Who needs C9300-24UB-A for higher-scale 1G copper UPOE and Network Advantage?

C9300-24UB-A fits higher-scale 24-port 1G copper UPOE access stacks that also need Network Advantage routing and policy capabilities.

What does C9300-24UB-A add over C9300-24UB-E?

C9300-24UB-A keeps the higher-scale 24-port UPOE hardware and changes the software tier to Network Advantage.

Can C9300-24UB-A stack with 24UXB higher-scale switches?

Yes. C9300-24UB-A can be planned with higher-scale peers, but the design remains 1G UPOE on this member and mGig only on 24UXB members.

Can C9300-24UB-A stack with C9300-24U-A?

No. C9300-24UB-A is a higher-scale SKU and needs higher-scale stack peers, not standard C9300-24U-A stack members.

Does C9300-24UB-A provide 10G/mGig access ports?

No. C9300-24UB-A is a higher-scale 1G copper UPOE member. Use 24UXB when each access port needs 10G/mGig copper speed.

When does C9300-24UB-A fit routed access?

C9300-24UB-A fits routed access when higher-scale 1G UPOE hardware and Network Advantage features are both required.

When is C9300-24UB-A the wrong SKU?

C9300-24UB-A is wrong for standard C9300 stacks, 90W UPOE+ endpoints, fiber downlinks, or mGig access designs.

What Network Advantage higher-scale details matter for C9300-24UB-A?

C9300-24UB-A planning depends on higher-scale stack rules, Network Advantage scope, UPOE device wattage, StackPower, modular uplinks, and power redundancy.

C9300-24UB-A – 24x1G UPOE Ports – Higher-Scale Buffer – Network Advantage

Name: C9300-24UB-A Price - Higher-Scale 24-Port UPOE Catalyst 9300 Switch
Brand: Cisco
SKU: C9300-24UB-A
Price: 5165.10 USD
Availability: InStock
Rating: 4.92 (13 reviews)

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Cisco C9300-24UB-A Compatible Accessories, Modules & Spare Parts

Find compatible network modules, power supplies, fans, optics, cables and spare parts for the Cisco C9300-24UB-A. These accessories support fiber connectivity, hardware replacement, spare inventory and network maintenance projects.

Optics & Cables Compatible with Cisco C9300-24UB-A

SFP-10G-SR-S
10GBASE-SR SFP+ - S-Class - 400m OM4 MMF
Rated 5 out of 5
Original price was: $1,870.01.Current price is: $50.00. Condition: New Factory Sealed
SFP-10G-SR
10GBASE-SR SFP+ - 850nm MMF - 400m OM4
Rated 4.75 out of 5
Original price was: $2,658.11.Current price is: $71.68. Condition: New Factory Sealed
SFP-10G-LR-S
10GBASE-LR SFP+ - S-Class - 10km SMF
Rated 4.75 out of 5
Original price was: $5,342.92.Current price is: $128.00. Condition: New Factory Sealed
SFP-10G-LR
10GBASE-LR SFP+ - 1310nm SMF - 10km Reach
Rated 4.88 out of 5
Original price was: $10,672.47.Current price is: $170.00. Condition: New Factory Sealed
SFP-25G-SR-S
25GBASE-SR SFP28 - 850nm MMF - 100m OM4
Rated 4.75 out of 5
Original price was: $2,658.11.Current price is: $314.00. Condition: New Factory Sealed
SFP-10/25G-LR-S
10/25GBASE-LR SFP28 - 1310nm 10km SMF Transceiver
Rated 4.75 out of 5
Original price was: $5,877.20.Current price is: $333.50. Condition: New Factory Sealed
QSFP-40G-SR4
40G SR4 QSFP - MPO-12 MMF - 4x10G Breakout
Rated 4.86 out of 5
Original price was: $8,001.01.Current price is: $139.00. Condition: New Factory Sealed
GLC-LH-SMD
1000BASE-LX/LH SFP - 10km SMF / 550m MMF - DOM
Rated 4.91 out of 5
Original price was: $2,658.11.Current price is: $89.00. Condition: New Factory Sealed
GLC-TE
1000BASE-T SFP - RJ-45 Cat5 Copper - EXT
Rated 4.89 out of 5
Original price was: $1,202.16.Current price is: $51.52. Condition: New Factory Sealed
GLC-SX-MMD
1000BASE-SX SFP - MMF 850nm - DOM
Rated 5 out of 5
Original price was: $1,335.73.Current price is: $57.00. Condition: New Factory Sealed

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C9300-24UB-A Description

C9300-24UB-A is a Cisco Catalyst 9300 higher-scale stackable access switch with 24 10/100/1000 UPOE copper ports, modular uplinks, Network Advantage, 830W available PoE with the default 1100W AC power supply, StackWise-480, and StackPower.

The procurement difference is not port speed; C9300-24UB-A keeps the 24-port 1G UPOE access profile while moving into the higher-scale Catalyst 9300 group with a 32-MB packet buffer, 64,000 MAC addresses, and 112,000 IPv4 routes. C9300-24U-A is the standard-scale Network Advantage alternative, while C9300-24UXB-A is the higher-scale 10G/mGig UPOE model.

Quote review should separate the higher-scale stack family from standard C9300 members, then confirm whether the default C9300-NM-8X uplink module remains in the order, which Advantage subscription term is selected, the 1100W power plan, StackWise cable length, StackPower cabling, power cord region, availability check, warranty support, and shipping destination.

Quick Specs

Parameter	Specification
Product ID	C9300-24UB-A
Product family	Cisco Catalyst 9300 Series
Product type	Higher-scale stackable access switch with modular uplinks
Access ports	24 x 10/100/1000 UPOE copper ports
Higher-scale profile	32-MB packet buffer for higher-scale Gigabit Ethernet models
Uplink architecture	Modular uplink slot; C9300-NM-8X is the default C9300 order selection unless changed
Network license	Network Advantage
Software subscription	Cisco Catalyst or Cisco DNA Advantage 24-port term subscription
Default power supply	PWR-C1-1100WAC-P
PoE budget with default supply	830W
Minimum software release	Cisco IOS XE Gibraltar 16.12.1
Stacking and StackPower	StackWise-480 with StackPower support
Switching and forwarding	208 Gbps standalone switching; 154.76 Mpps standalone forwarding

Product Performance

Higher-Scale Packet Buffer

Higher-Scale MAC Table

Standalone Switching Capacity

Key Features

Higher-scale 24-port UPOE identity

The `24UB` hardware profile marks this as a 24-port 1G Cisco UPOE Catalyst 9300 switch in the higher-scale group, not the standard C9300-24U order line.

Network Advantage suffix

The `-A` suffix ties the hardware to Network Advantage, while the same higher-scale 24-port UPOE hardware is also listed as C9300-24UB-E with Network Essentials.

32-MB buffer for Gigabit Ethernet

Cisco lists the higher-scale Gigabit Ethernet models with a 32-MB packet buffer, a key distinction from standard 24-port and 48-port Gigabit Ethernet C9300 models.

Higher routing and policy scale

The higher-scale Catalyst 9300 column lists 64,000 MAC addresses, 112,000 IPv4 routes, 56,000 IPv6 routing entries, 18,000 QoS entries, and 18,000 ACL scale entries.

Higher-scale stacking boundary

Cisco states that C9300-24UB, C9300-24UXB, and C9300-48UB higher-scale SKUs need to be stacked with other higher-scale models.

Modular uplink order control

Cisco ordering defaults C9300 modular-uplink SKUs to C9300-NM-8X, while still allowing another C9300-NM choice or a no-network-module selection.

Application Scenarios

Higher-scale 1G UPOE access stack

C9300-24UB-A fits a Catalyst 9300 access stack that needs 24 1G UPOE ports plus the higher-scale buffer and table profile of the UB hardware family.

Advantage licensed campus refresh

The SKU suits a Network Advantage campus standard where the BOM must avoid the C9300-24UB-E Essentials line but still stay with the 24-port 1G UPOE higher-scale hardware.

Controlled higher-scale stack expansion

Use this model only where the stack plan is based on higher-scale Catalyst 9300 members, because Cisco separates C9300-24UB, C9300-24UXB, and C9300-48UB from mixed standard C9300 stacking.

Product Comparison

Parameter	C9300-24UB-A	C9300-24UB-E	C9300-24U-A	C9300-24UXB-A	C9300-48UB-A
Product family	Catalyst 9300 Series	Catalyst 9300 Series	Catalyst 9300 Series	Catalyst 9300 Series	Catalyst 9300 Series
Product type	Higher-scale stackable access switch	Higher-scale stackable access switch	Stackable access switch	Higher-scale stackable access switch	Higher-scale stackable access switch
Scale profile	Higher-scale Catalyst 9300	Higher-scale Catalyst 9300	Standard Catalyst 9300 modular uplink	Higher-scale Catalyst 9300	Higher-scale Catalyst 9300
Access ports	24 x 10/100/1000 UPOE	24 x 10/100/1000 UPOE	24 x 10/100/1000 UPOE	24 x 10G/mGig UPOE	48 x 10/100/1000 UPOE
Uplink architecture	Modular uplink slot	Modular uplink slot	Modular uplink slot	Modular uplink slot	Modular uplink slot
Network license	Network Advantage	Network Essentials	Network Advantage	Network Advantage	Network Advantage
Cisco Catalyst subscription	Catalyst Advantage 24-port term license	Catalyst Essentials 24-port term license	Catalyst Advantage 24-port term license	Catalyst Advantage 24-port term license	Catalyst Advantage 48-port term license
Default power supply	PWR-C1-1100WAC-P	PWR-C1-1100WAC-P	PWR-C1-1100WAC-P	PWR-C1-1100WAC-P	PWR-C1-1100WAC-P
PoE budget with default supply	830W	830W	830W	560W	822W
Packet buffer	32 MB	32 MB	16 MB	64 MB	32 MB
MAC addresses	64,000	64,000	32,000	64,000	64,000
IPv4 routes	112,000	112,000	32,000	112,000	112,000
Stacking architecture	StackWise-480 higher-scale stack group	StackWise-480 higher-scale stack group	StackWise-480 standard C9300 group	StackWise-480 higher-scale stack group	StackWise-480 higher-scale stack group
Switching capacity	208 Gbps standalone; 688 Gbps with stacking	208 Gbps standalone; 688 Gbps with stacking	208 Gbps standalone; 688 Gbps with stacking	640 Gbps standalone; 1120 Gbps with stacking	256 Gbps standalone; 736 Gbps with stacking
Forwarding rate	154.76 Mpps standalone; 511.90 Mpps with stacking	154.76 Mpps standalone; 511.90 Mpps with stacking	154.76 Mpps standalone; 511.90 Mpps with stacking	476.19 Mpps standalone; 833.33 Mpps with stacking	190.48 Mpps standalone; 547.62 Mpps with stacking

In a C9300-24UB-A vs C9300-24UB-E comparison, the higher-scale 24-port UPOE hardware, 32-MB buffer, 64,000 MAC address scale, 830W PoE budget, and StackWise-480 group match; the confirmed difference is Network Advantage versus Network Essentials.
The C9300-24UB-A difference from C9300-24U-A is the scale profile: C9300-24UB-A is in the higher-scale group with a 32-MB buffer, 64,000 MAC addresses, and 112,000 IPv4 routes, while C9300-24U-A is the standard 24-port UPOE model.
For C9300-24UB-A vs C9300-24UXB-A, the comparison is 1G UPOE access versus 10G/mGig UPOE access; the 24UXB model also has the 64-MB packet buffer and higher listed switching and forwarding figures.
In a C9300-24UB-A vs C9300-48UB-A comparison, the which model to choose question turns on access density because both are higher-scale 1G UPOE Network Advantage models, but the 48UB SKU doubles the port count and changes the listed PoE budget and performance figures.

Selection Guide

1. Match it to higher-scale 1G UPOE access

Choose C9300-24UB-A when the BOM needs 24 1G Cisco UPOE access ports and the higher-scale Catalyst 9300 buffer, MAC, routing, QoS, and ACL profile.

2. Keep the license tier explicit

Select C9300-24UB-E instead only when the same higher-scale 24-port UPOE hardware should be ordered with Network Essentials rather than Network Advantage.

3. Do not substitute standard 24U hardware blindly

Use C9300-24U-A only when the standard Catalyst 9300 scale profile is acceptable, because it does not match the higher-scale C9300-24UB buffer and table values.

4. Separate mGig and 48-port requirements

Specify C9300-24UXB-A for higher-scale 10G/mGig UPOE downlinks or C9300-48UB-A for 48 higher-scale 1G UPOE ports instead of forcing those requirements into C9300-24UB-A.

PoE Power Planning

Planning Item	Cisco Confirmed Value	Order Impact
Default PoE budget	C9300-24UB is listed with 830W available PoE and PWR-C1-1100WAC-P as the default supply	Size the powered endpoint plan to the 830W default budget unless the power design adds a second supply
Secondary supply selection	Cisco ordering selects a secondary power supply by default unless the no-secondary-supply option is chosen	Decide whether the quote should keep redundant power or remove the secondary supply from the configuration
UPOE access profile	C9300-24UB is a 24-port 10/100/1000 UPOE model	Prevent replacement with data-only, PoE+, UPOE+, or mGig order lines unless the access-port requirement changes
StackPower	C9300-24UB supports StackPower	Add StackPower cables only when the site design requires shared power across compatible Catalyst 9300 stack members

Ordering Checklist

Check Item	What to Confirm	Why It Matters
Exact SKU	C9300-24UB-A	Confirms the order is the higher-scale 24-port 1G UPOE Catalyst 9300 switch with Network Advantage
Higher-scale stack family	Stack members limited to other higher-scale C9300 models	Prevents mixing C9300-24UB with standard C9300 members in an unsupported stack plan
Uplink module	C9300-NM-8X default order selection or another supported C9300-NM choice	Keeps the modular-uplink decision explicit when the quote needs a different uplink or no network module
Advantage subscription term	Cisco Catalyst or Cisco DNA Advantage 24-port 3-year, 5-year, or 7-year subscription	Keeps the software line aligned with the 24-port Network Advantage hardware SKU
Power plan	PWR-C1-1100WAC-P default supply, 830W PoE budget, and any secondary supply requirement	Keeps UPOE endpoint power planning tied to Cisco-confirmed power values
Stack accessories and commercial details	StackWise cable length, StackPower cabling, power cord region, price request, availability check, warranty support, and shipping destination	Keeps the final quote tied to the confirmed hardware, license, power, uplink, and cable choices

Optional Add-ons

Model	Description
C9300-NM-4G	Catalyst 9300 Series 4 x 1G network module
C9300-NM-8X	Catalyst 9300 Series 8 x 10G/1G network module
C9300-NM-2Q	Catalyst 9300 Series 2 x 40G network module
C9300-NM-2Y	Catalyst 9300 Series 2 x 25G/10G/1G network module
C9300-NM-4M	Catalyst 9300 Series 4 x 10G/mGig copper network module
PWR-C1-1100WAC-P=	1100W AC Platinum-rated power supply spare
STACK-T1-50CM=	Data stack 50 cm cable option for C9300 and C9300X SKUs
STACK-T1-1M=	Data stack 1 m cable option for C9300 and C9300X SKUs
STACK-T1-3M=	Data stack 3 m cable option for C9300 and C9300X SKUs

C9300-24UB-A Switch Rear Panel

The switch rear panel includes StackWise connectors, StackPower or XPS connectors, ports, fan modules, and power supply modules.

1	Ground connectors	7	StackPower connectors
2	USB3.0–SSD port	8	AC OK (input) status LED
3	BEACON LED	9	PS OK (output) status LED
4	CONSOLE (RJ-45 console port)	10	StackWise-480 port connectors
5	MGMT (RJ-45 10/100/1000 management port)	11	Power supply modules
6	Fan modules	–	–

Rear Panel of a Cisco Catalyst 9300 Series Switch

Components Delivered in the Shipping Box

The shipping box contains the model of the switch you ordered and other components needed for installation. Some components are optional, depending on your order.

1	Cisco Catalyst 9300 Series switch with optional network module¹ (power supply and fan modules not shown)	9	Eight number-8 Phillips flat-head screws
2	AC power cord	10	Cable guide
3	Product documentation and compliance document	11	M4.0 x 20mm Phillips pan-head screw
4	Four rubber mounting feet	12	(Optional) RJ-45 console cable
5	Ground lug screw and ring terminal	13	(Optional) USB console cable
6	Two 19-inch mounting brackets	14	(Optional) StackWise-480/1T cable (0.5-meter, 1-meter, or 3-meter)
7	Four number-12 pan-head screws	15	(Optional) StackPower cable (0.3-meter or 1.5-meter)
8	Four number-10 pan-head screws	16	(Optional) StackWise-320 cable

Specifications

Packaging weight and dimensions included:

Weight	19.43 kg
Dimensions	56 × 54 × 24 cm

Parameter	Specification	Parameter	Specification
Brand	Cisco	Product family	Cisco Catalyst 9300 Series
Product ID	C9300-24UB-A	Base hardware model	C9300-24UB
Product type	Higher-scale stackable access switch with modular uplinks	Network license	Network Advantage
Access ports	24 x 10/100/1000 UPOE copper ports	Scale profile	Catalyst 9300 higher-scale model
Default power supply	PWR-C1-1100WAC-P	PoE budget with default supply	830W
Uplink architecture	Modular C9300 network module slot	Network module order selection	C9300-NM-8X selected by default; alternate C9300-NM or C9300-NM-NONE can be selected
Supported network modules	C9300-NM-4G, C9300-NM-8X, C9300-NM-2Q, C9300-NM-2Y, C9300-NM-4M	Software subscription	Cisco Catalyst or Cisco DNA Advantage 24-port 3Y, 5Y, or 7Y term subscription
Stacking architecture	StackWise-480	Stack members	Higher-scale C9300 models only
Stack bandwidth	480 Gbps	StackPower	Supported
Packet buffer	32 MB	FNF entries	128,000 flows for higher-scale Gigabit Ethernet models
MAC addresses	64,000	IPv4 routes	112,000 total routes
IPv6 routing entries	56,000	Multicast routing scale	16,000
QoS scale entries	18,000	ACL scale entries	18,000
Switching capacity	208 Gbps standalone	Switching capacity with stacking	688 Gbps
Forwarding rate	154.76 Mpps standalone	Forwarding rate with stacking	511.90 Mpps
DRAM	8 GB	Flash	16 GB
Minimum software release	Cisco IOS XE Gibraltar 16.12.1	Fan modules	3 field-replaceable fans
VLAN IDs	4094	Jumbo frames	9198 bytes

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Questions & Answers

Who needs C9300-24UB-A for higher-scale 1G copper UPOE and Network Advantage?
C9300-24UB-A fits higher-scale 24-port 1G copper UPOE access stacks that also need Network Advantage routing and policy capabilities.
What does C9300-24UB-A add over C9300-24UB-E?
C9300-24UB-A keeps the higher-scale 24-port UPOE hardware and changes the software tier to Network Advantage.
Can C9300-24UB-A stack with 24UXB higher-scale switches?
Yes. C9300-24UB-A can be planned with higher-scale peers, but the design remains 1G UPOE on this member and mGig only on 24UXB members.
Can C9300-24UB-A stack with C9300-24U-A?
No. C9300-24UB-A is a higher-scale SKU and needs higher-scale stack peers, not standard C9300-24U-A stack members.
Does C9300-24UB-A provide 10G/mGig access ports?
No. C9300-24UB-A is a higher-scale 1G copper UPOE member. Use 24UXB when each access port needs 10G/mGig copper speed.
When does C9300-24UB-A fit routed access?
C9300-24UB-A fits routed access when higher-scale 1G UPOE hardware and Network Advantage features are both required.
When is C9300-24UB-A the wrong SKU?
C9300-24UB-A is wrong for standard C9300 stacks, 90W UPOE+ endpoints, fiber downlinks, or mGig access designs.
What Network Advantage higher-scale details matter for C9300-24UB-A?
C9300-24UB-A planning depends on higher-scale stack rules, Network Advantage scope, UPOE device wattage, StackPower, modular uplinks, and power redundancy.

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C9300-24UB-A – 24x1G UPOE Ports – Higher-Scale Buffer – Network Advantage

Cisco C9300-24UB-A Compatible Accessories, Modules & Spare Parts

Optics & Cables Compatible with Cisco C9300-24UB-A

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Power Supplies & Fans Compatible with Cisco C9300-24UB-A

C9300-24UB-A Description

Quick Specs

Product Performance

Key Features

Application Scenarios

Product Comparison

Selection Guide

1. Match it to higher-scale 1G UPOE access

2. Keep the license tier explicit

3. Do not substitute standard 24U hardware blindly

4. Separate mGig and 48-port requirements

PoE Power Planning

Ordering Checklist

Optional Add-ons

C9300-24UB-A Switch Rear Panel

Components Delivered in the Shipping Box

Specifications

Get More Information

Quality Certifications

Customer Reviews

Questions & Answers

Who needs C9300-24UB-A for higher-scale 1G copper UPOE and Network Advantage?

What does C9300-24UB-A add over C9300-24UB-E?

Can C9300-24UB-A stack with 24UXB higher-scale switches?

Can C9300-24UB-A stack with C9300-24U-A?

Does C9300-24UB-A provide 10G/mGig access ports?

When does C9300-24UB-A fit routed access?

When is C9300-24UB-A the wrong SKU?

What Network Advantage higher-scale details matter for C9300-24UB-A?

Warranty

Device Authenticity & Lifecycle Verification

Standard Services

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