Alternative to DEM331T: Better-Value Equivalents in Stock
Comparing the DEM331T (DEM331T - D-Link 1Gbps 1000Base-BX-D Single-mode Fibre 40km TX1550nm/ RX1310nm LC Connector 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 DEM331T
| SKU | DEM331T |
|---|---|
| Product | DEM331T - D-Link 1Gbps 1000Base-BX-D Single-mode Fibre 40km TX1550nm/ RX1310nm LC Connector SFP Transceiver Module |
| Current price | $226.08 |
| Stock status | In Stock |
| Detail page | View DEM331T › |
Alternatives to DEM331T
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.
SFP-LHX1310-40-D - Zyxel SFP-LHX1310-40 1.25Gbps 1000Base-EX Single-Mode Fibre 40km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: SFP-LHX1310-40-D
Price: $134.01
GLC-BX-U-40KM - Cisco 1Gbps 1000Base-BX-U Single-mode Fiber 40km 1310nmTX/1490nmRX LC Connector SFP Transceiver Module
SKU: GLC-BX-U-40KM
Price: $145.87
SFP-OC3-LR1-AS - Agilestar OC-3/STM-1 LR-1 Single-mode Fibre 40km 1310nm LC Connector SFP Transceiver Module
SKU: SFP-OC3-LR1-AS
Price: $126.11
OC3-SFP-LR1 - Alcatel ATM/SONET 155Mbps OC-3/LR-1 Single-Mode Fibre 40km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: OC3-SFP-LR1
Price: $157.26
SFP-MR27D-LR1 - Gigatech MRV OC-48/STM-16 LR1 Single-Mode Fibre 40km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: SFP-MR27D-LR1
Price: $290.54
DS-SFP-FC8G-ER - Cisco Single-mode 8Gbps Fibre Channel Fiber 40km 1550nm Duplex LC Connector SFP+ Transceiver Module
SKU: DS-SFP-FC8G-ER
Price: $828.95
OC3-SFP-LR1-AS - Agilestar ATM/SONET OC-3/STM-1 LR-1 Single-mode Fibre 40km 1310nm LC Connector SFP Transceiver Module
SKU: OC3-SFP-LR1-AS
Price: $2,352.29
DEM331R - D-Link 1Gbps 1000Base-BX-U Single-mode Fiber 40km TX-1310nm/ RX-1550nm LC Connector SFP Transceiver Module
SKU: DEM331R
Price: $218.83
DEM-433XT-DD - D-Link 10Gbps 10GBase-ER Single-mode Fiber 40km 1550nm Duplex LC Connector SFP+ Transceiver Module
SKU: DEM-433XT-DD
Price: $450.00
DEM-433XT - D-Link 10Gbps 10GBase-ER Single-mode Fiber 40km 1550nm Duplex LC Connector SFP+ Transceiver Module
SKU: DEM-433XT
Price: $669.58
XFP-1550-10GE-40KM - Huawei 11.1Gbps Single-mode Fiber 40km 1550nm LC Connector XFP Optical Transceiver Module
SKU: XFP-1550-10GE-40KM
Price: $10,639.63
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.