Alternative to 6GK5991-1AF00-8AA0: Better-Value Equivalents in Stock
Comparing the 6GK5991-1AF00-8AA0 (6GK5991-1AF00-8AA0 - Siemens Scalance X Accessory 100MB/s LC Port Optical Single-Mode Transceiver) 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 6GK5991-1AF00-8AA0
| SKU | 6GK5991-1AF00-8AA0 |
|---|---|
| Product | 6GK5991-1AF00-8AA0 - Siemens Scalance X Accessory 100MB/s LC Port Optical Single-Mode Transceiver |
| Current price | $278.53 |
| Stock status | In Stock |
| Detail page | View 6GK5991-1AF00-8AA0 › |
Alternatives to 6GK5991-1AF00-8AA0
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.
6GK5991-1AD00-8AA0 - Siemens Scalance X 100MB/s LC Multimode Optical Transceiver
SKU: 6GK5991-1AD00-8AA0
Price: $293.26
JC875A - HP X126 1Gb/s SFP LC LX SM 10km 1310nm Transceiver for Optical Network Data Networking 1 LC 1000Base-LX Network Optical Fiber Single-mode Giga
SKU: JC875A
Price: $105.26
J9099B - HP ProCurve X112 100Mb/s 100Base-BX-D Single-mode Fiber 10km 1550nmTx/1310nmRx LC Connector SFP (Mini-GBIC) Transceiver Module
SKU: J9099B
Price: $96.82
J9099-61101 - HP ProCurve X112 100Mb/s 100Base-BX-D Single-mode Fiber 10km 1550nmTx/1310nmRx LC Connector SFP (Mini-GBIC) Transceiver Module
SKU: J9099-61101
Price: $105.59
SFP-100LX-20-ACC - Accortec 100Mb/s 100Base-LX Single-Mode Fiber 20km 1310nm LC Connector SFP Transceiver Module for ZyXEL Compatible
SKU: SFP-100LX-20-ACC
Price: $124.45
NTSFP-FXE-15-ACC - Accortec 100Mb/s 100Base-FX Single-Mode Fiber 15km 1310nm LC Connector SFP Transceiver Module for Ciena Compatible
SKU: NTSFP-FXE-15-ACC
Price: $124.49
E1MG-100FX-LR-OM - Brocade 100Mb/s OC-3/STM-1 LR-1 100Base-FX Single-Mode Fiber 40km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: E1MG-100FX-LR-OM
Price: $124.51
SFP-FE-LX-SM1310-ACC - Accortec 100Mb/s 100Base-LX Single-Mode Fiber 10km 1310nm LC Connector SFP Transceiver Module
SKU: SFP-FE-LX-SM1310-ACC
Price: $124.53
J9099BR - HP ProCurve X112 100Mb/s 100Base-BX-D Single-mode Fiber 10km 1550nmTx/1310nmRx LC Connector SFP (Mini-GBIC) Transceiver Module
SKU: J9099BR
Price: $134.01
SFP-100-SM40-ACC - Accortec 100Mb/s 100Base-LH Single-Mode Fiber 40km 1310nm Duplex LC Connector SFP Transceiver Module for Alcatel-Lucent Compatible
SKU: SFP-100-SM40-ACC
Price: $150.42
NTSFP-FXE-40-ACC - Accortec 100Mb/s 100Base-FX Single-Mode Fiber 40km 1310nm LC Connector SFP Transceiver Module for Ciena Compatible
SKU: NTSFP-FXE-40-ACC
Price: $150.51
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.