Alternative to NTK591SB-ACC: Better-Value Equivalents in Stock
Comparing the NTK591SB-ACC (NTK591SB-ACC - Accortec 1Gb/s 1000Base-CWDM Single-Mode Fiber 40km 1590nm LC Connector SFP Transceiver Module for Ciena Compatible) 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 NTK591SB-ACC
| SKU | NTK591SB-ACC |
|---|---|
| Product | NTK591SB-ACC - Accortec 1Gb/s 1000Base-CWDM Single-Mode Fiber 40km 1590nm LC Connector SFP Transceiver Module for Ciena Compatible |
| Current price | $451.53 |
| Stock status | In Stock |
| Detail page | View NTK591SB-ACC › |
Alternatives to NTK591SB-ACC
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.
NTK591MB-ACC - Accortec 1Gb/s 1000Base-CWDM Single-Mode Fiber 40km 1490nm LC Connector SFP Transceiver Module for Ciena Compatible
SKU: NTK591MB-ACC
Price: $451.53
NTK591LB-ACC - Accortec 1Gb/s 1000Base-CWDM Single-Mode Fiber 40km 1470nm LC Connector SFP Transceiver Module for Ciena Compatible
SKU: NTK591LB-ACC
Price: $451.53
SFP-1GB-CW-49-40-ACC - Accortec 1Gbps 1000Base-CWDM Single-mode Fiber 40km LC Connector SFP Taa Transceiver Module
SKU: SFP-1GB-CW-49-40-ACC
Price: $451.53
SFP-1GB-CW-35-40-ACC - Accortec 1Gbps 1000Base-CWDM Single-mode Fiber 40km LC Connector SFP Taa Transceiver Module
SKU: SFP-1GB-CW-35-40-ACC
Price: $451.53
NTK591NB-ACC - Accortec 1Gb/s 1000Base-CWDM Single-Mode Fiber 40km 1510nm LC Connector SFP Transceiver Module for Ciena Compatible
SKU: NTK591NB-ACC
Price: $451.53
SFP-1GB-CW-29-40-ACC - Accortec 1Gbps 1000Base-CWDM Single-mode Fiber 40km LC Connector SFP Taa Transceiver Module
SKU: SFP-1GB-CW-29-40-ACC
Price: $451.53
NTK592NGE5-ACC - Accortec 1Gbps 1000Base-CWDM Single-mode Fiber 40km 1510nm LC Connector SFP Transceiver Module
SKU: NTK592NGE5-ACC
Price: $451.49
SFP-10GCWER-57-ACC - Accortec 10Gb/s 10GBase-ER CWDM Single-Mode Fiber 40km 1570nm Duplex LC Connector SFP+ Transceiver Module
SKU: SFP-10GCWER-57-ACC
Price: $3,303.76
SFP-10GCWER-51-ACC - Accortec 10Gb/s 10GBase-ER CWDM Single-Mode Fiber 40km 1510nm Duplex LC Connector SFP+ Transceiver Module
SKU: SFP-10GCWER-51-ACC
Price: $3,303.79
SFP-10G-DW-1590-ACC - Accortec 10Gb/s 10GBase-CWDM Single-Mode Fiber 40km 1590nm LC Connector SFP+ Transceiver Module
SKU: SFP-10G-DW-1590-ACC
Price: $3,303.79
SFP-10GCWER-59-ACC - Accortec 10Gb/s 10GBase-ER CWDM Single-Mode Fiber 40km 1590nm Duplex LC Connector SFP+ Transceiver Module
SKU: SFP-10GCWER-59-ACC
Price: $3,303.79
SFP-10GCWER-55-ACC - Accortec 10Gb/s 10GBase-ER CWDM Single-Mode Fiber 40km 1550nm Duplex LC Connector SFP+ Transceiver Module
SKU: SFP-10GCWER-55-ACC
Price: $3,303.83
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.