Alternative to NTK591QB-ACC: Better-Value Equivalents in Stock
Comparing the NTK591QB-ACC (NTK591QB-ACC - Accortec 1.25Gb/s 1.25GBase-CWDM Single-Mode Fiber 80km 1551nm Duplex 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 NTK591QB-ACC
| SKU | NTK591QB-ACC |
|---|---|
| Product | NTK591QB-ACC - Accortec 1.25Gb/s 1.25GBase-CWDM Single-Mode Fiber 80km 1551nm Duplex LC Connector SFP Transceiver Module for Ciena Compatible |
| Current price | $451.49 |
| Stock status | In Stock |
| Detail page | View NTK591QB-ACC › |
Alternatives to NTK591QB-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.
3HE00070CE - Alcatel 1Gbps 1000Base-CWDM 1551nm 120km Single-mode Fiber 1551nm SFP Transceiver
SKU: 3HE00070CE
Price: $243.74
1442703PG5 - ADTRAN 622Mb/s CWDM OC-12 Single-Mode Fiber 80km 1551nm LC Connector SFP Transceiver Module
SKU: 1442703PG5
Price: $502.20
XFP-10G-CWDM1551 - Juniper 10Gbps 10GBase-CWDM 8 Channel C-Band Single-mode Fiber 80km 1551nm LC Connector XFP Transceiver Module
SKU: XFP-10G-CWDM1551
Price: $8,625.18
CWDM-XENPAK-10G-1551 - Cisco 10Gbps CWDM 80km 1551nm Xenpak Transceiver Module
SKU: CWDM-XENPAK-10G-1551
Price: $1,559.91
NTK591QB - Nortel 1.25Gb/s 1.25GBase-CWDM Single-Mode Fiber 40km 1551nm Duplex LC Connector SFP Transceiver Module
SKU: NTK591QB
Price: $367.03
02310LQY - Huawei 10Gbps Single-mode Fiber 70km 1551nm LC Connector XFP CWDM Optical Transceiver Module
SKU: 02310LQY
Price: $4,131.49
NTK591TB-ACC - Accortec 1.25Gb/s 1.25Base-CWDM Single-Mode Fiber 80km 1610nm Duplex LC Connector SFP Transceiver Module for Ciena Compatible
SKU: NTK591TB-ACC
Price: $451.49
NTK591RB-ACC - Accortec 1.25Gb/s 1.25Base-CWDM Single-Mode Fiber 80km 1570nm Duplex LC Connector SFP Transceiver Module for Ciena Compatible
SKU: NTK591RB-ACC
Price: $451.53
NTK591PB-ACC - Accortec 1.25Gb/s 1.25Base-CWDM Single-Mode Fiber 80km 1530nm Duplex LC Connector SFP Transceiver Module for Ciena Compatible
SKU: NTK591PB-ACC
Price: $451.53
SFP-1GB-CW-53-80-ACC - Accortec 1Gbps 1000Base-CWDM Single-mode Fiber 80km LC Connector SFP Taa Transceiver Module
SKU: SFP-1GB-CW-53-80-ACC
Price: $469.72
100-03789-ACC - Accortec 1.25Gbps 1000Base-CWDM Single-mode Fiber 80km 1470nm Duplex LC Connector SFP Transceiver Module
SKU: 100-03789-ACC
Price: $478.99
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.