The ST1000SPEXD4 PCI Express Dual-Port Gigabit Network Card lets you add two gigabit Ethernet ports to a client, server or workstation through a single PCIe slot. Each port provides 10/100/1000 Mbps capable Ethernet and is fully compatible with IEEE 802.3/u/ab standards. Suitable for any standard PCI Express-enabled system, the 2-port Ethernet card supports full-duplex flow control for maximum data transfer speeds of up to 2000 Mbps - an ideal 2-port NIC for setting up dual-homed, or multi-homed host configurations providing added security to corporate networks. The dual-port server adapter is compliant with the PCIe 2.0 standard and features support for Jumbo Frames and 802.1q VLAN tagging as well as Wake on LAN (WoL). The adapter includes an optional low-profile / half-height bracket that can be used for installation into a standard or small form-factor computer chassis. The StarTech.com Advantage - Protect critical networked systems with a redundant and independent Gigabit port - Optimize network traffic with support for advanced features such as Jumbo Frames and VLAN tagging - Maximize the networking efficiency of your virtualized server, with dedicated ports

System requirements
Windows operating systems supported	Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 2000, Windows 2000 Professional, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows Vista x64, Windows XP, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Mac operating systems supported	Mac OS X 10.10 Yosemite, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Linux operating systems supported	Y
Server operating systems supported	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
Ports & interfaces
Connectivity technology	Wired
Host interface	PCI Express
Interface	Ethernet
Ethernet LAN (RJ-45) ports	2
PCI version	2.0
Weight & dimensions
Width	18 mm
Depth	92.6 mm
Height	120 mm
Weight	51 g
Operational conditions
Operating temperature (T-T)	0 - 70 °C
Storage temperature (T-T)	0 - 100 °C
Operating relative humidity (H-H)	10 - 90%
Network
Maximum data transfer rate	2000 Mbit/s
Networking standards	IEEE 802.1Q, IEEE 802.1p, IEEE 802.3, IEEE 802.3ab, IEEE 802.3u, IEEE 802.3x
Ethernet LAN	Y
Ethernet interface type	Gigabit Ethernet
Cabling technology	10/100/1000BaseT(X)
Wake-on-LAN ready	Y
Auto MDIX IEEE	Y
Full duplex	Y
Jumbo frames support	Y
Jumbo frames	9000
VLAN tagging	Y
Packaging data
Drivers included	Y
Low-profile bracket	Y
Package width	170 mm
Package depth	143 mm
Package height	30 mm
Package weight	142 g
Packaging content
Manual	Y
Other features
Flow control support	Y
Design
Internal	Y
Chipset	Realtek - RTL8111E, Asmedia - ASM1182E
LED indicators	Activity, Link
Certification	CE, FCC
Logistics data
Harmonized System (HS) code	85176990
Sustainability
Sustainability certificates	RoHS