor	Card Height	Bracket Height	Length
————-	————-	—————-	———–
FH (Full Height)	111 mm (4.376“)	120 mm (4.725”)	-
LP (Low Profile)	64 mm (2.536“)	79 mm (3.118”)	-
HL (Half Length)	-	-	167 mm (6.6“)
FL (Full Length)	-	-	311 mm (12.28”)

Notes: - Slot width: Single/Dual/Triple Slot. - Examples: Intel i350: 135×69 mm (LP); LSI 9280: HL, FH (167×111 mm). - Servers (1U): HL only, FH or LP per slot.[attached_file:1]