is it able to handle dual wan with 1000mbps?

Yes, handles a dual wan with 1gbps at the full 1 gbps throughput without dpi or qos. With qos enabled, throughout drops to 500mbps or so (still much faster than other consumer grade routers). Contrary to the implication in the other comment, this does not have a 10G sfp+. The sfp port is 1G only.

can this router use the Ethernet port for up link port to LAN switch?

yes, you can connect the eth1 or eth2 to your switch

Where can I buy the rackmount kit for this device?

TigerDirect for Business shows ER-RMKIT or 40975649 but was out of stock (15 bucks). A1 Security Cameras shows it but asks to contact them for price.

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🚀 Elevate your network game with EdgeRouter 4 — where speed meets sophistication.

VERSATILE EDGE OS - Feature-rich operating system offering advanced routing, security, and management tools.
COMPACT POWERHOUSE - Sleek design with a lightweight 795g frame fits perfectly in any professional setup.
MULTI PORT MASTERY - Four Gigabit Ethernet ports ensure robust wired connectivity for all your devices.
BLAZING FAST THROUGHPUT - Experience 50% more power than the EdgeRouter Pro for seamless network speed.
CARRIER GRADE RELIABILITY - Built to handle enterprise and carrier-level network demands with ease.

The Ubiquiti EdgeRouter 4 (ER-4-US) is a high-performance, enterprise-grade router featuring a 50% speed increase over its predecessor, four Gigabit Ethernet ports, and a dedicated SFP port for fiber connectivity. Powered by 1GB RAM and the versatile EdgeOS, it delivers carrier-grade reliability in a compact, lightweight design ideal for professional network environments.

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€ 905.90

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Brand	Ubiquiti Networks
Series	Ubiquiti EdgeRouter 4
Item Height	31.1 Millimeters
Item Width	13.7 Centimeters
Product Dimensions	22.9 x 13.65 x 3.11 cm; 795 g
Item model number	ER-4
Processor Count	4
RAM Size	1024 MB
Computer Memory Type	DRAM
Wireless Type	IrDA
Number of Serial Ports	1
Voltage	240 Volts
Wattage	13 Watts
Operating System	EdgeOS
Are Batteries Included	No
Country of Origin	USA
Item Weight	795 g

Ubiquiti EdgeRouter 4, 4-Port Gigabit Router with 1 SFP Port (ER-4-US)

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