C9300-48UB-E – 48x1G UPOE Ports – Higher-Scale Buffer – 822W PoE Budget
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Cisco C9300-48UB-E Compatible Accessories, Modules & Spare Parts
Find compatible network modules, power supplies, fans, optics, cables and spare parts for the Cisco C9300-48UB-E. These accessories support fiber connectivity, hardware replacement, spare inventory and network maintenance projects.
Optics & Cables Compatible with Cisco C9300-48UB-E
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SFP-10G-SR-S
10GBASE-SR SFP+ - S-Class - 400m OM4 MMFOriginal price was: $1,870.01.$50.00Current price is: $50.00. Condition: New Factory Sealed -
SFP-10G-SR
10GBASE-SR SFP+ - 850nm MMF - 400m OM4Original price was: $2,658.11.$71.68Current price is: $71.68. Condition: New Factory Sealed -
SFP-10G-LR-S
10GBASE-LR SFP+ - S-Class - 10km SMFOriginal price was: $5,342.92.$128.00Current price is: $128.00. Condition: New Factory Sealed -
SFP-10G-LR
10GBASE-LR SFP+ - 1310nm SMF - 10km ReachOriginal price was: $10,672.47.$170.00Current price is: $170.00. Condition: New Factory Sealed -
SFP-25G-SR-S
25GBASE-SR SFP28 - 850nm MMF - 100m OM4Original price was: $2,658.11.$314.00Current price is: $314.00. Condition: New Factory Sealed -
SFP-10/25G-LR-S
10/25GBASE-LR SFP28 - 1310nm 10km SMF TransceiverOriginal price was: $5,877.20.$333.50Current price is: $333.50. Condition: New Factory Sealed -
QSFP-40G-SR4
40G SR4 QSFP - MPO-12 MMF - 4x10G BreakoutOriginal price was: $8,001.01.$139.00Current price is: $139.00. Condition: New Factory Sealed -
GLC-LH-SMD
1000BASE-LX/LH SFP - 10km SMF / 550m MMF - DOMOriginal price was: $2,658.11.$95.80Current price is: $95.80. Condition: New Factory Sealed -
GLC-TE
1000BASE-T SFP - RJ-45 Cat5 Copper - 100m ReachOriginal price was: $1,202.16.$62.50Current price is: $62.50. Condition: New Factory Sealed -
GLC-SX-MMD
1000BASE-SX SFP - MMF 850nm - DOMOriginal price was: $1,335.73.$57.00Current price is: $57.00. Condition: New Factory Sealed
Network Modules Compatible with Cisco C9300-48UB-E
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C9300-NM-2Y
2x25G/10G/1G SFP28 Ports - Catalyst 9300 ModuleOriginal price was: $4,963.08.$1,094.40Current price is: $1,094.40. Condition: New Factory Sealed -
C9300-NM-2Q
2x40G QSFP+ Uplinks - Catalyst 9300 ModuleOriginal price was: $4,941.76.$779.40Current price is: $779.40. Condition: New Factory Sealed -
C9300-NM-4G
4x1GE SFP Ports - Catalyst 9300 ModuleOriginal price was: $1,046.49.$225.90Current price is: $225.90. Condition: New Factory Sealed -
C9300-NM-4M
4x10G/mGig Copper Ports - Catalyst 9300 ModuleOriginal price was: $2,906.92.$610.20Current price is: $610.20. Condition: New Factory Sealed -
C9300-NM-8X
8x10G/1G SFP+ Uplinks - Network Module - Catalyst 9300Original price was: $4,941.76.$741.60Current price is: $741.60. Condition: New Factory Sealed
Power Supplies & Fans Compatible with Cisco C9300-48UB-E
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PWR-C1-1100WAC-P
1100W AC PSU - Catalyst 9300 C1 - Platinum RatedOriginal price was: $2,317.88.$635.40Current price is: $635.40. Condition: New Factory Sealed -
PWR-C1-1900WAC-P
1900W AC PSU - Catalyst 9300 C1 - Platinum RatedOriginal price was: $12,784.00.$1,598.00Current price is: $1,598.00. Condition: New Factory Sealed
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C9300-48UB-E Description
C9300-48UB-E is a Cisco Catalyst 9300 higher-scale stackable access switch for campus access layers that need 48 1G copper downlink ports with Cisco UPOE, modular uplink flexibility, and higher buffer and scale headroom than standard 9300 Gigabit models. Cisco lists this SKU with Network Essentials, a default PWR-C1-1100WAC-P power supply, 822W of available PoE, StackWise-480 stacking, and StackPower support, which makes it fit dense wired access deployments that must power phones, access points, and other edge devices while keeping modular uplink choices open for the aggregation design.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Product ID |
C9300-48UB-E |
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Product type |
Higher-scale stackable access switch with modular uplinks |
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Access ports |
48 x 10/100/1000 Mbps Cisco UPOE copper ports |
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Scale profile |
Catalyst 9300 higher-scale model |
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Packet buffer |
32 MB for higher-scale Gigabit Ethernet models |
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Uplink architecture |
Modular uplink slot with C9300-NM-8X default order selection |
|
Network license |
Network Essentials |
|
Default power supply |
PWR-C1-1100WAC-P |
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Default PoE budget |
822W |
|
Stacking and StackPower |
StackWise-480 with StackPower support |
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Expanded PoE budget |
1800W with supported secondary power supply configuration |
|
Switching and forwarding |
256 Gbps standalone switching; 190.48 Mpps standalone forwarding |
Product Performance
Key Features
The `-E` suffix identifies the Network Essentials order line for the higher-scale C9300-48UB switch, separate from the Network Advantage C9300-48UB-A line.
The downlink block remains 48 1G Cisco UPOE copper ports, but the UB family adds the higher-scale Catalyst 9300 buffer and table profile.
Cisco lists 64,000 MAC addresses, 112,000 IPv4 routes, 56,000 IPv6 routing entries, 18,000 QoS entries, and 18,000 ACL scale entries for the higher-scale profile.
Cisco separates C9300-24UB, C9300-24UXB, and C9300-48UB as higher-scale SKUs that need to stack with other higher-scale models.
Cisco ordering defaults C9300 modular-uplink SKUs to C9300-NM-8X, while the final order can change the uplink module or select no module when the BOM requires it.
The model supports StackPower and lists 822W available PoE with PWR-C1-1100WAC-P, making endpoint load, secondary power, and shared-power cabling part of the order check.
Application Scenarios
C9300-48UB-E fits a campus access closet that needs 48 Cisco UPOE copper downlinks while keeping the network license tier at Network Essentials.
Add this SKU only where the planned Catalyst 9300 stack is built from higher-scale members and the new switch must match the C9300-48UB resource profile.
The SKU works when the downlink requirement is already settled at 48 1G UPOE ports, but uplink media and speed are still selected through a separate C9300-NM module.
Product Comparison
|
Parameter |
C9300-48UB-E | |||
|---|---|---|---|---|
|
Product type |
Higher-scale stackable access switch |
Higher-scale stackable access switch |
Stackable access switch |
Higher-scale stackable access switch |
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Scale profile |
Higher-scale Catalyst 9300 |
Higher-scale Catalyst 9300 |
Standard Catalyst 9300 modular uplink |
Higher-scale Catalyst 9300 |
|
Access ports |
48 x 10/100/1000 UPOE |
48 x 10/100/1000 UPOE |
48 x 10/100/1000 UPOE |
24 x 10/100/1000 UPOE |
|
Uplink architecture |
Modular uplink slot |
Modular uplink slot |
Modular uplink slot |
Modular uplink slot |
|
Network license |
Network Essentials |
Network Advantage |
Network Essentials |
Network Essentials |
|
Default power supply |
PWR-C1-1100WAC-P |
PWR-C1-1100WAC-P |
PWR-C1-1100WAC-P |
PWR-C1-1100WAC-P |
|
Default PoE budget |
822W |
822W |
822W |
830W |
|
Expanded PoE budget |
1800W with supported secondary power supply configuration |
1800W with supported secondary power supply configuration |
1800W with supported secondary power supply configuration |
1440W with supported secondary power supply configuration |
|
Packet buffer |
32 MB |
32 MB |
16 MB |
32 MB |
|
MAC addresses |
64,000 |
64,000 |
32,000 |
64,000 |
|
IPv4 routes |
112,000 total routes |
112,000 total routes |
32,000 total routes |
112,000 total routes |
|
Stack membership |
Higher-scale C9300 members only |
Higher-scale C9300 members only |
Standard C9300 modular-uplink stack profile |
Higher-scale C9300 members only |
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Minimum software release |
Cisco IOS XE Gibraltar 16.12.1 |
Cisco IOS XE Gibraltar 16.12.1 |
Cisco IOS XE Everest 16.5.1a |
Cisco IOS XE Gibraltar 16.12.1 |
|
Switching capacity |
256 Gbps standalone; 736 Gbps with stacking |
256 Gbps standalone; 736 Gbps with stacking |
256 Gbps standalone; 736 Gbps with stacking |
208 Gbps standalone; 688 Gbps with stacking |
|
Forwarding rate |
190.48 Mpps standalone; 547.62 Mpps with stacking |
190.48 Mpps standalone; 547.62 Mpps with stacking |
190.48 Mpps standalone; 547.62 Mpps with stacking |
154.76 Mpps standalone; 511.90 Mpps with stacking |
- C9300-48UB-E vs C9300-48UB-A is a license comparison: both rows keep the 48-port higher-scale UPOE hardware, 822W default PoE value, 32 MB buffer, and higher-scale stack group, while the current SKU is Network Essentials.
- In a C9300-48UB-E vs C9300-48U-E comparison, the difference is scale rather than access-port count, because C9300-48UB-E uses the higher-scale buffer, MAC, route, and stack boundary values while C9300-48U-E uses the standard modular-uplink scale profile.
- For C9300-48UB-E vs C9300-24UB-E, the which model to choose question starts with access density: both are higher-scale Network Essentials 1G UPOE switches, but the current SKU has 48 ports and different listed performance and PoE values.
- C9300-48UB-E vs C9300-24UXB-E is a 1G-versus-mGig comparison, with C9300-24UXB-E moving to 24 multigigabit UPOE ports and a 64 MB packet buffer.
Selection Guide
1. Choose it for Essentials higher-scale density
Select C9300-48UB-E when the approved hardware line requires 48 1G Cisco UPOE access ports plus the higher-scale Catalyst 9300 buffer and table profile under Network Essentials.
2. Change to Advantage only by suffix
Move to C9300-48UB-A when the same higher-scale 48-port UPOE hardware must be tied to Network Advantage instead of Network Essentials.
3. Avoid standard C9300-48U substitution
Keep C9300-48U-E out of the BOM when the requirement names the higher-scale C9300-48UB stack group, 32 MB buffer, or larger route and MAC scale.
4. Separate port count from port speed
Use C9300-24UB-E for 24 higher-scale 1G UPOE ports or C9300-24UXB-E for 24 higher-scale multigigabit UPOE ports rather than treating them as direct C9300-48UB replacements.
PoE Power Planning
|
Planning Item |
Cisco Confirmed Value |
Order Impact |
|---|---|---|
|
Default PoE budget |
C9300-48UB is listed with 822W available PoE and PWR-C1-1100WAC-P as the default supply |
Check endpoint load against the base power profile before adding secondary power |
|
UPOE access class |
C9300-48UB is a 48-port 10/100/1000 Mbps Cisco UPOE switch |
Prevents accidental replacement with PoE+, UPOE+, data-only, or multigigabit access models |
|
StackPower support |
C9300-48UB supports StackPower |
Add StackPower cables only where the power-sharing design calls for them |
|
Higher-scale stack group |
C9300-48UB higher-scale SKUs need other higher-scale stack members |
Keeps the powered-access plan aligned with the supported stack membership |
Ordering Checklist
|
Check Item |
What to Confirm |
Why It Matters |
|---|---|---|
|
Exact hardware line |
C9300-48UB-E on the switch row |
Prevents substitution with C9300-48UB-A, C9300-48U-E, or a 24-port higher-scale model |
|
Stack plan |
Higher-scale C9300 members only |
Avoids mixing C9300-48UB hardware into a standard modular-uplink C9300 stack design |
|
Uplink module |
Default C9300-NM-8X selection, any approved alternate C9300-NM module, and matching media |
Ensures the base switch order includes the intended uplink connector and speed path |
|
License term |
Catalyst Essentials 48-port term license |
Keeps the software subscription aligned with the Network Essentials hardware suffix |
|
Power design |
PWR-C1-1100WAC-P, 822W default PoE budget, secondary supply need, and StackPower cabling |
Matches UPOE endpoint demand to Cisco-confirmed power and accessory facts |
Optional Add-ons
|
Model |
Description |
|---|---|
|
Catalyst 9300 4 x 1GE SFP network module | |
|
Catalyst 9300 8 x 10G/1G SFP+ network module | |
|
Catalyst 9300 2 x 40G network module | |
|
Catalyst 9300 2 x 25G/10G/1G network module | |
|
Catalyst 9300 4 x 10G/mGig copper network module | |
|
NM-BLANK-T1= |
Cisco Catalyst Type 1 network module blank spare |
|
C9300-DNX-E-48-3Y |
C9300 Cisco Catalyst Essentials 48-port 1G copper 3 Year Term license |
|
C9300-DNX-E-48-5Y |
C9300 Cisco Catalyst Essentials 48-port 1G copper 5 Year Term license |
|
C9300-DNX-E-48-7Y |
C9300 Cisco Catalyst Essentials 48-port 1G copper 7 Year Term license |
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1100W AC Platinum-rated power supply spare | |
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Cisco StackWise-480/1T 50 cm stacking cable spare | |
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Cisco StackWise-480/1T 1 m stacking cable spare | |
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Cisco StackWise-480/1T 3 m stacking cable spare | |
|
CAB-SPWR-30CM= |
Cisco Catalyst StackPower cable 30 cm spare |
|
CAB-SPWR-150CM= |
Cisco Catalyst StackPower cable 150 cm spare |
C9300-48UB-E Switch Rear Panel
The switch rear panel includes StackWise connectors, StackPower or XPS connectors, ports, fan modules, and power supply modules.
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.
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Product ID | C9300-48UB-E | Product type | Higher-scale stackable access switch with modular uplinks |
| Network license | Network Essentials | Access ports | 48 x 10/100/1000 Mbps Cisco UPOE copper ports |
| Scale profile | Catalyst 9300 higher-scale model | Default power supply | PWR-C1-1100WAC-P |
| Default PoE budget | 822W | Uplink architecture | Optional field-replaceable C9300 network module |
| Default network module selection | C9300-NM-8X by default for C9300 modular uplink SKUs; alternate module or no-module selection is available | Supported network modules | C9300-NM-4G, C9300-NM-8X, C9300-NM-2Q, C9300-NM-2Y, C9300-NM-4M |
| Stacking architecture | StackWise-480 | Stack members | Higher-scale C9300 models only |
| Stack bandwidth | 480 Gbps | StackPower | Supported |
| Minimum software release | Cisco IOS XE Gibraltar 16.12.1 | 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 | 256 Gbps standalone |
| Switching capacity with stacking | 736 Gbps | Forwarding rate | 190.48 Mpps standalone |
| Forwarding rate with stacking | 547.62 Mpps | DRAM | 8 GB |
| Flash | 16 GB | VLAN IDs | 4094 |
| Jumbo frames | 9198 bytes | MTBF | 337,170 hours |
| Dimensions | 1.73 x 17.5 x 19.2 in. (4.4 x 44.5 x 48.8 cm) | Weight | 17.03 lb (7.72 kg) |
Get More Information
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Quality Certifications
Customer Reviews
Questions & Answers
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What is C9300-48UB-E used for?
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Does C9300-48UB-E provide 90W UPOE+?
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How is C9300-48UB-E different from C9300-48UB-A?
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What makes C9300-48UB-E a higher-scale model?
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Can C9300-48UB-E use the same uplink modules as C9300 modular switches?
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What stacking rule matters for C9300-48UB-E?
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What details matter most for C9300-48UB-E selection?
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When does C9300-48UB-E make sense over C9300-48P-E?
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