Replacement for XSFP-LW-4GB-Z: Drop-In Alternatives We Stock
Looking for a replacement for the XSFP-LW-4GB-Z (XSFP-LW-4GB-Z - Sun Small Form Pluggable LongWave 4Gbps Fibre Channel Transceiver Capable of 4km 1310nm)? Pro Disk Network ships drop-in replacements and equivalent modern parts from US inventory. Every alternate below is in-stock today with same-day shipping for orders placed before 2pm ET. If your unit is still under warranty, contact our engineering team — we offer cross-shipping for B2B customers on Net 30 terms.
About the XSFP-LW-4GB-Z
| SKU | XSFP-LW-4GB-Z |
|---|---|
| Product | XSFP-LW-4GB-Z - Sun Small Form Pluggable LongWave 4Gbps Fibre Channel Transceiver Capable of 4km 1310nm |
| Stock status | In Stock |
| Detail page | View XSFP-LW-4GB-Z › |
Drop-in replacements for XSFP-LW-4GB-Z
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.
YW91C - Dell Small form Factor Pluggable Plus Fiber Channel 10KM Longwave SFP+ Transceiver Module
SKU: YW91C
Price: $4,000.42
0YW91C - Dell Small form Factor Pluggable Plus Fiber Channel 10KM Longwave SFP+ Transceiver Module
SKU: 0YW91C
Price: $4,000.42
413272-001 - HP Optical Transceiver 4GB/s, Short Wave Sw, Fibre Channel Fc, Small Form Pluggable SFP
SKU: 413272-001
Price: $206.71
05P568 - Dell 1Gbps 1000Base-LX Long-Wavelength Small Form Pluggable LC SFP (mini-GBIC) Transceiver Module
SKU: 05P568
Price: $87.51
5P568 - Dell 1Gbps 1000Base-LX Long-Wavelength Small Form Pluggable LC SFP (mini-GBIC) Transceiver Module
SKU: 5P568
Price: $87.51
212192-002-AS - Agilestar 1000Base-SX 2Gbps Data rate Small Form-factor Pluggable (SFP) 850nm Transceiver Module
SKU: 212192-002-AS
Price: $107.13
828107-001 - HP 840 Quad Small form-factor Pluggable Qsfp28 Single-Port 100Gb/s InfiniBand Network Adapter
SKU: 828107-001
Price: $155.79
AA1419038 - Nortel 1Gbps 1000Base-CWDM Small Form Factor Pluggable GBIC (mini-GBIC connector type LC) 1570nm Wavelength 70km Transceiver Module
SKU: AA1419038
Price: $168.78
How we pick replacements
Every recommendation above was selected using these criteria:
- Drop-in compatibility — same form factor (2.5"/3.5", PCIe slot, SFP port, etc.), so it fits the original chassis without modification
- Equivalent or better performance — matched on RPM/IOPS/speed/throughput, never downgraded
- Same-brand-preferred — we list the OEM-equivalent first when available, then trusted aftermarket
- Warranty coverage — 90-day Pro Disk warranty on every part, with 1-year option for B2B
- In stock today — never recommend a part that is on backorder
Need help confirming compatibility?
Our engineers validate every replacement against your specific server, switch, or chassis model before shipment. Email sales@prodisknetwork.com with your platform model (e.g., Dell PowerEdge R740, HP DL380 Gen10, Cisco Catalyst 9300) and we will confirm the exact part number that drops into your hardware.