QFX5100-48S-AFI Juniper Networks QFX Switch at discount

QFX5100‑48S‑AFI Specifications

Manufacturer: Juniper Networks

Manufacturer Model: QFX5100‑48S‑AFI
Product Line: QFX5100 Series
Product Series: 48 × 10 GbE SFP+ + 6 × 40 GbE QSFP+
Product Type: Fixed‑configuration Ethernet Data Center Switch
Product Name: Juniper QFX5100‑48S‑AFI

KEY FEATURES:

48 native 10 GbE SFP+ ports for server/connectivity access

6 QSFP+ ports supporting 40 GbE uplinks (which may be broken out for higher port counts)

Air‑flow orientation: AFI = front intake → back exhaust (front‑to‑back cooling)

Dual redundant AC power supplies and fan modules included

Designed for data‑centre leaf/top‑of‑rack deployments with high throughput and low latency

PERFORMANCE:

Switching Capacity: ~1.44 Tbps

Forwarding Rate: ~1.08 Bpps (billion packets per second)

Packet Buffer: 12 MB shared buffer memory

MAC Address Table Size: Up to ~288,000 entries

Jumbo Frame Support: Up to 9,216 bytes

Full Layer 2 & Layer 3 feature set, including VXLAN/EVPN, MC‑LAG, low‑latency cut‑through mode

ENVIRONMENTAL & RELIABILITY:

Designed for 24 × 7 data centre operation

Redundant power and cooling support

Low latency (as low as ~550 ns in certain cut‑through configurations)

Suitable for environments with strict front‑to‑back airflow requirements

PHYSICAL:

Form Factor: 1 RU rack‑mount chassis

Dimensions: ~4.37 cm (H) × ~44.09 cm (W) × ~52.02 cm (D)

Weight: Approximately ~9.9 kg (~21.8 lb)