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SG500X-24P-K9
Cisco SG500X-24P-K9 500X 24-Port Gigabit PoE+ Switch, 4x10G...
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SG500X-24P-K9 pairs 24 Gigabit PoE+ access ports with four fixed 10G SFP+ interfaces in a managed, 1U rack-mount chassis. This 500X configuration belongs to Cisco's 500 Series Stackable Managed Switches and connects small-business phones, wireless access points, cameras, and wired clients. Layer 2+ operation includes IP routing between local subnets, alongside VLAN-based traffic separation. SG500X-24-K9 is the corresponding non-PoE sibling for devices that receive power separately. RADIUS and TACACS+ support administrator authentication, while protected ports isolate attached devices within a VLAN. DHCP snooping and Dynamic ARP Inspection filter untrusted address information at the network edge.
SG500X-24P-K9 price for new stock is $1,573.95. SG500X-24P-K9 refurb price is $519.75. SG500X-24P-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SG500X-24P-K9 for additional pricing. Browse the full Cisco 500 Series Stackable Managed Switches series or explore all Cisco products.
128 Gbps switching capacity supports wire-speed switching across the installed interfaces. 95.24 Mpps forwarding handles minimum-size packets without substituting switching bandwidth for packet-processing performance. 375W of shared PoE power must be allocated across powered endpoints; the per-port ceiling is 30W, not a guarantee of that draw on every connection simultaneously. Static IPv4 and IPv6 routing, RIP v2, and VRRP cover local routing and gateway redundancy. SG500X-24P-K9 carries 256 MB of DRAM and 32 MB of flash, with a 12 Mb dynamically shared packet buffer for temporary traffic bursts. The forwarding database holds 16384 MAC addresses, and IPv4 static routing supports 2048 entries. Browser configuration over HTTP/HTTPS, Textview CLI through the console or SSH/Telnet, and SNMP provide configuration and monitoring paths. Three speed-controlled fans provide active cooling. 456W maximum consumption at 110V sets the input-power allowance for circuit and UPS sizing with PoE included.
Order SG500X-24P-K9 new sealed or certified refurbished, and specify the condition, accessory PIDs, and required quantity on the PO. Certified refurbished units are inspected and bench-tested, including power-on and POST, every port linking at rated speed, clean boot, and PoE output under load on every powered port; firmware is verified and the configuration is wiped to factory default. ORM warranties are up to 3-year extended for new and up to 1 year for certified refurbished, with 30-day returns on every condition, terms apply; Cisco's former Limited Lifetime coverage ended April 30, 2023. Enterprise and volume orders accept POs, include Net-30 for government, and offer RMA with advance replacement across UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24 x 1G PoE+ / 4 x 10G SFP+ |
PoE Budget | 375W shared |
Stacking | True hardware stacking / 8 members |
Max Power Draw | 456W |
Cooling | 3 speed-controlled fans |
Lifecycle Status | Cisco support ended April 30, 2023 |
When extending an existing 500X stack, the inter-switch connection uses stacking-capable interfaces rather than an additional uplink card. SFP-H10GB-CU1M provides a 1 m copper connection at 10G between 500X members. Specify ring or chain topology, compatible stack members, interface assignments, and cable length before the PO.
Before replacing an installed unit, a lab-and-staging order can use the switch's dual-image firmware arrangement to retain separate boot images while configuration changes are evaluated. Editable text configurations and SCP transfer support repeatable preparation. Specify the required firmware image, saved configuration, and bench acceptance checks before the PO.
A branch rollout that separates voice and data can use Auto Smartports and LLDP-MED to identify connected devices and apply voice settings. Eight hardware queues support traffic prioritization, while time-based port operation can follow defined schedules. Specify the voice policy, endpoint roles, and operating schedule before the PO.
An active Cisco support lifecycle
SG500X-24P-K9 passed Cisco's last support date on April 30, 2023. C1300-24P-4X is an inferred migration candidate through the series replacement chain, not an assumed drop-in stack replacement.
Simultaneous maximum power on every port
SG500X-24P-K9 shares 375W across its powered ports. That budget cannot supply the 30W per-port maximum simultaneously on all 24 access connections.
Fanless operation in occupied spaces
SG500X-24P-K9 uses three speed-controlled fans, with 40.1 dB noise at 30°C and 52.2 dB at 40°C; cooling is active rather than fanless.
Mon–Fri: [09:00-16:00]
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| SG500X-24P-K9 |  SF500-24 |  SG500X-24-K9-G5 |  SG500X-24MPP-K9-NA |  SF500-48 | |
|---|---|---|---|---|---|
| Depth | 350 mm | 11 inches | 257 mm | 350 mm | 12.6 inches |
| Ethernet Technology | Gigabit Ethernet | 10/100/1000 | Gigabit Ethernet | Gigabit Ethernet | 10/100/1000 |
| Flash Memory | 32 MB | 64 MB | 32 MB | 32 MB | 64 MB |
| Form Factor | Rack-Mount 1U | Rack-mount | Rack-Mount 1U | Rack-Mount 1U | Rack-mount |
| Height | 44 mm | 1.75 inches | 44 mm | 44 mm | 1.73 inches |
| Manufacturer Part Number | SG500X-24P-K9 | SF500-24 | SG500X-24-K9-G5 | SG500X-24MPP-K9-NA | SF500-48 |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Switching Capacity | 128 Gbps | 56 Gbps | 128 Gbps | 128 Gbps | 96 Gbps |
| Weight | 5.25 kg. | 9 lbs | 3.45 kg | 4.61 kg | 16 lbs |
| Width | 440 mm | 17 inches | 440 mm | 440 mm | 17.3 inches |
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Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
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SG500X-24P-K9 is a 24-port Gigabit PoE+ managed switch with four 10G SFP+ interfaces. SG500X identifies the Gigabit configuration with 10G connectivity, 24 specifies the access-port count, and P identifies PoE+. Use the complete SG500X-24P-K9 identifier on the PO.
SG500X-24P-K9 supports browser management through HTTP/HTTPS, Textview CLI through console, SSH or Telnet, and SNMP v1/v2c/v3. The web interface includes configuration wizards and monitoring. Historical OnPlus integration is discontinued: the OnPlus portal's last operating date was August 5, 2014, so deployment planning should use the local management paths.
Yes, SG500X-24P-K9 belongs to the retired Cisco Small Business 500 Series, with end of sale on April 12, 2018, and end of support on April 30, 2023. Cisco service has ended. Remaining hardware can be considered for installed-base matching, but not for a requirement that depends on continuing Cisco support.
ORM Systems offers SG500X-24P-K9 new sealed or certified refurbished, with up to 3-year extended warranty on new units and up to 1 year on refurbished units. Returns are 30 days on every condition; terms apply. Cisco's original Limited Lifetime warranty is no longer active because Cisco service ended April 30, 2023.
SG500X-24P-K9 provides a shared 375W PoE budget across 24 powered Gigabit access ports, with a maximum of 30W on an individual port. Endpoint demand must fit within the shared budget. The per-port maximum does not mean every connected device can draw that amount simultaneously.
The 500X 24-port PoE+ switch has four fixed 10G SFP+ interfaces, including two that can serve stacking connections. No removable uplink card is required. SFP-10G-SR supports multimode fiber and SFP-10G-LR supports single-mode fiber; choose the appropriate optic or supported direct-attach cable for each connection.
A 500X hardware stack contains eight members with ring or chain connections. SFP-H10GB-CU1M, SFP-H10GB-CU3M, and SFP-H10GB-CU5M provide 1 m, 3 m, and 5 m copper options between 500X members. Mixed 500 and 500X connections use their lower supported interconnect speed, so member selection affects the cabling plan.
Yes, SG500X-24P-K9 supports routing between configured VLAN interfaces, with static IPv4 and IPv6 routing plus RIP v2 for IPv4 dynamic routing. IPv4 static routing supports 2048 entries and 256 IP interfaces. VRRP provides gateway redundancy, so the routing design must account for both interface requirements and route scale.
Yes, the 500X 24-port PoE+ switch is a full-width rack-mount unit measuring 440 mm wide, 44 mm high, and 350 mm deep, with a weight of 5.25 kg. A mounting kit belongs to the original package. Confirm mounting hardware and usable cabinet depth when specifying the order.
SG500X-24P-K9 provides PoE+ on its 24 access ports; SG500X-24-K9 does not supply endpoint power. The non-PoE model suits devices powered locally, while the PoE+ model suits powered Ethernet endpoints. Both belong to the discontinued 500X family, so neither represents a current-generation migration.
SG500X-48P-K9 carries 48 Gigabit PoE+ access ports versus 24 on SG500X-24P-K9. Both models are discontinued. The larger sibling suits buyers matching an existing higher-density installation, while the 24-port model suits like-for-like replacement where fewer access connections are required. Confirm the installed configuration before substituting one for the other.
C1300-24P-4X is a current-generation migration candidate; SG500X-24P-K9 is beyond Cisco support. This recommendation is inferred from the 500-to-550X, 550X-to-CBS350, and CBS350-to-Catalyst 1300 sequence, not a direct drop-in compatibility claim. The older switch suits installed-base matching; the newer model suits replacement planning.
SG500X-24P-K9 uses an internal universal AC power supply accepting 100-240V AC at 47-63 Hz. Maximum consumption including PoE is 456W at 110V, while the corresponding 220V figure is 438W. Specify a suitable regional power cord and size upstream electrical capacity for the intended input voltage.
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