Juniper Juniper QFX5100-48S-3AFI Switch enterprise networking equipment.
| Port configuration | 48 x 1/10GbE SFP/SFP+ + 6 x 40GbE QSFP+ |
| Switching capacity | Up to 1.44 Tbps |
| Forwarding rate | Up to 1,080 Mpps (64-byte packets) |
| Airflow | Front-to-back (AFI) |
| Power | Dual hot-swappable AC PSUs (redundant) |
| Operating system | Junos OS with L2/L3, EVPN-VXLAN, MPLS, MC-LAG |
| Fixed ports | 48 x SFP/SFP+ (1/10GbE), autonegotiation for 1G/10G optics where supported |
| Uplink ports | 6 x QSFP+ (40GbE); each QSFP+ supports 4x10GbE breakout with DAC/AOC where supported |
| Layer 2/3 features | VLANs, STP/RSTP/MSTP, OSPF/IS-IS/BGP, VRRP, ECMP, ACLs |
| Data center features | EVPN-VXLAN L2/L3 gateway, MC-LAG, Virtual Chassis/VCF, PFC/ETS/DCBx |
| Latency | Sub-microsecond cut-through forwarding (typically < 600 ns for L2) |
| Jumbo frames | Up to 9,216 bytes |
| Management interfaces | 1 x RJ-45 console, 1 x USB, 1 x 10/100/1000Base-T out-of-band management |
| Resiliency | Hot-swappable PSUs and fan trays; N+1 fan redundancy |
| Automation/telemetry | NETCONF, REST, Ansible/Puppet, SNMPv1/v2c/v3, sFlow/J-Flow, Syslog |
| Form factor & mounting | 1U fixed switch; 19-inch rack mount; front-to-back cooling |
Yes, the Juniper QFX5100-48S-3AFI Switch is currently in stock and available for immediate shipment from our Boulder, CO warehouse. Same-day shipping on orders placed before 2pm MT.
This QFX5100-48S-3AFI is professionally refurbished or new-surplus enterprise hardware. Every unit is fully tested, factory-reset, and inspected before shipping. Cosmetic blemishes (rack marks, minor scuffs) may be present but never affect functionality.
The QFX5100-48S-3AFI comes with the Eldo Systems Lifetime Warranty covering hardware defects. We are an independent reseller — manufacturer warranties do not apply, but our lifetime coverage matches or exceeds typical OEM terms.
Free ground shipping on every order, included in the price. Orders ship same-day if placed before 2pm MT (Mon–Fri). Expedited overnight and 2-day options are available at checkout for urgent deployments.
Yes — we ship worldwide. International orders are quoted individually so we can present accurate freight, duties, and lead time. Use the Request a Quote form or call (484) 630-1533 to start.
Absolutely. We offer volume discounts and project pricing for resellers, integrators, and end-users buying in quantity. Submit a quote with your target quantity and our team will respond within 15 minutes during business hours.
Get the QFX5100-48S-3AFI from Eldo Systems with lifetime warranty and free ground shipping.
Independent Reseller Notice: Eldo Systems is an independent reseller of refurbished and new-surplus enterprise networking equipment. We are not affiliated with, authorized by, or endorsed by Cisco, Juniper, Arista, HPE, Dell, Meraki, Fortinet, Mellanox, NVIDIA, Finisar, or any other manufacturer listed on this site. All product names, logos, and brands are property of their respective owners. All products sold are refurbished or new-surplus unless otherwise noted. Manufacturer warranties do not apply; all items are covered by the Eldo Systems Lifetime Warranty.
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