What is the switching performance?

Delivers 2.56 Tbps switching capacity and 1.44 Bpps forwarding rate with 550 ns latency. Supports 288,000 MAC addresses, 128,000 IPv4 unicast routes, 84,000 IPv6 unicast routes, and 4,093 VLANs, enabling high-scale Layer 2/3 operations in spine/leaf topologies.

What power and cooling features are included?

Features dual redundant 1+1 hot-pluggable DC power supplies with -36 to -72 VDC input (-8.2A at 39V), 340W maximum and 290W typical load (132W with dummy transceivers). N+1 redundant hot-plug fans provide front-to-back airflow for reliable 1U operation.

Does it support advanced networking features?

Yes, provides Layer 2 switching, Layer 3 routing, VXLAN overlays with EVPN, multicast, automation via ZTP, and programmability. Compatible with Contrail Networking and VMware NSX L2/L3 gateways for overlay/underlay architectures in agile data centers.

What management options are available?

Includes 2 management ports (1x RJ-45, 1x SFP), 1 RS-232 console port, and 1 USB 2.0 port. Powered by 1.8 GHz quad-core Intel CPU with 16 GB memory and 64 GB SSD for enhanced control plane performance and diagnostics.

What is the form factor and airflow direction?

1U rack-mountable chassis (17.36 x 1.72 x 20.48 in) with front-to-back airflow (AFO: ports-to-FRUs). Designed for hot aisle data center deployments with efficient cooling via redundant N+1 fan modules.

QFX5110-32Q-DC-AFO - Juniper QFX5110-32Q Switch

Name: QFX5110-32Q-DC-AFO - Juniper QFX5110-32Q Switch
Brand: Juniper
SKU: QFX5110-32Q-DC-AFO

QFX5110-32Q-DC-AFO - Juniper QFX5110-32Q Switch | US IT Hardware

Product overview

The Juniper QFX5110-32Q-DC-AFO is a 1U data center access and aggregation switch delivering 2.56 Tbps switching capacity and 1.44 Bpps forwarding rate with 550 ns low latency. It features 32 QSFP+ ports configurable as 40GbE or 4x10GbE each, plus 4 QSFP28 ports for 100GbE, 40GbE, or 4x10GbE, supporting QSFP+ and QSFP28 optics including SR4, LR4, and DAC/AOC cables. Dual redundant hot-pluggable DC power supplies (-36 to -72 VDC input) provide 340W max load and 290W typical, with N+1 redundant fans for front-to-back airflow. Layer 2/3 routing, VXLAN, EVPN, multicast, and programmability enable spine/leaf topologies and overlay networks. Management includes 2 ports (RJ-45/SFP), RS-232 console, and USB 2.0. Ideal for high-density 10/40/100GbE data centers requiring scalability, reliability, and efficiency in hot aisle deployments.

32 QSFP+ 40GbE + 4 QSFP28 100GbE ports with breakout
2.56 Tbps capacity, 1.44 Bpps, 550 ns latency
Dual redundant DC PSUs, 340W max, front-to-back airflow
L2/L3 routing, VXLAN EVPN, multicast support
288K MAC, 128K IPv4 routes, 4K VLANs
1U rackmount with hot-plug redundancy

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	QFX5110-32Q-DC-AFO
Brand	Juniper
Condition	New
Model	QFX5110-32Q
Memory	16 GB
Storage	1x USB
Compliance	RoHS-6, WEEE, CE, UL, FCC
Noise Level	65 dB
Product Line	QFX Series
Product Type	Data center access and aggregation switch
Layer Support	Layer 2 switching; Layer 3 routing; VXLAN overlay; multicast; automation; ZTP; programmability

Compatible systems

Runs Junos OS 17.2R1+; supports Virtual Chassis configurations

Best for

Data Center Leaf
Provides high-density 32 QSFP+ 40GbE ports with 10GbE breakout for server access, supporting Layer 2/3 and VXLAN for virtualized environments.
Spine Aggregation
Delivers 2.56 Tbps capacity via 4 QSFP28 100GbE uplinks in spine/leaf topologies, with low 550 ns latency for high-performance scaling.
Cloud Infrastructure
Enables EVPN-VXLAN overlays and programmability with redundant DC power and front-to-back airflow for reliable cloud provider deployments.
Enterprise Aggregation
Supports multicast, ZTP automation, and 288K MAC addresses for aggregating traffic in enterprise data centers with mixed 40/100GbE speeds.

Frequently asked questions

What port configurations does the QFX5110-32Q-DC-AFO support?

Details

Shipping, warranty & returns

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SSD Storage	64 GB

CPU	1.8 GHz quad-core Intel

Network & Communication

Latency	550 ns
ARP Entries	48,000
MAC Addresses	288,000
Buffer Capacity	16MB
Number of VLANs	4,093
Switching Capacity	2.56 Tbps
Forwarding Capacity	1.44 Bpps
IPv4 Unicast Routes	128,000
IPv4 Multicast Routes	104,000

Power Consumption

DC Input	-8.2 A at 39 VDC input current rating
Max Wattage	340 W maximum load for QFX5110-32Q-DC
Typical Power	290 W typical load; 132 W typical with dummy transceivers
Power Supplies	Dual redundant 1+1 hot-pluggable DC power supplies; -36 to -72 V DC input
Power Consumption Max	465W

Physical Characteristics

Dimensions	17.36 x 1.72 x 20.48 in (44.09 x 4.37 x 52.02 cm)
Form Factor	1U rack-mountable switch chassis
Cooling System	Redundant N+1 hot-pluggable fan modules for front-to-back airflow
Airflow Direction	Front-to-back (AFO: air out, ports-to-FRUs)

Relative Humidity	5% to 95% (non-condensing)
Storage Temperature	-40°C to 70°C
Operating Temperature	0°C to 40°C

Interface/Ports

Network Ports	32 QSFP+ ports configurable as 40GbE or 4x10GbE each; 4 QSFP28 ports configurable as 100GbE, 40GbE, or 4x10GbE each; 1 USB 2.0 port; 1 RS-232 console port; 2 management ports (1x RJ-45, 1x SFP)
Storage (USB)	1x USB
Management Ports	1 RJ-45, 1 Serial Console
Supported Transceivers	QSFP+ Optics: SR4, LX4, ESR4, IR, LR4; QSFP+ DAC/AOC cables; QSFP+ to SFP+ breakout cables; QSFP28 Optics: SR4, CWDM4, LR4; SFP+ 10GbE optical/DAC; SFP GbE modules

Juniper QFX5110-32Q Switch