Replacement for PA-4T: Drop-In Alternatives We Stock
Looking for a replacement for the PA-4T (Cisco PA-4T+ 4-Port Enhanced Serial Adapter)? 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 PA-4T
| SKU | PA-4T |
|---|---|
| Product | Cisco PA-4T+ 4-Port Enhanced Serial Adapter |
| Current price | $146.97 |
| Stock status | In Stock |
| Detail page | View PA-4T › |
Drop-in replacements for PA-4T
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 HWIC-4T/E1 4-Port Serial High-Speed 4 x Synchronous /Asynchronous Serial WAN Interface Card
SKU: HWIC-4T-E1
Price: $326.14
74-7105-01 - Cisco EHWIC-4ESG 4-Port Gigabit Ethernet Enhanced High-Speed WAN Interface Card
SKU: 74-7105-01
Price: $128.95
EHWIC-4ESG - Cisco 4 Port 10/100/1000 Enhanced High-Speed WAN Interface Card
SKU: EHWIC-4ESG
Price: $226.72
EHWIC-D-8ESG - Cisco 8 Port 10/100/1000 Enhanced High-Speed WAN Interface Card
SKU: EHWIC-D-8ESG
Price: $338.22
Cisco 12000/10-DC-PEM 2800-Watts 10-Port Enhanced DC Power Entry Module
SKU: 12000-10-DC-PEM
Price: $421.05
Cisco 8-port Asynchronous/Synchronous Serial GRWIC for the Cisco 2010 Connected Grid Router
SKU: GRWIC-8A-S-232
Price: $1,540.00
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.