Replacement for 40GB-SR4-QSFP-G: Drop-In Alternatives We Stock
Looking for a replacement for the 40GB-SR4-QSFP-G (40GB-SR4-QSFP-G - Enterasys 40Gbps 40GBase-SR4 Multi-Mode Fibre 100m 850nm MPO Connector QSFP+ Transceiver Module)? 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 40GB-SR4-QSFP-G
| SKU | 40GB-SR4-QSFP-G |
|---|---|
| Product | 40GB-SR4-QSFP-G - Enterasys 40Gbps 40GBase-SR4 Multi-Mode Fibre 100m 850nm MPO Connector QSFP+ Transceiver Module |
| Current price | $1,702.70 |
| Stock status | In Stock |
| Detail page | View 40GB-SR4-QSFP-G › |
Drop-in replacements for 40GB-SR4-QSFP-G
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.
40G-QSFP-SR-BIDI - Brocade 40Gb/s 40GBase-SR BiDi Multi-Mode Fibre 100m 850nm Duplex LC Connector QSFP+ Transceiver Module
SKU: 40G-QSFP-SR-BIDI
Price: $630.93
40GB-SR4-QSFP - Enterasys 40Gbps 40GBase-SR Multi-mode Fiber 150m 850nm QSFP+ Transceiver Module
SKU: 40GB-SR4-QSFP
Price: $505.45
40GB-SR4-QSFP-A1 - Enterasys 40Gbps 40GBase-SR Multi-mode Fiber 150m 850nm QSFP+ Transceiver Module
SKU: 40GB-SR4-QSFP-A1
Price: $2,307.22
40G-QSFP-SR4 - Brocade 40Gb/s 40GBase-SR4 Multi-Mode Fiber 100m 850nm MPO Connector QSFP+ Transceiver Module
SKU: 40G-QSFP-SR4
Price: $246.92
40G-QSFP-SR4-8 - Brocade 40Gb/s 40GBase-SR4 Multi-Mode Fiber 100m 850nm MPO Connector QSFP+ Transceiver (8-Pack)
SKU: 40G-QSFP-SR4-8
Price: $7,979.14
QSFP-SR4 - Arista 100m 850nm 40GBase-SR-4 Multi-mode Fibre MTP/MPO Connector QSFP+ Transceiver Module
SKU: QSFP-SR4
Price: $47.37
Cisco QSFP-40G-SR-BD Multi-mode 40Gbps 40GBase-SR4 Fiber 100m 850nm Duplex LC Connector QSFP+ Transceiver Module
SKU: QSFP-40G-SR-BD
Price: $259.26
40G-QSFP-SR4-ACC - Accortec 40Gbps 40GBase-SR4 Multi-mode Fiber 100m 850nm MPO Connector QSFP+ Transceiver Module
SKU: 40G-QSFP-SR4-ACC
Price: $609.61
40G-QSFP-SR4-AMC - AMC 40Gbps 40GBase-SR4 Multi-mode Fiber 100m 850nm MPO Connector QSFP+ Transceiver Module
SKU: 40G-QSFP-SR4-AMC
Price: $1,243.11
40GB-SR4-QSFP-ACC - Accortec 40Gb/s 40GBase-SR4 Multi-Mode Fiber 150m 850nm MPO Connector QSFP+ Transceiver Module
SKU: 40GB-SR4-QSFP-ACC
Price: $725.33
JG325-61001 - HP X140 40Gb/s 40GBase-SR4 Multi-mode Fiber 100m 850nm MPO Connector QSFP+ Transceiver Module
SKU: JG325-61001
Price: $96.84
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.