Table 4. Chipset (continued)
Description Values
PCIe bus
Up to Gen 4
Operating system
Your Precision 3581 supports the following operating systems:
● Windows 11 Home, 64-bit, Windows 10 downgrade capable
● Windows 11 Pro, 64-bit
● Windows 10 China G-SKU, 64-bit
● Ubuntu 22.04 LTS, 64-bit
Memory
The following table lists the memory specifications of your Precision 3581.
Table 5. Memory specifications
Description Values
Memory slots
Two-SODIMM slots
Memory type
● Single-channel DDR5
● Dual-channel DDR5
Memory speed
4800 MHz
Maximum memory configuration
64 GB
Minimum memory configuration
8 GB
Memory size per slot
8 GB, 16 GB, or 32 GB
Memory configurations supported
● 8 GB, 1 x 8 GB, DDR5, 4800 MHz, single-channel
● 16 GB, 2 x 8 GB, DDR5, 4800 MHz, dual-channel
● 16 GB, 1 x 16 GB, DDR5, 4800 MHz, single-channel
● 32 GB, 2 x 16 GB, DDR5, 4800 MHz, dual-channel
● 64 GB, 2 x 32 GB, DDR5, 4800 MHz, dual-channel
External ports
The following table lists the external ports of your Precision 3581.
Table 6. External ports
Description Values
Network port
One RJ-45 port
USB ports
● Two Thunderbolt 4 port with DisplayPort Alt Mode/USB
Type-C/USB4/Power Delivery
NOTE: You can connect a Dell Docking Station to this
port. For more information, search in the Knowledge
Base Resource at www.dell.com/support.
Specifications of Precision 3581 13
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