Addon Networks Sfp-1Gb-Cw-45-120-Ao Network Transceiver Module Fiber Optic 1000 Mbit/S 1450 Nm critical power protection 6GHz Memory Size 5GB Memory

6GHz Memory Size 5GB Memory Interface  320-bit Memory Type  GDDR5 Details Cooler Passive heat sink System Requirements Board power: 225W

T means the better performance

AddOn Networks MB572Z/B-AO

This Dell® compatible SFP+ transceiver provides 10GBase-TX throughput up to 30m over a copper connection using a RJ-45 connector

Addon Networks Sfp-1Gb-Cw-45-120-Ao Network Transceiver Module Fiber Optic 1000 Mbit/S 1450 Nm critical power protection 6GHz Memory Size 5GB MemoryMSA and TAA Compliant 1000Base CWDM SFP Transceiver (SMF, 1450nm, 120km, LC, DOM) AddOn Networks SFP 1GB CW 45 120 AO. SFP transceiver type: Fiber optic, Maximum data transfer rate: 1000 Mbit s, Interface type: SFP. Country of origin: United States, Brand compatibility: MSA Compliant, Certification: TAA. Width: 69. 8 mm, Depth: 120. 7 mm, Height: 30. 5 mm. Package weight: 181. 4368 g This MSA compliant SFP transceiver provides 1000Base CWDM throughput