C9300-48S-E – 48x1G SFP Data Ports – Modular Uplink – Network Essentials

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C9300-48S-E Description

The C9300-48S-E is a Cisco Catalyst 9300 Series stackable access switch for wiring closets that terminate fiber runs over 1G SFP. The switch has 48 1G SFP ports, a modular uplink slot and 256 Gbps of switching capacity, and its 715W AC supply carries no PoE budget because SFP ports do not source power. The -E suffix carries Network Essentials, which covers Layer 2 and OSPF routing up to 1,000 routes but not BGP, VXLAN or MPLS.

Quick Specs

Parameter

Specification

Product ID

C9300-48S-E

Port count and type

48x 1G SFP fiber ports

Uplink

Modular uplink bay (network module sold separately)

Network license

Network Essentials

Default power supply

PWR-C1-715WAC-P (715W AC)

PoE support

Not supported (fiber SFP ports)

Switching capacity

256 Gbps (736 Gbps stacked)

Forwarding rate

190.47 Mpps (547.62 Mpps stacked)

Stacking

StackWise-480, up to 8 members

Minimum software release

Cisco IOS XE 16.11.1a

License PID family

C9300-DNA/DNX-E-48S

Advantage upgrade path

C9300-LIC= (C9300-48-E-A-3/-5/-7) after purchase, not on the switch order; -E and -A cannot mix in the same stack

Product Performance

Switching Bandwidth
Forwarding Rate
StackWise Stack Bandwidth

Key Features

48 Fiber Ports In One Chassis

All 48 downlinks are 1G SFP, so one chassis terminates a full floor of fiber drops. Single-mode and multimode links share the same cages, selected by the optic installed.

Power Supply Without A PoE Budget

The default 715W AC supply feeds the switch alone, since SFP ports do not source PoE. Endpoints that need inline power connect through a separate powered switch.

Routed Access Within Network Essentials

Network Essentials covers Layer 2, OSPF up to 1,000 routes, VRRP, 802.1X and MACsec-128. BGP, VRF, VXLAN, TrustSec and MACsec-256 sit in Network Advantage.

Uplink Speed Set By A Network Module

The modular slot takes C9300-NM-4G, C9300-NM-8X, C9300-NM-2Q, C9300-NM-2Y or C9300-NM-4M modules. Moving from 10G to 25G or 40G uplinks means swapping the module rather than the switch.

StackWise-480 Within One License Tier

Up to eight units join one stack at 480 Gbps, and every member must run the same license tier. StackPower is available for sharing power across the stack.

Higher Software Floor For Fiber Models

The 1G fiber models start at Cisco IOS XE 16.11.1a, while the copper Catalyst 9300 models start at 16.5.1a. A stack that mixes the two runs a release that supports both.

Application Scenarios

Fiber Wiring Closet

In a building wiring closet that terminates fiber drops, the switch lands up to 48 links on its 1G SFP ports and carries their traffic to the distribution layer through the modular uplink.

Runs Beyond Copper Reach

Where a cable run exceeds the 100 m limit of copper, as between buildings on a campus, the switch connects the far end over single-mode or multimode SFP optics without a media converter.

Stacked Fiber Access Layer

A small campus building can stack up to eight of these switches over StackWise-480, so the group operates as one logical switch with 480 Gbps of stack bandwidth.

Product Comparison

Parameter

C9300-48S-E

C9300-24S-E

C9300-48T-E

Downlink ports

48x 1G SFP

24x 1G SFP

48x 10/100/1000 copper

Network module uplinks

Modular

Modular

Modular

Default AC power supply

PWR-C1-715WAC-P (715W)

PWR-C1-715WAC-P (715W)

PWR-C1-350WAC-P (350W)

Available PoE power

No PoE

No PoE

No PoE

Switching capacity

256 Gbps (736 Gbps stacked)

208 Gbps (688 Gbps stacked)

256 Gbps (736 Gbps stacked)

Forwarding rate

190.47 Mpps (547.62 Mpps stacked)

154.76 Mpps (511.90 Mpps stacked)

190.47 Mpps (547.62 Mpps stacked)

Stack bandwidth

480 Gbps (StackWise-480)

480 Gbps (StackWise-480)

480 Gbps (StackWise-480)

Network stack license

Network Essentials

Network Essentials

Network Essentials

Minimum software release

Cisco IOS XE 16.11.1a

Cisco IOS XE 16.11.1a

Cisco IOS XE 16.5.1a

C9300-48S-E and C9300-48T-E share 256 Gbps of switching capacity, a modular uplink slot and the Network Essentials tier, but C9300-48S-E has 48 SFP fiber ports on a 715W supply where C9300-48T-E has 48 copper ports on a 350W supply, and neither provides PoE. Closets whose endpoints are within copper reach and have no fiber plant can use C9300-48T-E, which also runs from Cisco IOS XE 16.5.1a instead of 16.11.1a. Closets that need only 24 fiber drops can use C9300-24S-E, which has 208 Gbps of switching capacity and the same 715W supply. When BGP, VRF, VXLAN or Cisco TrustSec is needed, order C9300-48S-A; an installed C9300-48S-E can be upgraded with a C9300-LIC= term (C9300-48-E-A-3, -5 or -7), which cannot be placed on the switch order.

Ordering Checklist

  • Software subscription: Order an Essentials term for the 48-port fiber group, such as C9300-DNX-E-48S-5Y or C9300-DNA-E-48S-5Y (3, 5 or 7 years). The configurator defaults to Advantage, which does not match a Network Essentials switch.
  • Uplink module: Keep the default C9300-NM-8X, change it to another Catalyst 9300 network module, or select C9300-NM-NONE. The configurator fills the modular uplink slot, so the default adds a module to the order.
  • Second power supply: A second supply matching the primary is selected by default and C9300-SPS-NONE removes it. Leaving the default adds a second supply to the order; removing it leaves the switch on a single supply.
  • Stack cables: A 50 cm StackWise cable and a 30 cm StackPower cable are selected by default; C9300-STACK-NONE and C9300-SPWR-NONE remove them. A stack across racks needs longer cables ordered separately, and a standalone switch needs neither default.
  • Power cords: Select the cord type for the destination country. The configurator defaults to North America cords and ships two.

Optional Add-ons

Model

Description

C9300-NM-4G / C9300-NM-4M / C9300-NM-8X / C9300-NM-2Q / C9300-NM-2Y

Field-installable Catalyst 9300 uplink network modules confirmed for the C9300-48S-E modular uplink bay.

PWR-C1-715WAC-P

Second AC power supply, matching the default supply, for 1+1 AC redundancy in the C9300-48S-E power bay.

STACK-T1-50CM / STACK-T1-1M / STACK-T1-3M

StackWise-480 data stacking cables (0.5 m / 1 m / 3 m) for stacking additional Catalyst 9300 switches.

FAN-T2=

Field-replaceable fan module spare for the standard three-fan N+1 redundant fan tray.

Specifications

Parameter Specification Parameter Specification
Product ID C9300-48S-E Network license Network Essentials
Downlink ports 48x 1G SFP fiber ports Uplink Modular uplink bay, no module installed by default
Management interfaces 10/100/1000 Ethernet management port, RJ-45 console port, USB mini-Type B 5-pin console port SSD storage Rear USB 3.0 SSD bay supports 120 GB / 240 GB SSD modules
Switching capacity 256 Gbps (736 Gbps in an 8-member StackWise-480 stack) Forwarding rate 190.47 Mpps (547.62 Mpps stacked)
MAC addresses 32,000 entries IPv4 routes 32,000 (24,000 direct + 8,000 indirect)
IPv6 routes 16,000 entries Multicast routes 8,000 entries
QoS / ACL entries 5,120 QoS entries, 5,120 ACL entries DRAM / flash 8 GB DRAM, 16 GB Flash
VLAN IDs 4094 Switched virtual interfaces 1,000
PVST instances 300 Packet buffer / FNF flows 16 MB buffer, up to 64,000 FNF flows (Catalyst 9300 Gigabit Ethernet group value)
Stacking StackWise-480, up to 8 members, 480 Gbps stack bandwidth Total routed ports per stack 448
Default power supply PWR-C1-715WAC-P, 715W AC, 100-240VAC 50-60Hz, 2,440 BTU/hr output PoE support Not supported (fiber SFP ports do not source PoE)
Power supply slots 2 internal bays; ships with 1 supply installed and a blank module in the second bay Minimum software release Cisco IOS XE 16.11.1a
Operating temperature -5 to 45C at up to 5000 ft (1500m) Storage temperature -40 to 70C
Operating humidity 5-90% noncondensing Operating altitude Operating up to 10,000 ft (3000m), storage up to 15,000 ft (4500m)
Acoustic noise LpA 45dB typical / 48dB max, LwA 5.6B typical / 5.9B max Connector types LC fiber (SFP), RJ-45 (management), RJ-45-to-DB9 (console)
Dimensions 1.73 x 17.5 x 19.2 in with default power supply (1.73 x 17.5 x 17.7 in chassis only) Weight 7.86 kg (17.32 lb) with default power supply
MTBF 281,920 hours Regulatory compliance UL 60950-1, CAN/CSA-C22.2 No. 60950-1, EN 60950-1, IEC 60950-1, AS/NZS 60950.1, FCC Part 15, EN 55032 Class A, CISPR 32 Class A, RoHS 5
License PID family C9300-DNA/DNX-E-48S

Quality Certifications

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    Amanda Reyes
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    Got a volume discount that made our project financially viable.

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    Posted on 25/12/2025
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    4.0

    Set up and forgotten — that’s how it should be.

    Jennifer Morales
    Posted on 19/12/2025
    Verified Buyer
    4.0

    Express shipping option was available and reasonably priced. Shipping took a couple extra days, but product itself is perfect.

    IT Director
    Posted on 10/09/2025
    Verified Buyer
    5.0

    Verified genuine. We only buy authentic gear.

    Bucky Barnes
    Posted on 12/07/2025
    Verified Buyer
    5.0

    Solid shipping. No damage. Reliable.

Questions & Answers

  • Can C9300-48S-E be stacked?

    Yes. C9300-48S-E stacks over StackWise-480 with up to eight members, all on the same license tier. StackPower is available for sharing power across the stack. A stack across racks needs longer StackWise cables ordered separately.
  • Does C9300-48S-E support BGP?

    No. Network Essentials on C9300-48S-E covers Layer 2, OSPF up to 1,000 routes, VRRP, 802.1X and MACsec-128. BGP, VRF, VXLAN, TrustSec and MACsec-256 sit in Network Advantage. A C9300-LIC= term (C9300-48-E-A-3, -5 or -7) adds Advantage after purchase, and it cannot sit on the switch order.
  • Which high-availability features does C9300-48S-E not support on Network Essentials?

    C9300-48S-E does not include NSF, GIR, xFSU or CLI software patching, which belong to Network Advantage. HSRP and IS-IS are also Advantage features. An installed switch gains them with a C9300-LIC= term, because the license cannot change at the time of purchase on the switch order.
  • Can C9300-48S-E run EIGRP or IP SLA?

    No. EIGRP, BSR, MSDP, PIM-BIDIR and IP SLA are Network Advantage features, so the Network Essentials license on C9300-48S-E does not include them. Routing on this license stays with OSPF up to its route limit. Add Advantage after purchase through a C9300-LIC= term, per the Catalyst 9300 datasheet.
  • Is ThousandEyes bundled with a C9300-DNX-E-48S-5Y Essentials term for C9300-48S-E?

    No. TE-EMBEDDED-T, the ThousandEyes Network and Application Synthetics license, is included only with 3-, 5- or 7-year Advantage subscriptions on the Catalyst 9300. An Essentials term for C9300-48S-E does not carry it, and the license term cannot be added to the switch order. Cisco Spaces Extend, PID D-DNAS-EXT-S-T, follows the same Advantage-only rule.
  • How many MAC addresses and IPv6 routes does C9300-48S-E hold?

    C9300-48S-E holds 32,000 MAC addresses and 16,000 IPv6 routes, with 5,120 ACL entries. Per the Catalyst 9300 datasheet, up to 1,000 SVIs can be configured, and you must size the VLAN design within that limit when you plan the closet.
  • How many C9300-48S-E switches can share power in a StackPower ring?

    Up to four C9300-48S-E switches can share power in a StackPower ring with 1+N redundancy. An XPS 2200 extends this to eight switches in a star topology. One eight-member data stack can hold two power stacks. Order CAB-SPWR-30CM or CAB-SPWR-150CM for the cabling, per the Catalyst 9300 datasheet.
  • What are the input and heat ratings of PWR-C1-715WAC-P in C9300-48S-E?

    PWR-C1-715WAC-P delivers 715W maximum output from an input of 100-240VAC at 50-60Hz, drawing 10-5A. Its heat output is 2440 BTU/hr. You must use these figures when you check the closet cooling plan and the branch circuit, per the Catalyst 9300 hardware installation guide.
  • Which console port takes priority on C9300-48S-E when two are connected?

    The USB mini-Type B 5-pin console takes priority over the RJ-45 console when both are connected. C9300-48S-E also has a 10/100/1000 Ethernet management port, which you configure separately. The RJ-45 console follows the EIA/TIA-232 standard, per the Catalyst 9300 hardware installation guide.
  • Which power supplies besides PWR-C1-715WAC-P fit C9300-48S-E, and what redundancy applies?

    Catalyst 9300 chassis take 350W AC, 715W AC, 715W DC, 1100W AC and 1900W AC supplies. Each switch holds two supplies in an N+1 arrangement. All are Platinum-rated at 90% efficiency except the DC unit, which is Gold-rated. Per the Cisco datasheet, the supply PIDs end in -P for the Platinum AC models.
  • Can C9300-48S-E use the PWR-C1-1900WAC-P power supply?

    Yes. PWR-C1-1900WAC-P is listed as an available supply for modular-uplink Catalyst 9300 models and can be mixed with the other 9300 supplies. It delivers 1500W at 115V input and 1900W at 230V input. It also takes its own power cord, so order that cord with it.

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DataSheet Downloads

  • C9300-48S-E Datasheet

  • Cisco Catalyst 9300 Switch Datasheet