Introducing the Juniper EX4400-24T-DC 24X1G Port Switch With 2X100G Uplink/Stacking Ports. Dc Power Supply. Macsec Aes256 Capable (Optional License Sold Separately). Optional Extension Module(Sold Separately): 4X10G Or 4X25G. We offer the best price and excellent service. Our dedicated team is here to find your perfect solution. Request a quote or contact us now for prompt assistance.