Alternative to 81Y9992: Better-Value Equivalents in Stock
Comparing the 81Y9992 (81Y9992 - IBM ConnectX-2 2-Port 10GbE SFP+ PCI Express Adapter) against alternatives? Pro Disk Network stocks 12 similar IBM 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 81Y9992
| SKU | 81Y9992 |
|---|---|
| Product | 81Y9992 - IBM ConnectX-2 2-Port 10GbE SFP+ PCI Express Adapter |
| Current price | $480.21 |
| Stock status | In Stock |
| Detail page | View 81Y9992 › |
Alternatives to 81Y9992
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.
44R8728 - IBM Mellanox ConnectX Dual-Port PCI-Express 2.0 4X DDR InfiniBand Host Channel Adapter
SKU: 44R8728
Price: $73.68
81Y1531 - IBM ConnectX-2 VPI 10Gigabit Dual Port PCI Express 2.0 QSFP QDR InfiniBand Host Channel Adapter by Mellanox
SKU: 81Y1531
Price: $186.37
59Y1905 - IBM MelLANox ConnectX EN 10Gbps Dual Port PCI Express Ethernet Adapter
SKU: 59Y1905
Price: $211.00
59Y1906 - IBM ConnectX EN Dual Port 10 Gigabit Ethernet X8 PCI Express 2.0 Adapter by Mellanox
SKU: 59Y1906
Price: $211.00
44R8723 - IBM Mellanox ConnectX 20Gb/s Infiniband Dual 4X IB DDR-Port PCI Express 2.0 X8 Adapter
SKU: 44R8723
Price: $253.63
59Y1904 - IBM Mellanox ConnectX EN Dual Port 10 Gigabit Ethernet X8 PCI-Express 2.0 Adapter
SKU: 59Y1904
Price: $273.87
81Y1533 - IBM Mellanox ConnectX-2 VPI 10GBE Dual Port PCI-Express 2.0 QSFP QDR Infiniband Host Channel Adapter
SKU: 81Y1533
Price: $344.84
46M2201 - IBM Mellanox Connectx Dual-Port 4x Qdr Ib x8 PCI-E 2.0 HCA Network Adapter
SKU: 46M2201
Price: $358.93
01GR250 - IBM Mellanox ConnectX-4 LX EN PCI Express 3.0 25 Gigabit Network Adapter
SKU: 01GR250
Price: $576.25
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.