Alternative to GLC-LH-SM-20: Better-Value Equivalents in Stock
Comparing the GLC-LH-SM-20 (GLC-LH-SM-20 - Cisco 1Gbps 1000Base-LX/LH Single-Mode Fiber 20km 1310nm Duplex LC Connector SFP Transceiver Module) against alternatives? Pro Disk Network stocks 12 similar Cisco 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 GLC-LH-SM-20
| SKU | GLC-LH-SM-20 |
|---|---|
| Product | GLC-LH-SM-20 - Cisco 1Gbps 1000Base-LX/LH Single-Mode Fiber 20km 1310nm Duplex LC Connector SFP Transceiver Module |
| Current price | $105.71 |
| Stock status | In Stock |
| Detail page | View GLC-LH-SM-20 › |
Alternatives to GLC-LH-SM-20
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.
GLC-BX-U-20KM - Cisco 1Gbps 1000Base-BXU Single-mode Fiber 1310nm TX/1490nm RX 20km SFP Transceiver Module
SKU: GLC-BX-U-20KM
Price: $114.36
X2-10GB-LR-20KM - Cisco 10Gbps 10GBase-LR Single-Mode Fiber 20km 1310nm Duplex SC Connector X2 Transceiver Module
SKU: X2-10GB-LR-20KM
Price: $306.68
GLC-BX-U20 - Cisco 1Gbps 1000Base-BX-U Bi-Directional 20km Single-mode Fiber 1310nm/1490nm SFP Transceiver
SKU: GLC-BX-U20
Price: $78.00
GLC-BX-D20 - Cisco 1Gbps 1000Base-BX-D Bi-Directional 20km Single-mode Fiber 1490nm/1310nm SFP Transceiver
SKU: GLC-BX-D20
Price: $414.86
MFEBX1 - Cisco 100Mb/s 100Base-BX-U Single-Mode Fiber 20km 1310nm LC Connector SFP (mini-GBIC) Transceiver Module
SKU: MFEBX1
Price: $212.87
SFP-GPON-B-I - Cisco 20km 1310nm 1310nmRx/1490nmTx Duplex LC Single-Mode SFP (mini-GBIC) Transceiver Module
SKU: SFP-GPON-B-I
Price: $2,582.43
XFP-10G-BX-D-20KM - Cisco 10GBase-BX-D 1330TX / 1270RX 20km XFP Transceiver Module
SKU: XFP-10G-BX-D-20KM
Price: $594.37
XFP-10G-BX-U-20KM - Cisco 10GBase-BX-U 1270TX / 1330RX 20km XFP Transceiver Module
SKU: XFP-10G-BX-U-20KM
Price: $594.37
SFP-10G-BXD-20KM - Cisco 10GBase-BX-D 1330TX / 1270RX 20km SFP+ Transceiver Module
SKU: SFP-10G-BXD-20KM
Price: $926.57
SFP-10G-BXU-20KM - Cisco 10GBase-BX-U 1270TX / 1330RX 20km SFP+ Transceiver Module
SKU: SFP-10G-BXU-20KM
Price: $926.57
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.