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-G-----16vv
N9K-X9736C-FXCisco LS1800FX160 MBFM-E/FM-E2/FM-G----36-vv
N9K-X9732C-FXCisco LS1800FX160 MBFM-E/FM-E2/FM-G----32-vx
N9K-X9788TC-FXCisco LS1800FX80 MBFM-E/FM-E2/FM-G-48--4-vx
N9K-X9732C-EXCisco LSE160 MBFM-E/FM-E2----32-vv
N9K-X9736C-EXCisco LSE160 MBFM-E/FM-E2----36-vx
N9K-X97160YC-EXCisco LSE80 MBFM-E/FM-E2/FM-G--48-4-vx
N9K-X9736PQCisco ASE42 MBFM---36--xv
N9K-X9636C-RXJericho16 GBN9K-C9508-FM-R----36-vx
N9K-X9636C-RJericho24 GBN9K-C9508-FM-R----36-vx
N9K-X9636Q-RJericho12 GBN9K-C9508-FM-R---36--vx
N9K-X96136YC-RJericho4 GBN9K-C9508-FM-R16-32-4-vx
N9K-X9636PQTrident236 MBFM---36--vx
N9K-X9536PQTrident2 +ALE104MBFM---36--vx
N9K-X9564PXTrident2 +ALE104MBFM48--4--vx
N9K-X9564TXTrident2 +ALE104MBFM-48-4--vx
N9K-X9432C-STomahawk32 MBFM-S----32-vx
N9K-X9408PC-CFP2Trident224 MBFM----8-vx
N9K-X9432PQTrident224 MBFM---32--vx
N9K-X9436PQTrident224 MBFM---36--vx
N9K-X9464PXTrident212 MBFM48--4--vx
N9K-X9464TXTrident212 MBFM-48-4--vx

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