C9350-48HXG – 24x10G mGig + 24x1G UPOE+ Ports – Modular Uplink – 450W PoE Budget
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C9350-48HXG Description
The C9350-48HXG is a Cisco C9350 Series Smart Switch for campus access closets that split endpoints between 10G Multigigabit and 1G copper links. The switch runs 24 ports from 10M to 10G and 24 ports up to 1G, all with 90W UPOE+, behind a 200G modular uplink slot and 928 Gbps of switching capacity. The default 850W supply provides 450W of PoE, an additional 8 GB of DDR memory is set aside for deep buffering, and the minimum release is Cisco IOS XE 26.2.1.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Product ID |
C9350-48HXG |
|
Downlink ports |
24 x 10M/100M/1G/2.5G/5G/10G Multigigabit RJ-45; 24 x 10M/100M/1G RJ-45 |
|
PoE standards |
UPOE+ (IEEE 802.3bt Type 4), 90W on all 48 ports |
|
Default power supply |
PWR-C2-850WAC-I 850W AC |
|
Default PoE budget |
450W |
|
PoE budget with second 1600W supply |
2050W on 200–240V input |
|
Network module slot |
1 modular uplink slot, up to 200G |
|
Supported network modules |
C9350-NM-2C, C9350-NM-8Y, C9350-NM-8M |
|
Switching capacity |
928 Gbps |
|
Packet buffer |
Additional 8 GB DDR for deep buffering |
|
Timing interfaces |
Dedicated SyncE hardware port |
|
Stacking |
StackWise-1.6T, 1.6 Tbps, up to 8 members |
|
Minimum software release |
Cisco IOS XE 26.2.1 |
Product Performance
Key Features
Twenty-four downlinks are Multigigabit ports that negotiate up to 10G, and the other 24 stop at 1G. On the Multigigabit group, Cat5e holds 2.5G over 100 m, 5G at that distance needs Cat6A, and 10G needs Cat6 up to 55 m or Cat6A up to 100 m.
The switch carries an additional 8 GB of built-in DDR memory for deep buffering. The extra buffer helps maintain consistent application performance during traffic bursts and periods of network congestion.
The 8-core CPU includes an integrated GPU. The hardware is ready for on-box AI inference on smaller AI workloads.
The switch is 5G ready and includes a dedicated hardware port for Synchronous Ethernet (SyncE). The port supports applications that need precise network frequency synchronization.
The default 850W supply leaves 450W for PoE, enough for five ports at the full 90W or about 9W per port with all 48 drawing at once. Larger powered loads need a second or third supply.
The switch has 928 Gbps of switching capacity and a forwarding rate of 690.432 Mpps. That capacity equals 24 ports at 10G, 24 ports at 1G and a full 200G uplink, counted in both directions.
Application Scenarios
On an open office floor, Wi-Fi 6E and Wi-Fi 7 access points take the 10G Multigigabit ports, while desks and devices that link at 1G share the other 24 ports from the same switch.
A facilities closet powers smart building systems, IP surveillance cameras and IT/OT endpoints from the 90W UPOE+ ports of one switch.
Campus closets that already run a C9350 stack can add the switch as their deep-buffer member, joining the same 1.6 Tbps StackWise-1.6T system as the other models.
Product Comparison
|
Parameter |
C9350-48HXG |
C9350-48HM | ||
|---|---|---|---|---|
|
Downlink ports |
24 x 10M-10G Multigigabit and 24 x 10M/100M/1G |
48 x 10M-10G Multigigabit |
12 x 10G and 36 x 5G Multigigabit |
48 x 10M/100M/1G/2.5G Multigigabit |
|
Default power supply |
PWR-C2-850WAC-I |
PWR-C2-1600WAC-I |
PWR-C2-850WAC-I |
PWR-C2-850WAC-I |
|
Default PoE budget |
450W |
1150W |
470W |
570W |
|
Maximum PoE budget |
4320W |
4320W |
4320W |
4320W |
|
Network module slot |
Up to 200G |
Up to 400G |
Up to 200G |
Up to 200G |
|
Switching capacity |
928 Gbps |
1,760 Gbps |
1,000 Gbps |
640 Gbps |
|
Packet buffer |
Additional 8 GB built-in DDR for deep buffering |
36 MB (18 MB per ASIC) |
18 MB (1 ASIC) |
18 MB (1 ASIC) |
|
CPU |
8-core CPU with integrated GPU |
Not published |
Not published |
Not published |
|
Timing interfaces |
Dedicated SyncE hardware port |
Not published |
Not published |
Not published |
C9350-48HXG differs from C9350-48HX in port mix and uplink: 24 of its UPOE+ ports reach 10G and the other 24 stop at 1G, with a 200G uplink slot against 400G. Closets with more than 24 endpoints at 10G, or uplinks above 200G, move to C9350-48HX. The 8 GB deep buffer, the integrated GPU and the dedicated SyncE port are documented for C9350-48HXG only. When more than 24 endpoints need Multigigabit speeds but twelve 10G ports are enough, C9350-48HXN runs 12 ports at 10G and 36 at 5G. C9350-48HM fits closets where 2.5G covers every endpoint, with Multigigabit on all 48 ports and 570W of default PoE against 450W here.
PoE Power Planning
|
Planning Item |
Value or Check |
|---|---|
|
PoE standard |
UPOE+ (IEEE 802.3bt Type 4), up to 90W per port on all 48 ports, 10G and 1G ports alike |
|
Default power supply |
PWR-C2-850WAC-I (850W AC) |
|
Default PoE budget |
450W: 5 ports at 90W, 7 ports at 60W or 15 ports at 30W; total each device class times its port count and compare it with the budget of the chosen supplies |
|
With a second 500W, 850W or 1600W supply |
950W, 1300W or 2050W |
|
With PWR-C2-1600WAC-IUP as the primary supply |
1200W alone; 1700W, 2050W or 2800W with a second 500W, 850W or 1600W supply |
|
30W on all 48 ports |
1440W, met by combinations such as a second 1600W supply on the default unit (2050W) or the 1600W primary with any second supply |
|
60W on all 48 ports |
2880W: three supplies, such as 850W + 850W + 1600W for 2900W |
|
90W on all 48 ports |
4320W, reached only with three 1600W supplies |
|
Input voltage |
Budgets that include a 1600W supply assume 200–240V input; on 115V each 1600W supply delivers 1200W |
Ordering Checklist
- Subscription tier: Order the Access Tier 1 Large (48 ports) subscription, LIC-CS-AC1-L-E for Essentials or LIC-CS-AC1-L-A for Advantage, for at least 36 months. Every member of a stack must run the same license level.
- Uplink module: Add C9350-NM-2C, C9350-NM-8Y or C9350-NM-8M as a separate line. The switch ships without a module, and C9350-NM-4C and C9350-NM-8L are not supported on it.
- Power supplies: Add a secondary supply such as PWR-C2-1600WAC-I/2, or replace the primary with PWR-C2-1600WAC-IUP, when the PoE load exceeds 450W. Full 90W on all 48 ports takes the 1600W primary plus two PWR-C2-1600WAC-I/2 on 200–240V input.
- Stacking cables: Select STACK-T1A-50CM, STACK-T1A-1M or STACK-T1A-3M= for a data stack, and CAB-SPWR-35CM or CAB-SPWR-100CM only for StackPower+. No stack cables are included, and Catalyst 9300 stack cables are not compatible.
- Power cords: Select one cord per supply: CAB-TA cords such as CAB-TA-NA fit the 500W and 850W units, and C9K-PWR-CAB-AC cords such as C9K-PWR-CAB-AC-US fit 1600W units. A switch that mixes both supply types needs both cord families.
- HSECK9 for IPsec: IPsec needs OS Advantage and one HSECK9 per switch, every stack member included. Give Cisco the Smart Account and Virtual Account at order so SLAC is factory-installed; Catalyst Center cannot generate SLAC for this series.
Optional Add-ons
|
Model |
Description |
|---|---|
|
Cisco C9350 network module, 2 x 100G/40G QSFP28, up to 200 Gbps | |
|
Cisco C9350 network module, 8 x 25G/10G/1G or 4 x 50G SFP56, up to 200 Gbps | |
|
C9350-NM-8M |
Cisco C9350 network module, 8 x Multigigabit RJ-45, up to 80 Gbps |
|
PWR-C2-1600WAC-IUP |
1600W AC primary power supply upgrade in place of the default 850W unit |
|
PWR-C2-1600WAC-I/2 |
1600W AC secondary power supply |
|
PWR-C2-850WAC-I/2 |
850W AC Platinum secondary power supply |
|
PWR-C2-500WAC-I/2 |
500W AC Platinum secondary power supply |
|
PWR-C2-850WAC-I= |
850W AC Platinum power supply, spare |
|
StackWise-1.6T stacking cable, 50 cm | |
|
StackWise-1.6T stacking cable, 1 m | |
|
StackWise-1.6T stacking cable, 3 m | |
|
CAB-SPWR-35CM |
StackPower+ cable, 35 cm |
|
CAB-SPWR-100CM |
StackPower+ cable, 100 cm |
|
C9350-FAN-I= |
C9350 port inlet fan module, spare |
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Product ID | C9350-48HXG | Product type | Stackable enterprise access switch |
| Network license | Switching Essentials or Switching Advantage | Minimum software release | Cisco IOS XE 26.2.1 |
| Downlink ports | 24 x 10M/100M/1G/2.5G/5G/10G Multigigabit RJ-45; 24 x 10M/100M/1G RJ-45 | Port speeds | 10M and 100M full duplex only on all 48 ports |
| Network module slot | 1, up to 200G | Supported network modules | C9350-NM-2C, C9350-NM-8Y, C9350-NM-8M |
| Copper cabling | Up to 2.5G on Cat5e at 100 m; 5G on Cat6A at 100 m; 10G on Cat6 up to 55 m or Cat6A up to 100 m | Console port | USB Type-C and RJ-45 |
| Management port | RJ-45 10/100/1000 | USB port | USB Type-C |
| Timing interfaces | Dedicated SyncE hardware port | Switching capacity | 928 Gbps |
| Forwarding rate | 690.432 Mpps | Switching capacity with stacking | 2,528 Gbps |
| Forwarding rate with stacking | 1,880.832 Mpps | Packet buffer | 18 MB per ASIC; additional 8 GB DDR for deep buffering |
| CPU | 8-core CPU with integrated GPU | DRAM | 16 GB |
| Flash | 18 GB | SSD storage | Up to 240 GB (USB 3.0 SSD slot) |
| App hosting resources | 2 x 1G/10G AppGig ports; 4 vCPU; 8 GB DRAM | MAC addresses | Up to 64,000 |
| VLAN IDs | 4,094 | Active VLANs | Up to 4,000 |
| Switched virtual interfaces | Up to 4,000 | PVST instances | Up to 1,000 |
| IPv4 routes | Up to 192,000 | IPv6 routes | Up to 96,000 |
| ARP entries | Up to 64,000 | NDP entries | Up to 32,000 |
| Multicast routes | Up to 8,000 (IPv4) / 4,000 (IPv6) | IGMP snooping groups | Up to 8,000 IGMP / 4,000 MLD |
| ACL entries | Up to 5,000 (IPv4) / 2,500 (IPv6) | QoS entries | Up to 2,000 (IPv4) / 1,000 (IPv6) |
| Flexible NetFlow entries | Up to 64,000 (IPv4) / 32,000 (IPv6) | Jumbo frames | 9,216 bytes |
| Stacking | StackWise-1.6T, 1.6 Tbps, up to 8 C9350 members | StackPower | StackPower+ 55V power sharing, up to 4 switches per ring |
| Management features | Cisco Catalyst Center or Meraki Dashboard | Default power supply | PWR-C2-850WAC-I 850W AC |
| Power supply slots | 3, hot-swappable | Power redundancy | Combined (default) or N+1 redundant |
| Power connector | AC IEC 60320 C16 | Default PoE budget | 450W |
| PoE budget with other supplies | 950W / 1300W / 2050W with second 500W / 850W / 1600W supply; 1200W on a 1600W primary; 4320W with three 1600W supplies; 1600W figures on 200–240V input | PoE standards | UPOE+ (IEEE 802.3bt Type 4), 90W per port on all 48 ports |
| Fan modules | 3 field-replaceable, N+1 redundant, rear access | Airflow | Front to back |
| Dimensions (H x W x D) | 1.73 x 17.5 x 20 in. (4.4 x 44.5 x 51 cm) with 850W supply | Operating temperature | -5°C to 45°C up to 1,830 m (6,000 ft); -5°C to 40°C up to 3,000 m (10,000 ft) |
| Cold start temperature | 0°C | Storage temperature | -40°C to 75°C |
| Operating humidity | 10% to 95%, noncondensing | Operating altitude | Up to 3,000 m (10,000 ft) |
| Storage altitude | Up to 4,500 m (15,000 ft) | MTBF | 221,310 hours |
| Safety certifications | IEC 60950-1, EN 60950-1, IEC 62368-1, UL 60950-1, UL 62368-1, AS/NZS 60950.1, CAN/CSA-C22.2 No. 60950-1-07, CAN/CSA-C22.2 No. 62368-1-14, GB 4943, NOM-019-SCFI | EMC certifications | 47 CFR Part 15 Class A, EN 55032 Class A, CISPR 32 Class A, EN 55024, CISPR 24, EN 300 386, EN 61000-3-2, EN 61000-3-3, ICES-003 Class A, CNS13438 Class A, KN 32 Class A, KN 35, TCVN 7189 Class A, TCVN 7317, V-2/V-3 Class A |
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