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StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 Model PEX4S232485Type: PCI Express to Serial Port CardExternal Ports: 2 x RS232
2 x RS422 / RS485Operating Systems Supported: Windows 8 (32/64bit), 7 (32/64), Vista(32/64), XP(32/64), 2000
Windows Server 2008 R2, 2003(32/64)
Linux Kernel 2.6.xSpecifications: Data Bits: 5, 6, 7, 8
FIFO: 256 Bytes
Flow Control: None, Xon/Xoff, RTS/CTS
Max Baud Rate: 460.8 Kbps
Parity: None, Odd, Even, Space, Mark
Serial Protocol: RS-232/422/485
Stop Bits: 1, 1.5, 2
Supported Protocols: RS-232, RS-422, RS-485 2-wire / 4-wireModel #: PEX4S232485
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Asus HYPER M.2 X16 GEN 4 CARD Hyper M.2 x16 Gen 4 Card (PCIe 4.0/3.0)Type: PCI Express to M.2 CardExternal Ports: 4 x M.2 slots (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0/3.0)*
* Supports PCIe M.2 storage devices only.Internal Ports: PCIe 4.0/3.0 x16 interface, compatible with PCIe x8 and x16 slots, support data transfer rates up to 256 Gbps.Specifications: 1 x M.2 FAN Power Switch
4 x M.2 access LEDsModel #: HYPER M.2 X16 GEN 4