Alternative to 21140-AF: Better-Value Equivalents in Stock
Comparing the 21140-AF (21140-AF - DEC PCI Fast Ethernet Adapter) against alternatives? Pro Disk Network stocks 12 similar 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 21140-AF
| SKU | 21140-AF |
|---|---|
| Product | 21140-AF - DEC PCI Fast Ethernet Adapter |
| Current price | $344.33 |
| Stock status | In Stock |
| Detail page | View 21140-AF › |
Alternatives to 21140-AF
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.
FA310TX - Netgear Fast Ethernet PCI Network Adapter PCI 1 x RJ-45 10/100Base-TX
SKU: FA310TX
Price: $296.30
54-25192-01 - Digital Equipment (DEC) DEC 4MB/32BIT PCIP2 Graphics MODULE
SKU: 54-25192-01
Price: $550.04
NC552SFP - HP 10GB 2-Port Ethernet Server Adapter Network Adapter PCI-Express 2.0 X8 10 Gigabit Ethernet 2 Ports
SKU: NC552SFP
Price: $61.05
614202-B21 - HP Nc552SFP 10GB 2-Port Ethernet Server Adapter Network Adapter PCI-Express 2.0 X8 10 Gigabit Ethernet 2 Ports
SKU: 614202-B21
Price: $280.87
J9536-61101 - HP Expansion Module - Ethernet, Fast Ethernet, Gigabit Ethernet - 10base-t, 100base-tx, 1000base-t - 20 Ports + 2 X Sfp+
SKU: J9536-61101
Price: $194.74
25R8958 - IBM NetXtreme 1000 T Ethernet FAST Ethernet Gigabit 10/100/1000 Base-T Network Adapter
SKU: 25R8958
Price: $79.36
ST2000PEXPSE - StarTech OneConnect Dual-Port PCI Express Gigabit Ethernet PCI Express Network Card Adapter - POE/PSE - Network Adapter
SKU: ST2000PEXPSE
Price: $263.16
22P4710 - IBM Intel Pro/1000T Ethernet FAST Ethernet 10/100/1000 PCI Desktop Network Interface Card
SKU: 22P4710
Price: $109.13
22P6501 - IBM Intel PRO/1000T Ethernet FAST Ethernet 10/100/1000 PCI Desktop Network INTERFACE Card
SKU: 22P6501
Price: $182.37
22P6509 - IBM Intel PRO/1000T Ethernet FAST Ethernet 10/100/1000 PCI Desktop Network INTERFACE Card
SKU: 22P6509
Price: $194.99
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.