Optical Communication Network Blog | Pro-optics

10G Copper SFP+: RTL8261 vs 88X3310 vs AQR113C — Which 10G Copper PHY Is Right for Your SFP+ Module?

2026-07-26

Because so much is in your Optics

Part Number

Data Rate

Range (Cat6A)

Connector

Chipset Solutions

Operation Temperature

POSP1001-T-C-A

100M/1000M/2.5G/5G/10G Base-T

30m

RJ-45

Realtek RTL8261

0℃ ~ 70 ℃

POSP1001-T-C-B

100M/1000M/2.5G/5G/10G Base-T

30m

RJ-45

Marvell 88X3310

0℃ ~ 70 ℃

POSP1001-T-C-C

100M/1000M/2.5G/5G/10G Base-T

30m

RJ-45

Marvell AQR113C

(Aquantia)

0℃ ~ 70 ℃

POSP1001-T-C-D

100M/1000M/2.5G/5G/10G Base-T

30m

RJ-45

Marvell AQR113C

(Aquantia)

-40℃ ~ +85 ℃



Dear Customer,

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