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Browse CISCO products for Catalyst and Nexus switching, ISR and Catalyst routing, Secure Firewall, enterprise wireless, optics, modules and software subscriptions. Compare exact models, reference prices, availability requirements, official technical references and procurement requirements from YYST Global.

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WS-C4503-E-S2+48 is the Cisco Catalyst 4503-E data bundle with one 1000AC supply, one Supervisor II-Plus and one WS-X4148-RJ module. The E chassis suffix distinguishes it from WS-C4503-S2+48.

WS-C4503-E-S2+48V is the Cisco Catalyst 4503-E PoE bundle recorded with one 1300AC supply, one Supervisor II-Plus and one WS-X4248-RJ45V module. It is not the S2+48 data bundle.

WS-C4503E-S6L-1300 is a Cisco Catalyst 4503-E bundle with a Supervisor 6L-E, one WS-X4648-RJ45V+E line card and a 1300W power supply. Confirm the fitted parts against the quotation.

WS-C4507R-E is a seven-slot Cisco Catalyst E-Series chassis with supervisor positions 3 and 4 and five switching-module positions. Supervisor 8-E/8L-E requires chassis hardware revision 2.0 or higher.

WS-C4503-E is a Cisco Catalyst 4500 E-Series three-slot chassis. Slot 1 is for one supervisor; slots 2 and 3 accept switching modules. It does not support a redundant supervisor pair.

WS-C4503-S2+48 is a legacy Cisco Catalyst 4503 bundle: one 1000AC supply, one Supervisor II-Plus and one WS-X4148-RJ 48-port 10/100 module. The access module is not a 48-port Gigabit card.

C9400-S-BLANK= is Cisco’s slot blank cover for the Catalyst 9400 Series. Cisco lists C9400-PWR-BLANK= separately as the power-supply blank cover, so the two blanking components are not interchangeable order identities.

Cisco IE-4000-8T4G-E is an industrial Ethernet switch with eight Fast Ethernet copper downlinks and four Gigabit combo uplinks. It is not the 8GT Gigabit-downlink variant.
CISCO buyers should validate software and license tier, PoE budget and uplink module, airflow, power supply and stacking compatibility. Use the active catalog below to compare exact part numbers and open each product page for specification, condition, price and official-source details.
Start with the exact manufacturer part number rather than the marketing family name. Then compare the technical configuration, included licenses and accessories, product condition, warranty responsibility, lead time and destination-specific requirements. For replacements, validate interoperability with the installed software, optics, power and management platform.
YYST Global product pages provide model-level specifications and official manufacturer references where available. Procurement teams can use these pages to prepare a bill of materials and then request confirmation of quantity, serial-number availability, shipping and acceptance terms.
Condition: New Factory Sealed
<p><strong>N9K-C92300YC</strong> is a fixed Cisco Nexus 9200 platform switch with 48 SFP28 ports for 1/10/25 Gigabit Ethernet and 18 QSFP28 ports for 40/100 Gigabit Ethernet. Cisco lists this model as end of sale and end of support, so procurement should include an explicit condition, software and support review.</p>US$ 11,832.00
Condition: New Factory Sealed
<p><strong>C9300-48S-A</strong> is a stackable Cisco Catalyst 9300 switch with 48 one-gigabit SFP downlink ports and a Network Advantage license level. It is the fiber-access 48S model, not a 48-port RJ-45 copper switch and not a PoE model.</p>US$ 6,350.00
Condition: New Factory Sealed
<p><strong>N9K-C9372TX-E</strong> is a Cisco Nexus 9300 fixed data-center switch with 48 copper ports supporting 100M, 1GbE and 10GBASE-T, plus six 40GbE QSFP+ ports. The TX designation distinguishes this copper-access model from the SFP+-based N9K-C9372PX-E.</p>US$ 15,243.00
Condition: New Factory Sealed
<p><strong>A9K-750W-DC</strong> is Cisco's DC Power Entry Module for the ASR 9001 router. Cisco lists it for IOS XR Software Release 4.2.1 or later and documents ASR 9001 power-supply redundancy with a -40V to -72V DC input range.</p>US$ 650.00
Condition: New Factory Sealed
<p><strong>C8500-12X</strong> is a 1RU Cisco Catalyst 8500 Edge Platform with twelve 1/10GE SFP+ ports and third-generation Quantum Flow Processor architecture. Cisco specifies up to 51 Gbps SD-WAN IPsec throughput with 1400-byte traffic and up to 118 Gbps IPv4 forwarding in autonomous mode, subject to the documented test conditions and software configuration.</p>US$ 7,400.00
Condition: New Factory Sealed
<p><strong>ISR4351/K9</strong> is a 2RU Cisco 4000 Series Integrated Services Router with three onboard Gigabit Ethernet interfaces, three NIM slots, two SM-X slots and one ISC slot. Its 200 Mbps base aggregate throughput can be raised to 400 Mbps with the FL-4350-PERF-K9 performance license.</p>US$ 1,857.00
Condition: New Factory Sealed
<p><strong>C1111-8P</strong> is a Cisco ISR 1100 branch router with two Gigabit Ethernet WAN connections and eight integrated copper Gigabit Ethernet LAN ports. The base C1111-8P does not include embedded DSL, LTE or Wi-Fi; optional PoE hardware and the required higher-capacity power supply must be ordered and verified separately.</p>US$ 235.00
Condition: New Factory Sealed
<p><strong>WS-C4500X-24X-ES</strong> is a Cisco Catalyst 4500-X fixed aggregation switch with 24 1/10 Gigabit Ethernet SFP/SFP+ ports, Enterprise Services software entitlement, front-to-back cooling and no power supply in the base PID.</p>US$ 9,850.00
Condition: New Factory Sealed
<p><strong>C9600-LC-24C</strong> is a Cisco Catalyst 9600 Series fiber line card with 24 QSFP ports. Cisco describes it as a 24-port 40GE or 12-port 100GE line card; operating modes and maximum port counts depend on the installed supervisor.</p>US$ 16,800.00
Condition: New Factory Sealed
<p><strong>AIR-ANT3338</strong> is a legacy Cisco Aironet 2.4 GHz solid-dish directional antenna with 21 dBi gain and an RP-TNC connector. It is an antenna for point-to-point bridge links, not a Catalyst 9100 access point.</p>US$ 150.00
Condition: New Factory Sealed
<p><strong>C1-C4510R+E</strong> is the Cisco ONE ordering code for a Catalyst 4500E 10-slot chassis rated at 48 Gbps per slot. Cisco's exact description includes the fan assembly but no power supply; supervisors, line cards, power supplies and usable software entitlements must be confirmed separately.</p>US$ 4,300.00
Condition: New Factory Sealed
<p><strong>N9K-C93600CD-GX</strong> is a 1RU Cisco Nexus 9300-GX fixed data-center switch with 28 QSFP28 downlink ports and eight QSFP-DD uplink ports. It supports both Cisco NX-OS and ACI deployment roles subject to the selected software and fabric design.</p>US$ 22,606.00
Condition: New Factory Sealed
<p><strong>ISR4331-VSEC/K9</strong> is a Cisco ISR 4331 voice-and-security bundle. Cisco's official remanufactured-product listing describes this PID as an ISR 4331 bundle with UC and security licensing plus a PVDM4-32, distinguishing it from the base ISR4331/K9 chassis.</p>US$ 2,000.00
Condition: New Factory Sealed
<p><strong>ISR4431/K9</strong> is the Cisco ISR 4431 hardware platform with four onboard Gigabit Ethernet interfaces, three NIM slots and one ISC slot. Its forwarding tier depends on the installed Cisco performance entitlement.</p>US$ 9,600.00
Condition: New Factory Sealed
AIR-ANT58G28SDA-N is a Cisco Aironet 5.8 GHz, 28 dBi dish antenna with an N-male connector and field-configurable vertical or horizontal polarization. Cisco has declared this antenna end of sale.US$ 140.00
Condition: New Factory Sealed
C9500-4PTH-KIT= is Cisco's spare extension-rail and bracket kit for four-point mounting of Catalyst 9500 high-performance switches. It is an installation accessory and does not include a switch.US$ 85.00
Condition: New Factory Sealed
C1-CISCO4221/K9 is the Cisco ONE ISR 4221 configuration with two Gigabit Ethernet interfaces, two NIM slots, 8 GB flash, 4 GB DRAM and IP Base. Cisco lists ISR4221/K9 as its replacement product.US$ 830.00
Condition: New Factory Sealed
C9300L-24-E-A-3 is a Cisco Catalyst 9300L software upgrade entitlement for 24-port switch entitlement scope. It upgrades Network Essentials to Network Advantage and Cisco DNA Essentials to Cisco DNA Advantage. The ordered term is 3 years.US$ 230.00
Condition: New Factory Sealed
C9300L-48-E-A-3 is a Cisco Catalyst 9300L software upgrade entitlement for 48-port switch entitlement scope. It upgrades Network Essentials to Network Advantage and Cisco DNA Essentials to Cisco DNA Advantage. The ordered term is 3 years.US$ 380.00
Condition: New Factory Sealed
C9300L-48-E-A is a Cisco Catalyst 9300L software upgrade entitlement for 48-port switch entitlement scope. It upgrades Network Essentials to Network Advantage and Cisco DNA Essentials to Cisco DNA Advantage. The duration is not encoded in this SKU.US$ 380.00