Alternative to 3K021: Better-Value Equivalents in Stock
Comparing the 3K021 (Dell 3K021 Dell 03K021 / 3K021 1 x Port 10/100Base-T PCI Express Ethernet 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 3K021
| SKU | 3K021 |
|---|---|
| Product | Dell 3K021 Dell 03K021 / 3K021 1 x Port 10/100Base-T PCI Express Ethernet Adapter Card. In Stock |
| Stock status | In Stock |
| Detail page | View 3K021 › |
Alternatives to 3K021
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.
541-10074 - Dell Broadcom Netxtreme II 5709 Dual Port PCI-Express x4 Gigabit Ethernet Network Adapter
SKU: 541-10074
Price: $47.37
P9WFM - Dell Mellanox ConnectX Single Port PCI-Express 100 Gigabit Server SFP Ethernet Adapter Network Interface Card
SKU: P9WFM
Price: $47.37
403-BBJF - -Dell Mellanox ConnectX Single Port PCI-Express 100 Gigabit Server SFP Ethernet Adapter Network Interface Card
SKU: 403-BBJF
Price: $65.26
RT8N1 - Dell Mellanox ConnectX Single Port PCI-Express 100 Gigabit Server SFP Ethernet Adapter Network Interface Card
SKU: RT8N1
Price: $75.79
540-BBCT - Dell Dual-Port X520 DA 10GB Server Adapter Ethernet PCI Express Network Interface Card
SKU: 540-BBCT
Price: $89.47
6W1YC - Dell Intel X710 Dual-Port 10 Gigabit Server Adapter Ethernet PCI Express Network Interface Card
SKU: 6W1YC
Price: $163.16
FKHKC - Dell 10Gb/s Dual Port Ethernet PCI-Express Converged Network Adapter
SKU: FKHKC
Price: $184.21
6W1HY - Dell Mellanox ConnectX Single Port PCI-Express 100 Gigabit Server SFP Ethernet Adapter Network Interface Card
SKU: 6W1HY
Price: $191.58
NC5VD - Dell MT69G Dual Port Broadcom 57416 10GB Base-T Server Adapter Ethernet PCI-Express Network Interface Card Low Profile
SKU: NC5VD
Price: $250.53
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.