Replacement for WS-X6904-40G-2TXL: Drop-In Alternatives We Stock
Looking for a replacement for the WS-X6904-40G-2TXL (WS-X6904-40G-2TXL - Cisco Catalyst 6900 Series 4 x Ports 40 Gigabit Ethernet Module For Fiber Module)? 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 WS-X6904-40G-2TXL
| SKU | WS-X6904-40G-2TXL |
|---|---|
| Product | WS-X6904-40G-2TXL - Cisco Catalyst 6900 Series 4 x Ports 40 Gigabit Ethernet Module For Fiber Module |
| Stock status | In Stock |
| Detail page | View WS-X6904-40G-2TXL › |
Drop-in replacements for WS-X6904-40G-2TXL
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 Catalyst WS-X6904-40G-2T 6900 Series 4 x Ports 40 Gigabit Ethernet Module For Fiber Module Spare
SKU: WS-X6904-40G-2T
Price: $19,305.68
C3850-NM-2-40G - Cisco Catalyst 2 x Ports 40 Gigabit Ethernet Network Module
SKU: C3850-NM-2-40G
Price: $380.11
MA-CBL-40G-1M - Cisco 1M Compatible 40G QSFP+ Direct Attach Copper Cable
SKU: MA-CBL-40G-1M
Price: $168.45
C9400-LC-24XS - Cisco Catalyst 3850 Series 24 x Ports SFP+ 10GBase-T Layer 3 Managed 1U Rack-Mountable Gigabit Ethernet Line card Module
SKU: C9400-LC-24XS
Price: $7,661.50
C9400-LC-24S - Cisco Catalyst 3850 Series 24 x Ports SFP+ 10GBase-T Layer 3 Managed 1U Rack-Mountable Gigabit Ethernet Line card Module
SKU: C9400-LC-24S
Price: $8,893.08
C9500-24X-A - Cisco Catalyst C9500-24X 24 x Ports QSP 40GBase-X Layer 3 Managed Gigabit Ethernet Switch
SKU: C9500-24X-A
Price: $3,461.00
C9500-24Y4C-A - Cisco Catalyst C9500-24Y4C 24 x Ports QSP 40GBase-X Layer 3 Managed Gigabit Ethernet Switch
SKU: C9500-24Y4C-A
Price: $4,753.00
C9500-40X-A - Cisco Catalyst 9500-40X SFP+ 40 x Ports 40GBase-X Layer 3 Managed Gigabit Ethernet Network Switch
SKU: C9500-40X-A
Price: $4,962.57
C9500-12Q-A - Cisco Catalyst C9500-12Q 12 x Ports QSP 40GBase-X Layer 3 Managed Gigabit Ethernet Switch
SKU: C9500-12Q-A
Price: $14,967.00
C9500-12Q-E - Cisco Catalyst C9500-12Q 12 x Ports QSP 40GBase-X Layer 3 Managed Gigabit Ethernet Switch
SKU: C9500-12Q-E
Price: $15,000.00
ASR1000-SIP40 - Cisco ASR 1000 Series SPA Interface Processor 40G Expansion Module
SKU: ASR1000-SIP40
Price: $7,028.32
WS-P4603-2PSU - Cisco Catalyst 4000 Auxiliary Power Shelf For Catalyst 4006 Switch
SKU: WS-P4603-2PSU
Price: $619.67
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.