Product Overview
The Juniper QFX5241-64OD-AO is a high-performance 2U fixed-configuration switch from the QFX Series, optimized for data center spine or leaf roles in IP fabric architectures. It features 64 OSFP ports supporting up to 800 Gbps each, plus 2 SFP28 ports at 10 Gbps, delivering 51.2 Tbps of throughput. Powered by Junos OS Evolved and a high-radix TH5 BCM78900 chipset with 64 Peregrine SerDes cores, it excels in high-density 800GbE environments with shallow buffer design.
Architecture & Performance
Built on Broadcom TH5 BCM78900 chipset with Intel 4-core 2.2-GHz Ice Lake processor and 32 GB DRAM. Supports 136K MAC addresses, 4000 VLAN IDs, and 0.165 GB packet buffer. QoS includes 8 unicast and 2 multicast queues per port. AFO (Airflow Out) cooling with 4 redundant fan modules (3+1). Dual hot-swappable 3000W AC PSUs provide 1+1 redundancy. Storage: 960 GB (480+480 GB) SSD.
Ports & Connectivity
64x OSFP ports (0-63, up to 800 Gbps), 2x SFP28 ports (64-65, 10 Gbps), 1x RJ-45 console, 1x RJ-45 management, 1x USB 3.0 Type A, 10 MHz, PPS, and ToD ports.
Power & Environmental
AC Max Power: 3000 W, Average: 932 W. Operating Temp: 0° to 40° C, Humidity: 5-90% noncondensing. Dimensions: 3.46 x 19.03 x 25.51 in (8.78 x 48.33 x 65 cm), Weight: 48.5 lb (22 kg).
Ordering Information
Main Unit: QFX5241-64OD-AO
- PSM: QFX5240-PWR-AC-AO (640-177317) – QFX5240-2RU AC PSU, front-to-back airflow
- Rack Mounting: QFX5240-2U-4PRMK (650-175145) – 4post Tool-less RMK
- Power Cords: CBL-EX-PWR-C19-AR, CBL-EX-PWR-C19-CH, CBL-EX-PWR-C19-INT, CBL-PWR-C19-BR-2M, CBL-PWR-C19-C20-2M (740-178466), CBL-PWR-C19-EU-2M, CBL-PWR-C19-IL-2M, CBL-PWR-C19-IN-2M, CBL-PWR-C19-IT-2M, CBL-PWR-C19-JP-2M, CBL-PWR-C19-KR-2M, CBL-PWR-C19-SA-2M, CBL-PWR-C19-SZ-2M, CBL-PWR-C19-US-2M
Supported Transceivers: EX-SFP-10GE-DAC-7M (740-030429), OSFP-2X400G-D-2M (720-183904), OSFP-2X400G-DR4 (740-174932), OSFP-2X400G-DR4-P (740-174933), OSFP-2X400G-FR4-P (740-174935), OSFP-2X400G-LR4-P (740-174937), OSFP-2X400G-VR4-P (740-177856), OSFP-800G-AOC-10M (740-174946), OSFP-800G-AOC-15M (740-174947), OSFP-800G-AOC-1M (740-174942), OSFP-800G-AOC-20M (740-174948), OSFP-800G-AOC-30M (740-174949), OSFP-800G-AOC-3M (740-174943), OSFP-800G-AOC-5M (740-174944), OSFP-800G-AOC-7M (740-174945), OSFP-800G-DAC-1M (720-179279), OSFP-800G-DAC-2M (720-179280), OSFP-800G-DR8-2-P (740-174940), OSFP-8X100G-FR1 (740-174938), OSFP-8X100G-LR1 (740-174939)
Chassis Spare: QFX5241-64OD-CHAS








