Cisco Nexus 9500 — (N9K-C9500) switches

Cisco Nexus 9500 (N9K-C9500) series switches was announced in 2013. 

View datasheet for Nexus 9500

The available features and operating mode depends on the installed components.
ACI mode requires the installation of X9700 series cards and FM-E / E2 fabric modules.

Cisco have released several generations of line cards::
X9400 – Only NFE( Trident2)
X9400-S – Only NFE( Tomahawk)
X9500 – NFE( Trident2) + ALE
X9600R/RX – Broadcom Jericho
X9700-EX – Cisco CloudScale LSE
X9700-FX – Cisco CloudScale LS1800FX

Cisco offers three modular chassis:

MetricNEXUS 9504NEXUS 9508NEXUS 9516
Height7 RU13 RU20 RU
Supervisor Slots222
Fabric Module Slots666
Line Card Slots4816
Power Supplies4 x 3KW AC4 x 3KW AC4 x 3KW AC
Fan Trays333

Cisco nexus 9500 line card compatibility and comparison:

Line CardASICPacket BufferFM required10G SFP+10G-BASE-TSFP28 25G40G100G400GNX-OSACI
N9K-X9716D-GX160 MBFM-G0000016vv
N9K-X9736C-FXCisco LS1800FX160 MBFM-E/FM-E2/FM-G0000360vv
N9K-X9732C-FXCisco LS1800FX160 MBFM-E/FM-E2/FM-G0000320vx
N9K-X9788TC-FXCisco LS1800FX80 MBFM-E/FM-E2/FM-G0480040vx
N9K-X9732C-EXCisco LSE160 MBFM-E/FM-E20000320vv
N9K-X9736C-EXCisco LSE160 MBFM-E/FM-E20000360vx
N9K-X97160YC-EXCisco LSE80 MBFM-E/FM-E2/FM-G0048040vx
N9K-X9736PQCisco ASE42 MBFM0003600xv
N9K-X9636C-RXJericho16 GBN9K-C9508-FM-R0000360vx
N9K-X9636C-RJericho24 GBN9K-C9508-FM-R0000360vx
N9K-X9636Q-RJericho12 GBN9K-C9508-FM-R0003600vx
N9K-X96136YC-RJericho4 GBN9K-C9508-FM-R16032040vx
N9K-X9636PQTrident236 MBFM0003600vx
N9K-X9536PQTrident2 +ALE104MBFM0003600vx
N9K-X9564PXTrident2 +ALE104MBFM4800400vx
N9K-X9564TXTrident2 +ALE104MBFM0480400vx
N9K-X9432C-STomahawk32 MBFM-S0000320vx
N9K-X9408PC-CFP2Trident224 MBFM000080vx
N9K-X9432PQTrident224 MBFM0003200vx
N9K-X9436PQTrident224 MBFM0003600vx
N9K-X9464PXTrident212 MBFM4800400vx
N9K-X9464TXTrident212 MBFM0480400vx

Public Cisco datasheets used to fill this table, here is some links:
Nexus 9500 platform overview and compatibility matrix
Nexus 9500 R-Series X9600R Broadcom Jericho based cards
Cisco Live! BRKDCT-3640 v1(2016) Cisco Nexus 9000 architecture
Cisco Live! BRKDCT-3640 v2(2017) Cisco Nexus 9000 architecture
Cisco Live! BRKDCT-3640 v3(2018) Cisco Nexus 9000 architecture
Cisco Live! BRKARC-2222 Cisco Nexus 9000 architecture
Cisco 9500 Classic Line Cards and Fabric Modules