What is the switching performance?

Delivers 1.44 Tbps switching capacity and 112 Mpps throughput with 800ns latency. Supports 256,000 MAC addresses, 12,000 IPv4 unicast routes, 3,000 IPv6 routes, and DCB with 8 priority flow control classes.

What power options are available?

Two internal redundant field-replaceable 500W AC power supplies, load-sharing, operating at 90-264 VAC (nominal 100-240 VAC), 47-63 Hz. Max current 6A@100VAC, with line fuse protection and inrush current handling up to 50A peak.

What is the form factor and cooling?

1U 19-inch EIA rack-mount chassis with configurable front-to-back or back-to-front airflow. 5 field-replaceable fan units (10 fans), max airflow 159 cmh (94 cfm), operating temperature 0-40°C, humidity 10-90% non-condensing.

Is it compliant with security standards?

FIPS 140-2 multi-chip standalone cryptographic module certified. Also meets ICES-003 Class A, CE, RoHS-6, NEBS, and EMC EN55024 for regulatory and environmental compliance in enterprise data centers.

What management features does it have?

Out-of-band RJ-45 serial console and in-band Ethernet management. Supports stackable architecture with ISSU, protocols including BGP Route Flap Damping (RFC 2439), IPv6 Stateless Address Auto-Configuration (RFC 2462).

BR-VDX6940-24Q-AC-R - Brocade VDX 6940-36Q 24 x 40 Gigabit Ethernet QSFP+ ports (base configuration); expandable to 36 ports; supports 10GbE breakout

Name: BR-VDX6940-24Q-AC-R - Brocade VDX 6940-36Q 24 x 40 Gigabit Ethernet QSFP+ ports (base configuration); expandable to 36 ports; supports 10GbE breakout
Brand: Brocade
SKU: BR-VDX6940-24Q-AC-R

BR-VDX6940-24Q-AC-R - Brocade VDX 6940-36Q 24 x 40 Gigabit Ethernet QSFP+ ports (base configuration); expandable to 36 ports; supports 10GbE breakout | US IT Hardware

Product overview

The Brocade VDX 6940-36Q (SKU: BR-VDX6940-24Q-AC-R), now under Extreme Networks, is a fixed-configuration Layer 3 managed Ethernet switch optimized for 40 Gigabit Ethernet in data centers. It features 24 base 40GbE QSFP+ ports expandable to 36, supporting 10GbE breakout for up to 144 ports, with 1.44 Tbps switching capacity and 112 Mpps throughput. Equipped with dual redundant 500W AC power supplies, 5 field-replaceable fan units, and configurable front-to-back or back-to-front airflow in a 1U rack-mount form factor. Management includes RJ-45 serial console and in-band Ethernet, supporting protocols like BGP and IPv6. Compliance covers FIPS 140-2, RoHS-6, and NEBS. Ideal for spine/leaf deployments requiring low latency, high scalability (256K MAC, 12K IPv4 routes), and DCB with 8 priority classes. Operates 0-40°C, ensuring enterprise reliability.

1.44 Tbps switching, 112 Mpps throughput
24-36x 40GbE QSFP+ ports, 10GbE breakout
Dual 500W redundant AC power supplies
256K MAC, 12K IPv4 routes scalability
1U rack-mount, configurable airflow
FIPS 140-2 certified, NEBS compliant

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 #	BR-VDX6940-24Q-AC-R
Brand	Brocade
Condition	New
Model	VDX 6940-36Q
EMC Immunity	EN55024
Product Line	ExtremeSwitching VDX 6940
Product Type	Fixed Configuration Layer 3 Managed Ethernet Switch
Supported Protocols	BGP Route Flap Damping (RFC 2439); IPv6 Stateless Address Auto-Configuration (RFC 2462); IPv6 over Ethernet (RFC 2464)
Switch Architecture	Stackable; supports ISSU (In-Service Software Upgrade)
Management Interface	Out-of-band management via RJ-45 serial console; in-band via Ethernet

Compatible systems

VDX 6940-36Q is a standalone Layer 3 data center switch; compatibility information not specified in available documentation

Best for

Data Center Spine
Deploy as spine in leaf-spine architecture with 1.44 Tbps capacity and 112 Mpps throughput for non-blocking 40GbE traffic across 36 QSFP+ ports.
Leaf Switching
Serves as leaf switch supporting 10GbE breakout to 144 ports, with 256K MAC table and 12K IPv4 routes for scalable server connectivity.
High-Density Aggregation
Aggregates traffic with DCB 8 priority classes and ISSU for zero-downtime upgrades in enterprise environments.
Secure Networking
FIPS 140-2 certified module ensures cryptographic security for compliant data center operations.

Frequently asked questions

What ports does the VDX 6940-36Q support?

Details

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Regulatory Certifications	ICES-003 Class A; VCCI Class A; CE; C-Tick; BSMI; KCC Class A

Cryptographic Certification	FIPS 140-2 multi-chip standalone cryptographic module

Network & Communication

Throughput	112 Mpps (Million packets per second)
MAC Address Table	256,000 entries
Switching Capacity	1.44 Tbps (Terabits per second)
Maximum IPv4 Unicast Routes	12,000
Maximum IPv6 Unicast Routes	3,000
DCB Priority Flow Control Classes	8 classes

Power Consumption

Input Voltage	90–264 VAC (range); 100–240 VAC (nominal)
Power Supplies	Two internal, redundant, field-replaceable, load-sharing AC power supplies; each 500W maximum output
Line Protection	Line Fused (30 A)
Input Line Frequency	47–63 Hz (range); 50–60 Hz (nominal)
Maximum Input Current	6 A @ 100 VAC; 7 A @ 90 VAC
Maximum Inrush Current	30 A peak at cold start; 50 A peak at warm start for <10 ms; 10 A peak for 10–150 ms cycles; <7 A peak for >150 ms

Physical Characteristics

Weight	Not specified in available documentation
Dimensions	1U height; 19-inch width; depth not specified in available documentation
Form Factor	1U, 19-inch EIA-compliant rack-mount
Cooling Fans	5 field-replaceable fan units (FRUs); each FRU contains 2 fans
Maximum Airflow	159 cmh (94 cfm)
Minimum Airflow	65 cmh (38 cfm)
Airflow Direction	Front-to-back or back-to-front configurable; power inlet from back (non-port side)

Operating Humidity	10% to 90% non-condensing
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Operating Temperature	0°C to 40°C (32°F to 104°F)

Interface/Ports

Port Type	QSFP+ (Quad Small Form-factor Pluggable Plus)
Ethernet Ports	24 x 40 Gigabit Ethernet QSFP+ ports (base configuration); expandable to 36 ports; supports 10GbE breakout via cables
Management Port	RJ-45 serial console port (pinout specifications available)

Brocade VDX 6940-36Q 24 x 40 Gigabit Ethernet QSFP+ ports (base configuration); expandable to 36 ports; supports 10GbE breakout