Replacement for CM4.3-K9-SUP: Drop-In Alternatives We Stock
Looking for a replacement for the CM4.3-K9-SUP (Cisco CM4.3-K9-SUP Unified CallManager v.4.3 Upgrade License 1 Server)? Pro Disk Network ships Cisco drop-in replacements and equivalent modern parts from US inventory. Every alternate below is in-stock today with same-day shipping for orders placed before 2pm ET. If your unit is still under warranty, contact our engineering team — we offer cross-shipping for B2B customers on Net 30 terms.
About the CM4.3-K9-SUP
| SKU | CM4.3-K9-SUP |
|---|---|
| Product | Cisco CM4.3-K9-SUP Unified CallManager v.4.3 Upgrade License 1 Server |
| Stock status | In Stock |
| Detail page | View CM4.3-K9-SUP › |
Drop-in replacements for CM4.3-K9-SUP
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
Cisco MEMC6KCPTFL512M 512MB CompactFlash (CF) Memory Card for Catalyst 6500 SUP 720 SUP 32
SKU: MEMC6KCPTFL512M
Price: $116.33
Cisco MEM-SUP-CPTFL512M 512MB Compact Flash Memory for C7600 SUP720
SKU: MEM-SUP-CPTFL512M
Price: $116.33
How we pick replacements
Every recommendation above was selected using these criteria:
- Drop-in compatibility — same form factor (2.5"/3.5", PCIe slot, SFP port, etc.), so it fits the original chassis without modification
- Equivalent or better performance — matched on RPM/IOPS/speed/throughput, never downgraded
- Same-brand-preferred — we list the OEM-equivalent first when available, then trusted aftermarket
- Warranty coverage — 90-day Pro Disk warranty on every part, with 1-year option for B2B
- In stock today — never recommend a part that is on backorder
Need help confirming compatibility?
Our engineers validate every replacement against your specific server, switch, or chassis model before shipment. Email sales@prodisknetwork.com with your platform model (e.g., Dell PowerEdge R740, HP DL380 Gen10, Cisco Catalyst 9300) and we will confirm the exact part number that drops into your hardware.