10GbE, 25GbE and faster network cards listed for Synology and QNAP NAS models. Sorted by how many NAS models each is listed for.

PartNAS modelsBuy
QNAP QXG-10G1T252Amazon eBay
QNAP QXG-2G1T-I225222Amazon eBay
QNAP QXG-2G2T-I225219Amazon eBay
QNAP QXG-10G2T217Amazon eBay
Mellanox ConnectX-3 Pro EN MCX312B-XCCT211Amazon eBay
QNAP QXG-10G2TB211Amazon
QNAP QXG-5G2T-111C197Amazon
QNAP QXG-10G2SF-CX4194Amazon eBay
QNAP LAN-10G1SR189Amazon eBay
QNAP LAN-1G2T-I210187Amazon eBay
QNAP QXG-10G2T-107185Amazon
QNAP LAN-10G1TA183Amazon
QNAP LAN-10G2SF-MLX179Amazon eBay
Mellanox MCX311A-XCCT169Amazon eBay
QNAP LAN-10G2T-X550168Amazon eBay
QNAP QXG-5G1T-111C159Amazon
Emulex OneConnect OCe11102-NX156Search Amazon
QNAP QXG-2G4T-I225150Amazon eBay
QNAP QXG-25G2SF-CX6137Amazon eBay
Emulex OneConnect OCe14102-NX136Amazon eBay
Intel Ethernet Converged Network Adapter X520-SR2136Search Amazon eBay
QNAP QXP-16G2FC134Amazon eBay
QNAP QXP-32G2FC133Amazon eBay
Intel Ethernet Converged Network Adapter X520-DA2132Search Amazon eBay
Mellanox ConnectX-3 Pro EN MCX314A-BCCT128Amazon eBay
QNAP LAN-40G2SF-MLX122Amazon
QNAP QXG-10G2T-X710121Amazon eBay
QNAP QXG-10G2SF-X710117Search Amazon eBay
QNAP QXG-25G2SF-CX4115Amazon eBay
QNAP LAN-10G2T109Amazon eBay
QNAP QXG-5G4T-111C109Amazon
QNAP QXP-W6-AX200108Search Amazon
Intel Ethernet Converged Network Adapter X520-T2106Search Amazon eBay
Mellanox MCX313A-BCCT98Amazon eBay
Synology E10G18-T186Amazon eBay
QNAP LAN-10G2DA-U-EMULEX85Amazon
Synology E10G18-T284Amazon eBay
Emulex OneConnect OCe11102-IM80Amazon
QNAP QXG-10G2SF-NXE79Search Amazon eBay
Marvell Qlogic QLE2742 (2-port 32Gb)78Search Amazon
Marvell Qlogic QLE-266277Search Amazon
Emulex OneConnect OCe11102-IX76Search Amazon
Intel Ethernet Converged Network Adapter X710-DA475Amazon eBay
QNAP LAN-10G1T-D74Amazon
QNAP LAN-10G1T-U74Amazon
Emulex OneConnect OCe11102-NM73Amazon eBay
QNAP QXG-10G1TD72Search Amazon
QNAP QXG-25G2SF-E81072Search Amazon eBay
Emulex OneConnect OCe11102-NT71Amazon
Intel Ethernet Converged Network Adapter X710-T471Amazon eBay
Synology E10G21-F267Amazon eBay
QNAP LAN-10G2DA-U-EMULEX264Search Amazon
Synology E10G30-F262Amazon eBay
Synology E10G30-T262Amazon eBay
Synology E10G17-F255Amazon eBay
Synology E25G21-F255Amazon
Synology E25G30-F251Amazon eBay
QNAP QXG-25G2SF-BCM50Search Amazon eBay
Marvell FastLinQ QL41134HLCU48Search Amazon eBay
Intel Ethernet Server Adapter I350-T447Amazon eBay
Emulex OneConnect OCe11102-FM46Amazon
TP-LINK TL-WDN3800 N600 HW V1.245Search Amazon
TP-LINK TL-WDN4800 N900 HW V1.045Search Amazon
TP-LINK TL-WN781ND N150 (VerV2.2)45Search Amazon eBay
TP-LINK TL-WN881ND N300 HW V1.145Search Amazon
Synology E10G15-F144Amazon
Intel Ethernet Converged Network Adapter X550-T242Amazon eBay
Intel Ethernet Converged Network Adapter X710-DA242Amazon eBay
Synology E10M20-T142Amazon eBay
Intel Ethernet Converged Network Adapter X540-T241Amazon eBay
Mellanox ConnectX-4 Lx EN MCX4121A-XCAT41Amazon eBay
QNAP LAN-10G1SR-U41Amazon eBay
Synology E10G30-T140Amazon eBay
QNAP LAN-1G2T-U39Amazon
QNAP QXP-40G2UC37Search Amazon eBay
HP 561T34Search Amazon eBay
QNAP LAN-10G1SR-D34Amazon
ATTO FF-NS1233Search Amazon eBay
ATTO FF-NT1233Search Amazon eBay
Intel Gigabit ET Dual Port Server Adapter33Amazon eBay
Intel Gigabit ET2 Quad Port Server Adapter32Amazon eBay
Marvell FastLinQ QL41134HLRJ31Search Amazon eBay
QNAP LAN-1G2T-D31Amazon
ATTO FFRM-NQ42-00027Search Amazon
Intel Ethernet Network Adapter XXV710-DA227Amazon eBay
Mellanox ConnectX-4 Lx EN MCX4121A-ACAT27Amazon eBay
ATTO Celerity CTFC-162P26Search Amazon eBay
ATTO Celerity CTFC-322E26Search Amazon
QNAP QXG-10G4SF-BCM17Search Amazon
QNAP QXG-25G4SF-BCM16Search Amazon
Emulex OneConnect OCe11102-FX14Search Amazon eBay
Mellanox ConnectX-4 EN MCX414A-BCAT14Amazon eBay
Emulex OneConnect OCe11102-IT13Search Amazon
Marvell FastLinQ QL41212HLCU12Search Amazon
QNAP QXG-100G2SF-E81012Amazon eBay
QNAP QXG-100G2SF-BCM11Search Amazon eBay
Marvell FastLinQ QLE3442-CU10Search Amazon
QNAP QXG-100G2SF-CX610Amazon
Marvell FastLinQ QLE3442-RJ9Search Amazon
Mellanox ConnectX-4 Lx EN MCX4131A-BCAT8Amazon eBay
Intel Ethernet Converged Network Adapter XL710-QDA27Search Amazon eBay
Synology E10G22-T1-Mini6Amazon eBay
QNAP QXG-25G2SF-NXE5Search Amazon
Broadcom P2100G3Search Amazon eBay
QNAP LAN-10G2SF-IPI-U (LAN-10G2SF-PHY-CS4227)2Search Amazon
QNAP LAN-10G4SF-ITL-U2Search Amazon
QNAP QXG-ES10G1SF-100S2Search Amazon
QNAP QXG-ES10G1T2Amazon eBay
QNAP QXG-ES40G2UC2Search Amazon
NVIDIA MCX755106AS-HEAT1Search Amazon eBay