Dell OptiPlex 7070 SFF

What type of RAM does the Dell OptiPlex 7070 SFF support, and what is the maximum capacity?

It supports DDR4-2666/2400 non-ECC unbuffered DIMMs. The maximum capacity is 64 GB (2 x 32 GB) across two SO-DIMM slots.

How many storage drives can be installed, and what interfaces are available?

It has one M.2 2230/2280 slot for PCIe NVMe (Gen 3 x4) SSDs, plus two SATA 3.0 ports for 2.5-inch drives. There are two internal 2.5-inch drive bays.

Which CPUs are compatible with the OptiPlex 7070 SFF?

It uses the LGA 1151 socket and supports 9th Gen Intel Core i3/i5/i7/i9 processors (e.g., i5-9500, i7-9700, i9-9900) with up to 65W TDP. 8th Gen CPUs are also compatible with a BIOS update.

Can the graphics card be upgraded in this SFF model?

Yes, but only low-profile half-height PCIe x16 cards due to the small form factor chassis. The system has a 200W power supply, limiting high-power GPUs.

Is the wireless card upgradeable?

Yes, it uses a M.2 2230 slot for Wi-Fi/Bluetooth modules (e.g., Intel AX200 or AX210). The slot supports both CNVi and PCIe interfaces.

How many memory slots are available, and are they dual-channel capable?

Two SO-DIMM slots are available, and they support dual-channel memory when both slots are populated with identical modules.

What is the maximum supported storage capacity?

The M.2 slot supports up to 2 TB NVMe SSDs, and each SATA bay supports up to 2 TB 2.5-inch drives, for a total of up to 6 TB across all three drives.