Dell OptiPlex 790 SFF
Specification and Upgrade Options
The Dell OptiPlex 790 SFF is a pre-built business desktop computer first released in 2011. Although more than five years old, it is still a viable solution for home and office. The motherboard is using the Q65 chipset and supports 2th gen Intel Core processor, 16GB of DIMM DDR3-1333 memory, and a low profile GPU. You can even make a gaming PC form this machine with a proper GPU upgrade.
Dell OptiPlex 790 SFF is a Small form factor computer. The Small Form Factor (SFF) is an in-between model. It has less space for the larger form factors (Mid tower, Mini tower, and Desktop), but it is still easily upgradable. Usually the SFF come with 2x PCIe slots, so fitting a low profile graphics card is possible.
Processor
The Dell OptiPlex 790 SFF supports Gen2 Intel Core technology. Intel introduced their second generation micro architecture named Sandy Bridge in 2011. The maximum number of cores is 6 (on an i7 processor). Desktops use the 1155 LGA socket and DDR3-1066 RAM. The second generation of Intel Core is old but still sufficient for office, home tasks and retro gaming. If you plan to enjoy more recent games, a more recent CPU is required.
Best CPUs for Dell OptiPlex 790 SFF upgrade:
Model | Cores (Threads) | Base frequency | Turbo |
---|---|---|---|
Core i5 2500 | 4(8) | 3.3 GHz | 3.7 GHz |
Core i7 2600 | 4(8) | 3.4 GHz | 3.8 GHz |
Core i7 2700K | 4(8) | 3.5 GHz | 3.9 GHz |
Memory
Dell OptiPlex 790 SFF has four RAM slots and supports dual channel memory configuration. This is sufficient for almost any use case and especially in situations where the workload calls for more RAM.
To cover the needs of your OS, games, and apps, Dell OptiPlex 790 SFF supports up to 16 GB of DIMM DDR3-1333 RAM. For office work, home use, and light gaming we recommend 8GB of RAM. For everything else, use 16GB or more.
Faster RAM speeds permit your processor to access the data stored inside the memory faster. This is important for the overall speed of your system. The motherboard of the Dell OptiPlex 790 SFF supports RAM speeds of up to 1333 MT/s.