Alternative to CX4121C: Better-Value Equivalents in Stock
Comparing the CX4121C (Dell CX4121C Mellanox ConnectX-4 Lx 2 x Ports 25GbE Direct Attach SFP+ Network Adapter Card. In Stock) against alternatives? Pro Disk Network stocks 12 similar Dell parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the CX4121C
| SKU | CX4121C |
|---|---|
| Product | Dell CX4121C Mellanox ConnectX-4 Lx 2 x Ports 25GbE Direct Attach SFP+ Network Adapter Card. In Stock |
| Stock status | In Stock |
| Detail page | View CX4121C › |
Alternatives to CX4121C
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.
Dell Dell YHMMM Dell 0YHMMM / YHMMM Mellanox Connectx-3 2 x Ports 40GbE QSFP+ PCI-Express High Profile Network Adapter Card
SKU: DELL YHMMM
Price: $223.68
Dell Dell HWTYK Dell 0HWTYK / HWTYK Mellanox ConnectX-4 2-Ports 100Gb/s QSFP28 PCI Express 3.0 x16 Plug-in Card Network Adapter
SKU: DELL HWTYK
Price: $434.21
Dell F6FXM Dell 0F6FXM / F6FXM Mellanox ConnectX-6 DX 2 x Ports 100GbE QFSFP56 PCI Express Low Profile Network Adapter Card
SKU: F6FXM
Price: $907.37
Mellanox AB262415 ConnectX-6 Dell Dx MCX623106AN-CDAT 2-Ports 100Gb/s QSFP56 PCI Express 4.0 x16 Plug-in Card Network Adapter
SKU: AB262415
Price: $1,784.21
Dell Dell VHNMC Dell 0VHNMC / VHNMC X710 2 x Ports 10GbE Direct Attach SFP+ PCI Express Low Profile Network Interface Card
SKU: DELL VHNMC
Price: $203.95
540-BBHP - Dell Intel X710 Dual Port 10 GbE Direct Attach SFP+ Low Profile Converged Network Adapter
SKU: 540-BBHP
Price: $163.16
540-BBIX - Dell Intel X710 Dual Port 10 GbE Direct Attach SFP+ Low Profile Converged Network Adapter
SKU: 540-BBIX
Price: $163.16
60WX8 - Dell Intel X710 Quad Port 10Gb Direct Attach, SFP+ Converged Network Adapter
SKU: 60WX8
Price: $278.95
540-BBIW - Dell Intel X710 Quad Port 10Gb Direct Attach, SFP+ Converged Network Adapter
SKU: 540-BBIW
Price: $415.79
060WX8 - Dell Intel X710 Quad Port 10Gb Direct Attach, SFP+ Converged Network Adapter
SKU: 060WX8
Price: $952.71
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.