![HP Z400 Workstation - 1 x Intel Xeon W3550 Quad-core (4 Core) 3.06 GHz - 3 GB DDR3 SDRAM - 500 GB HDD - 21.5" 1920 x 1080 Display 64-bit - Convertible Mini-tower - Jack Black, Alloy Metallic HP Z400 Workstation - 1 x Intel Xeon W3550 Quad-core (4 Core) 3.06 GHz - 3 GB DDR3 SDRAM - 500 GB HDD - 21.5" 1920 x 1080 Display 64-bit - Convertible Mini-tower - Jack Black, Alloy Metallic](http://content.etilize.com/650/1018235583.jpg)
HP Z400 Workstation - 1 x Intel Xeon W3550 Quad-core (4 Core) 3.06 GHz - 3 GB DDR3 SDRAM - 500 GB HDD - 21.5" 1920 x 1080 Display 64-bit - Convertible Mini-tower - Jack Black, Alloy Metallic
![A-Tech 24GB ECC Unbuffered Memory Kit (6 x 4GB) for HP Z400 Workstation - ECC UDIMM DDR3 PC3-10600 1333MHz 240-Pin DIMM 2Rx8 1.5V Dual Rank RAM (AM080899) at Amazon.com A-Tech 24GB ECC Unbuffered Memory Kit (6 x 4GB) for HP Z400 Workstation - ECC UDIMM DDR3 PC3-10600 1333MHz 240-Pin DIMM 2Rx8 1.5V Dual Rank RAM (AM080899) at Amazon.com](https://m.media-amazon.com/images/I/61dcWxrB3XL._AC_UF894,1000_QL80_.jpg)
A-Tech 24GB ECC Unbuffered Memory Kit (6 x 4GB) for HP Z400 Workstation - ECC UDIMM DDR3 PC3-10600 1333MHz 240-Pin DIMM 2Rx8 1.5V Dual Rank RAM (AM080899) at Amazon.com
![CMS 8GB (2X4GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z400 Workstation for Server Only - B80 at Amazon.com CMS 8GB (2X4GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z400 Workstation for Server Only - B80 at Amazon.com](https://m.media-amazon.com/images/I/618cpPh+PkL.jpg)
CMS 8GB (2X4GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z400 Workstation for Server Only - B80 at Amazon.com
![A-Tech 24GB ECC Unbuffered Memory Kit (6 x 4GB) for HP Z400 Workstation - ECC UDIMM DDR3 PC3-10600 1333MHz 240-Pin DIMM 2Rx8 1.5V Dual Rank RAM (AM080899) at Amazon.com A-Tech 24GB ECC Unbuffered Memory Kit (6 x 4GB) for HP Z400 Workstation - ECC UDIMM DDR3 PC3-10600 1333MHz 240-Pin DIMM 2Rx8 1.5V Dual Rank RAM (AM080899) at Amazon.com](https://m.media-amazon.com/images/I/51PIfop4qWL._AC_.jpg)
A-Tech 24GB ECC Unbuffered Memory Kit (6 x 4GB) for HP Z400 Workstation - ECC UDIMM DDR3 PC3-10600 1333MHz 240-Pin DIMM 2Rx8 1.5V Dual Rank RAM (AM080899) at Amazon.com
![Axiom 32GB PC3-14900L (DDR3-1866) ECC LRDIMM for HP Gen 8708643-S2132 GB (1 x 32 GB)DDR3 SDRAM1866 MHz DDR3-1866/PC3-149001... 708643-S21-AX - Corporate Armor Axiom 32GB PC3-14900L (DDR3-1866) ECC LRDIMM for HP Gen 8708643-S2132 GB (1 x 32 GB)DDR3 SDRAM1866 MHz DDR3-1866/PC3-149001... 708643-S21-AX - Corporate Armor](https://www.corporatearmor.com/wp-content/uploads/2023/03/708643-S21-AX_1028151726_jrrtAtVudw-300x300.jpg)
Axiom 32GB PC3-14900L (DDR3-1866) ECC LRDIMM for HP Gen 8708643-S2132 GB (1 x 32 GB)DDR3 SDRAM1866 MHz DDR3-1866/PC3-149001... 708643-S21-AX - Corporate Armor
![CMS 12GB (3X4GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z200, Z210, Z400, Z600, Z800 for Server Only - B81 at Amazon.com CMS 12GB (3X4GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z200, Z210, Z400, Z600, Z800 for Server Only - B81 at Amazon.com](https://m.media-amazon.com/images/I/614wFwWDidL._AC_UF894,1000_QL80_.jpg)
CMS 12GB (3X4GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z200, Z210, Z400, Z600, Z800 for Server Only - B81 at Amazon.com
![HP Z400 Workstation Desktop Computer PC Intel Xeon 2.53GHZ 8GB 1TB Windows 10 Pro with Dedicated Graphics and WIFI HP Z400 Workstation Desktop Computer PC Intel Xeon 2.53GHZ 8GB 1TB Windows 10 Pro with Dedicated Graphics and WIFI](https://cdn11.bigcommerce.com/s-w5trgcbv/images/stencil/1280x1280/products/4123/33280/z400%202__95280.1652715372.jpg?c=2?imbypass=on)