Side-by-Side Comparison
Optical Transceivers
SFP vs. SFP+
Comparing 2 standards across 12 specifications. 12 key differences identified.
Comparing:
SFP
SFP+
Small Form-Factor Pluggable (SFP, also known as mini-GBIC) is a hot-pluggable network interface transceiver standardized under INF-8074i / SFF-8074. Operating across a single electrical channel, it supports data rates up to 1.25 Gbps for Gigabit Ethernet and 4.25 Gbps for Fibre Channel using duplex LC optical interfaces or RJ45 copper.
Enhanced Small Form-Factor Pluggable (SFP+) is a standardized 10 Gbps transceiver form factor defined by SFF-8431 and SFF-8432. Retaining the physical dimensions of standard SFP, it supports 10 Gigabit Ethernet (10GbE), 8G/16G Fibre Channel, and OTU2 over a single 10.3125 Gbps serial electrical lane.
Specification Comparison Table
12 Parameters| Parameter / Spec | ||
|---|---|---|
|
Standard / MSA
|
INF-8074i / SFF-8074 | SFF-8431 / SFF-8432 |
|
Physical Form Factor
|
SFP (Mini-GBIC) | SFP+ (Enhanced SFP) |
|
Electrical Channels
|
1-lane | 1-lane (10.3125 Gbps NRZ) |
|
Max Data Rate (Ethernet)
|
1.25 Gbps | 10.3125 Gbps |
|
Max Data Rate (Fibre Channel)
|
4.25 Gbps | 16 Gbps |
|
Optical Connector
|
Duplex LC (or RJ45 copper) | Duplex LC |
|
Hot Pluggable
|
Yes | — |
|
Typical Power Consumption
|
0.5–1.0 W | — |
|
Digital Diagnostics Monitoring
|
SFF-8472 (DOM / DDM optional) | — |
|
Direct Attach Copper (DAC)
|
— | Supported (Twinax up to 7m passive) |
|
Digital Optical Monitoring (DOM)
|
— | SFF-8472 standard |
|
Backward Compatibility
|
— | Accepts 1G SFP in dual-rate ports |