Alternative to 81Y1533: Better-Value Equivalents in Stock
Comparing the 81Y1533 (81Y1533 - IBM Mellanox ConnectX-2 VPI 10GBE Dual Port PCI-Express 2.0 QSFP QDR Infiniband Host Channel 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 81Y1533
| SKU | 81Y1533 |
|---|---|
| Product | 81Y1533 - IBM Mellanox ConnectX-2 VPI 10GBE Dual Port PCI-Express 2.0 QSFP QDR Infiniband Host Channel Adapter |
| Current price | $344.84 |
| Stock status | In Stock |
| Detail page | View 81Y1533 › |
Alternatives to 81Y1533
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.
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
95Y3457 - IBM ConnectX-3 VPI Dual Port QSFP QDR/FDR10/10Gigabit HCA by Mellanox
SKU: 95Y3457
Price: $160.00
00D9552 - IBM ConnectX-3 VPI Dual Port QSFP, FDR IB (56Gb/s) and 40GbE, PCIe 3.0 by Mellanox
SKU: 00D9552
Price: $369.84
00W0037 - IBM ConnectX-3 VPI Single Port QSFP, FDR IB (56Gb/s) and 40GbE, PCIe 3.0 by Mellanox
SKU: 00W0037
Price: $447.01
74Y9058 - IBM ConnectX-2 VPI 40GB S IB QSFP And 10GBE SFP+ PCI Express 2.0 Network Adapter
SKU: 74Y9058
Price: $981.38
44R8728 - IBM Mellanox ConnectX Dual-Port PCI-Express 2.0 4X DDR InfiniBand Host Channel Adapter
SKU: 44R8728
Price: $73.68
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
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.