Alternative to 3CSFP91: Better-Value Equivalents in Stock
Comparing the 3CSFP91 (3CSFP91 - 3Com 11Gb/s 1000Base-SX 550m 850nm SFP Transceiver Module) 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 3CSFP91
| SKU | 3CSFP91 |
|---|---|
| Product | 3CSFP91 - 3Com 11Gb/s 1000Base-SX 550m 850nm SFP Transceiver Module |
| Current price | $118.62 |
| Stock status | In Stock |
| Detail page | View 3CSFP91 › |
Alternatives to 3CSFP91
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.
RX-550M-SFP - Juniper 1Gbps 1000Base-SX SFP 850nm 550m Transceiver Module
SKU: RX-550M-SFP
Price: $80.54
SFP-GE-SX-MM850-A - HP 1Gb/s 1000Base-SX 850nm 550m SFP Transceiver Module
SKU: SFP-GE-SX-MM850-A
Price: $61.84
SFP-DGD-SX - Gigatech MRV 2Gbps 1000Base-SX Multi-Mode Fibre 550m 850nm LC Connector SFP Transceiver Module
SKU: SFP-DGD-SX
Price: $76.09
CTP-SFP-1GE-SX - Juniper 1Gbps 1000Base-SX Multi-Mode Fiber 550m 850nm LC Duplex Connector SFP Transceiver Module
SKU: CTP-SFP-1GE-SX
Price: $77.24
J4858AAD - HP ProCurve X121 1.25Gb/s 1000Base-SX SFP 850nm 550m Multimode DOM Duplex LC SFP Transceiver Module
SKU: J4858AAD
Price: $78.00
SFP-GE-SX - Juniper 1Gb/s 1000Base-SX Multi-mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver module
SKU: SFP-GE-SX
Price: $78.00
J4858BU - HP ProCurve X121 1.25Gb/s 1000Base-SX SFP 850nm 550m Multimode DOM Duplex LC SFP Transceiver Module
SKU: J4858BU
Price: $80.54
TN-SFP-SXD - Transition 1Gbps 1000Base-SX 850nm 550m SFP Transceiver Module
SKU: TN-SFP-SXD
Price: $80.54
SFP-SX-ACC - Accortec 1Gb/s 1000Base-SX Multi-Mode Fiber 550m 850nm Duplex LC Connector SFP (mini-GBIC) Transceiver Module
SKU: SFP-SX-ACC
Price: $101.61
SFP-GE-SX-ACC - Accortec 1Gb/s 1000Base-SX Multi-Mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module
SKU: SFP-GE-SX-ACC
Price: $101.61
SFP-1GE-SX-CP - CP 1Gbps 1000Base-SX Multi-mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module
SKU: SFP-1GE-SX-CP
Price: $110.80
15454-SFP-GEFC-SX - Cisco Multi-mode 2Gbps 2GBase-SW Fibre Channel Fiber 550m 850nm LC Connector SFP Transceiver Module
SKU: 15454-SFP-GEFC-SX
Price: $113.36
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.