Alternative to J4858CST: Better-Value Equivalents in Stock
Comparing the J4858CST (J4858CST - StarTech 1Gbps 1000Base-SX Multi-Mode Fibre 550m 850nm Duplex LC Connector SFP (Mini-GBIC) 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 J4858CST
| SKU | J4858CST |
|---|---|
| Product | J4858CST - StarTech 1Gbps 1000Base-SX Multi-Mode Fibre 550m 850nm Duplex LC Connector SFP (Mini-GBIC) Transceiver Module |
| Current price | $134.74 |
| Stock status | In Stock |
| Detail page | View J4858CST › |
Alternatives to J4858CST
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.
SFPSXMM-B2 - StarTech 1Gbps Multi-mode Fiber 550m 850nm Duplex LC Connector SFP Fiber Optical Transceiver Module
SKU: SFPSXMM-B2
Price: $146.04
SFPSXMM-A1 - StarTech 1.25Gbps 1000Base-SX Multi-Mode Fibre 550m 850nm LC Connector SFP Transceiver Module
SKU: SFPSXMM-A1
Price: $171.33
J4858C-CDW - AddOn HP ProCurve 1Gbps 1000Base-SX Multi-Mode Fibre 550m 850nm Duplex LC Connector SFP (Mini-GBIC) Transceiver Module
SKU: J4858C-CDW
Price: $75.47
57-10000013-01 - Brocade 4Gb/s Fibre Channel Multi-Mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module
SKU: 57-10000013-01
Price: $78.00
J4858CC - HP ProCurve X121 1Gbps 1000Base-SX Multi-Mode Fibre 550m 850nm Duplex LC Connector SFP (Mini-GBIC) Transceiver Module
SKU: J4858CC
Price: $78.00
AJ715ANS - HP B-Series 4Gbps Multi-mode Fiber Short Wave Fibre Channel 550m 850nm Duplex LC Connector SFP Transceiver Module
SKU: AJ715ANS
Price: $78.00
AJ715AX - HP B-Series 4Gbps Multi-mode Fiber Short Wave Fibre Channel 550m 850nm Duplex LC Connector SFP Transceiver Module
SKU: AJ715AX
Price: $78.00
AJ715AB - HP B-Series 4Gbps Multi-mode Fiber Short Wave Fibre Channel 550m 850nm Duplex LC Connector SFP Transceiver Module
SKU: AJ715AB
Price: $83.79
FTLF8524E2GNV - Finisar Corporation 4Gb/s 850nm 550m Multi-Mode Fibre Channel Duplex LC Connector SFF Transceiver Module
SKU: FTLF8524E2GNV
Price: $104.62
J4858C-CP - CP 1Gbps 1000Base-SX Multi-Mode Fibre 550m 850nm Duplex LC Connector SFP (Mini-GBIC) Transceiver Module
SKU: J4858C-CP
Price: $116.64
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.