Alternative to 127509-B21: Better-Value Equivalents in Stock
Comparing the 127509-B21 (127509-B21 - Compaq 1Gbps 1000Base-FX Long Wave Fibre Channel Single-mode Fiber 2km 1310nm LC Connector Optical 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 127509-B21
| SKU | 127509-B21 |
|---|---|
| Product | 127509-B21 - Compaq 1Gbps 1000Base-FX Long Wave Fibre Channel Single-mode Fiber 2km 1310nm LC Connector Optical SFP Transceiver Module |
| Current price | $126.26 |
| Stock status | In Stock |
| Detail page | View 127509-B21 › |
Alternatives to 127509-B21
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.
127509-B21-ACC - Accortec 1Gbps Fibre Channel 1000Base-FX Single-mode Fiber Longwave 2km 1310nm LC Connector SFP Transceiver Module
SKU: 127509-B21-ACC
Price: $129.32
371-1621 - Sun 4Gb/s Single-Mode Fiber Long wave 4km 1310nm Fiber Channel Duplex LC Connector SFP+ Transceiver
SKU: 371-1621
Price: $191.04
XBR-000198 - Brocade 16Gb/s Single-Mode Fiber Long wave 10km 1310nm Fiber Channel Duplex LC Connector SFP+ Transceiver for DCX 8510/ 6510/ 6505 Series S
SKU: XBR-000198
Price: $265.26
FTLF1324P2BTL - Finisar 4.25Gb/s 1000Base-X Single-Mode Fiber Long Wave Fibre Channel 4km 1310nm Duplex LC Connector SFP (mini-GBIC) Transceiver Module
SKU: FTLF1324P2BTL
Price: $65.26
HTR6932R20-E - Hitachi 8Gbps Long Wave Fibre Channel Single-mode Fiber 10km 1300nm SFP Transceiver Module
SKU: HTR6932R20-E
Price: $99.99
45W1193 - IBM 8Gb/s Long Wave Fibre Channel Single-mode Fiber SFP Transceiver
SKU: 45W1193
Price: $135.92
469972-001 - HP B-Series AK870A 4Gbps Single-mode Fiber Long Wave Fibre Channel 10km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: 469972-001
Price: $170.53
XBR-000238 - Brocade 32Gbps Long-Wave Fibre Channel Single-mode Fiber 10km 1310nm Duplex LC Connector SFP+ Transceiver Module
SKU: XBR-000238
Price: $292.63
57-1000332-01 - Brocade 32Gbps Long-Wave Fibre Channel Single-mode Fiber 10km 1310nm Duplex LC Connector SFP+ Transceiver Module
SKU: 57-1000332-01
Price: $292.63
QK725-63001 - HP B-Series 16Gbps Single-mode Fiber Long Wave Fibre Channel 10km 1310nm Duplex LC Connector SFP+ Transceiver Module
SKU: QK725-63001
Price: $1,097.55
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.