Replacement for CM4.3-U-K9-7845: Drop-In Alternatives We Stock
Looking for a replacement for the CM4.3-U-K9-7845 (Cisco CM4.3-U-K9-7845 Unified CallManager v.4.3 Version Upgrade License 5000 IP Phone, 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-U-K9-7845
| SKU | CM4.3-U-K9-7845 |
|---|---|
| Product | Cisco CM4.3-U-K9-7845 Unified CallManager v.4.3 Version Upgrade License 5000 IP Phone, 1 Server |
| Stock status | In Stock |
| Detail page | View CM4.3-U-K9-7845 › |
Drop-in replacements for CM4.3-U-K9-7845
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.
HDD-7845-H2-72 - Cisco 72GB 10000RPM SAS 3Gb/s 2.5-inch Hard Drive for MCS-7845-H2 Server
SKU: HDD-7845-H2-72
Price: $94.07
MEM-7845-I3-2GB - Cisco 2GB DDR3-1333MHz PC3-10600 ECC Registered CL9 240-Pin DIMM Dual Rank Memory Module for MCS 7845-I3
SKU: MEM-7845-I3-2GB
Price: $124.49
HDD-7845-H1-72 - Cisco 73GB 15000RPM Ultra-320 SCSI 80-Pin Hot-Swappable 3.5-inch Hard Drive for MCS-7845-H1
SKU: HDD-7845-H1-72
Price: $235.79
HDD-7845-I2-72 - Cisco 72GB 10000RPM SAS 6Gb/s 3.5-inch Hard Drive for MCS-7845-I2 Server
SKU: HDD-7845-I2-72
Price: $415.91
HDD-7845-H1-144 - Cisco 144GB Ultra-320 SCSI 3.5-inch Hard Drive for MCS-7845-H1
SKU: HDD-7845-H1-144
Price: $555.54
Cisco HDD-7845-I3-146 146GB 10000RPM 6Gb/s SFF Hot swappable 2.5-inch Hard Drive for MCS-7845-I3
SKU: HDD-7845-I3-146
Price: $654.89
MCS-7845-H2-ECS2 - Cisco MCS 7845-H2 Media Convergence Server 2 x Xeon 2.33GHz 2GB DDR2 SDRAM 4 x 72GB
SKU: MCS-7845-H2-ECS2
Price: $5,895.57
MCS-7845-H2-CCE1 - Cisco MCS 7845-H2 Media Convergence Server 2 x Xeon 2.33GHz 2GB DDR2 SDRAM 4 x 72GB
SKU: MCS-7845-H2-CCE1
Price: $5,895.57
MCS-7845-H1ECS1 - HP / Cisco MCS 7845 2x3.4GHz 4GB RAM 4x72GB Hard Disk Server
SKU: MCS-7845-H1ECS1
Price: $9,232.72
MCS-7845 - HP / Cisco MCS 7845 Series 3.4GHz CPU 4GB RAM 144GB (4x72GB) Server System
SKU: MCS-7845
Price: $9,232.72
N55-M160L3 - Cisco Nexus 5000 160 Gbps Layer 3 Version 2 Expansion Module
SKU: N55-M160L3
Price: $2,510.71
N55-M160L3-V2 - Cisco Nexus 5000 160 Gbps Layer 3 Version 2 Expansion Module
SKU: N55-M160L3-V2
Price: $2,908.61
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.