built in fans for cooling network switch

{"cid":"91224767","title":"Huawei Switch S5700-24TP-SI-AC with 256 Gbit\/s Switching Capacity 36 Mpps Forwarding Performance and Built-in Fans for Cooling","imgUrl":"https:\/\/img.chinax.com\/nimg\/6c\/16\/cb47b0d8b55c3d73d20a05d7a127-200x200-1.jpg","attrs":{"Price":"$768","Brand Name":"Huawei","Model Number":"S5700-24TP-SI-AC","Minimum Order Quantity":"1","Delivery Time":"3-5 days","Payment Terms":"T\/T,Western Union,MoneyGram","Supply Ability":"200pcs","Description":"S5700-24TP-SI-AC (24 Ethernet 10\/100\/1000 ports, 4 of which are dual-purpose 10\/100\/1000 or SFP, AC 110\/220V)","Condition":"Original New; In stock"}}

{"cid":"91222904","title":"126Mpps Ethernet Fiber Converter Switch S5735S-L24T4X-A1 OEM","imgUrl":"https:\/\/img.chinax.com\/nimg\/15\/38\/789e8c3ccd7f443b0f37a35f5a34-200x200-1.jpg","attrs":{"Price":"Contact us","Brand Name":"100% genuine","Model Number":"S5735S-L24T4X-A1","Minimum Order Quantity":"1 pieces","Delivery Time":"2-7 working days","Place of Origin":"Beijing, China","Packaging Details":"Original packaging box+Based on customer needs","Description":"126Mpps Ethernet Fiber Converter Switch S5735S-L24T4X-A1 OEM","Stock":"In Stock","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Shipping Method":"LCL, AIR, FCL, Express","Ports":"\u2265 24","Transmission Rate":"10\/100\/1000Mbps,10000Mbps","Function":"LACP, POE, QoS, SNMP, Stackable, VLAN Support","Communication Mode":"Full-Duplex & Half-Duplex","Switch Capacity":"336Gbps\/3.36Tbps","Application level":"3","Fixed Ports":"24 10\/100\/1000BASE-T Ethernet ports, 4 10 Gigabit SFPs","Port":"Beijing,shenzhen","Packet forwarding rate":"108\/126Mpps","Dimensions (H x W x D)":"442x220x43.6mm","Weight":"3.91kg","Height of case":"1U","IP Routing":"Static route, RIP, RIPng, OSPF, OSPFv3","Characteristic":"MAC address table, WLAN, ring protection, MPLS, IPV6,","Supply Ability":"\/pieces >=1 pieces"}}

{"cid":"91159203","title":"Huawei PAC1000S56-CB 1000W PoE AC\/DC Power Module for S5731\/S5735 Switches","imgUrl":"https:\/\/img.chinax.com\/nimg\/54\/47\/ae63bd1d73e8f8d57ddf53d0e68c-200x200-1.jpg","attrs":{"Brand Name":"HUAWEI","Model Number":"PAC1000S56-CB","Minimum Order Quantity":"1","Delivery Time":"2-3 days","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T","Product Name":"HUAWEI Power Supply","Part Number":"PAC1000S56-CB","Shipment":"DHL","Condition":"New","Lead Time":"2-3 days","Warranty":"1 year","Keywords":"PAC1000S56-CB"}}