MSI H55M-E21 - Manual (Page 13)

1-3
MS-7636
Chapter 1
On-Board
3 USB 2.0 connectors
1 Chasss Intruson connector
1 S/PDIF-Out connector
1 Front Panel Audo connector
1 TPM Module connector
1 Parallel connector
1 Seral connector
Slots
1 PCIE x16 slot
2 PCIE x1 slots
1 PCI slot, supports 3.3V/ 5V PCI bus Interface
Form Factor
Mcro-ATX (21.0 cm X 24.5 cm)
Mountng
6 mountng holes
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