Mac Year

Mac Type

Mac Size

RAM Slot Type

Number of Slots

RAM Speed

Max Memory Supported

2008

Mac Pro

(4-8 Core CPU)

Tower

DDR2 ECC

8

PC-6400 (800 Mhz)

64GB

2009

Mac Pro

(4 Core CPU)

Tower

DDR3 ECC SDRAM

4

PC-8500

(1066 Mhz)

48GB

2009

Mac Pro (8 Core CPU)

Tower

DDR3 ECC SDRAM

8

PC-8500

(1066 Mhz)

128GB

2010

Mac Pro

Tower

DDR3 ECC SDRAM

4

PC-8500

(1066 Mhz)

48GB

2010

Mac Pro

(Westmere)

Tower

DDR3 ECC SDRAM

4

PC-10600

(1333 Mhz)

48GB

2010

Mac Pro

(Westmere 8 Core CPU)

Tower

DDR3 ECC SDRAM

8

PC-10600

(1333 Mhz)

128GB

2010

Mac Pro

(Server 4 Core CPU)

Tower

DDR3 ECC SDRAM

4

PC-8500

(1066 Mhz)

48GB

2010

Mac Pro

(Westmere 6 Core CPU)

Tower

DDR3 ECC SDRAM

4

PC-10600

(1333 Mhz)

48GB

2010

Mac Pro

(Westmere 8 Core CPU)

Tower

DDR3 ECC SDRAM

4

PC-10600

(1333 Mhz)

128GB

2010

Mac Pro

(Westmere 8-12 Core CPU)

Tower

DDR3 ECC SDRAM

8

PC-10600

(1333 Mhz)

128GB

2012

Mac Pro

(Nehalem 4 Core CPU)

Tower

DDR3 ECC SDRAM

4

PC-8500

(1066 Mhz)

48GB

2012

Mac Pro

(Westmere 12 Core CPU)

Tower

DDR3 ECC SDRAM

8

PC-10600

(1333 Mhz)

128GB

2012

Mac Pro

(Server 4-6 Core CPU)

Tower

DDR3 ECC SDRAM

4

PC-8500

(1066 Mhz)

48GB

2012

Mac Pro

(Server 12 Core CPU)

Tower

DDR3 ECC SDRAM

8

PC-10600

(1333 Mhz)

128GB

2012

Mac Pro

(All CPU Types)

Dome

DDR3 ECC SDRAM

4

PC-15000

(1866 Mhz)

128GB