Hardware Feature available with VM Hardware Version

Hardware	ESXi 6.0 and later	ESXi 5.5 and later	ESXi 5.1 and later	ESXi 5.0 and later	ESX/ESXi 4.x and later
Hardware version	11	10	9	8	7
Maximum memory (GB)	4080	1011	1011	1011	255
Maximum number of logical processors	128	64	64	32	8
Maximum number of cores (virtual CPUs) per socket	128	64	64	32	8
Maximum SCSI adapters	4	4	4	4	4
Bus Logic adapters	Yes	Yes	Yes	Yes	Yes
LSI Logic adapters	Yes	Yes	Yes	Yes	Yes
LSI-Logic SAS adapters	Yes	Yes	Yes	Yes	Yes
SATA adapters	Yes*	Yes*	No	No	No
VMware Paravirtual controllers	Yes	Yes	Yes	Yes	Yes
Virtual SCSI disk	Yes	Yes	Yes	Yes	Yes
SCSI passthrough	Yes	Yes	Yes	Yes	Yes
SCSI hot plug support	Yes	Yes	Yes	Yes	Yes
IDE nodes	Yes	Yes	Yes	Yes	Yes
Virtual IDE disk	Yes	Yes	Yes	Yes	Yes
Virtual IDE CDROMs	Yes	Yes	Yes	Yes	Yes
IDE hot plug support	No	No	No	No	No
Maximum NICs	10	10	10	10	10
PCNet32	Yes	Yes	Yes	Yes	Yes
VMXNet	Yes	Yes	Yes	Yes	Yes
VMXNet2	Yes	Yes	Yes	Yes	Yes
VMXNet3	Yes	Yes	Yes	Yes	Yes
E1000	Yes	Yes	Yes	Yes	Yes
E1000e	Yes	Yes	Yes	Yes	No
USB 1.x and 2.0	Yes	Yes	Yes	Yes	Yes
USB 3.0	Yes**	Yes**	Yes**	Yes**	No
Maximum video memory (MB)	512	512	512	128	128
SVGA displays	10	10	10	10	10
SVGA 3D hardware acceleration	Yes	Yes	Yes	Yes	No
VMCI	Yes	Yes	Yes	Yes	Yes
PCI passthrough	16	6	6	6	6
PCI hot plug support	Yes	Yes	Yes	Yes	Yes
Nested HV support	Yes	Yes	Yes	No	No
vPMC support	Yes	Yes	Yes	No	No
Serial ports	32	4	4	4	4
Parallel ports	3	3	3	3	3
Floppy devices	2	2	2	2	2
Guest OS support	91	91	91	91	78

Source KB:-
https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2051652