Latitude 5491 Setup and specifications guide

Storage

Table 1. Storage specifications The table lists the supported storage devices.
Primary/Boot drive	Primary interface	Secondary drive	Secondary interface	Security option
SSD M.2 2280 SATA: up to 512 GB, OPAL SED options	SATA AHCI, Up to 6 Gbps	M.2 2230 (WWAN slot) NOTE The second SSD (dual SSD) is only supported when it is purchased as part of the original purchase at time of sale. NOTE Adding second SSD (dual SSD) is not available after initial purchase.	PCIe 3 x2 NVME, Up to 16 Gbps	YES
SSD M.2 2280 PCIe/NVMe: up to 1TB, OPAL SED options	PCIe 3 x4 NVME, Up to 32 Gbps		PCIe 3 x2 NVME, Up to 16 Gbps	YES
One 2.5 " hard drive: up to 1TB, Hybrid OPAL SED options	SATA AHCI, Up to 6 Gbps		PCIe 3 x2 NVME, Up to 16 Gbps	YES
SSD M.2 2230 PCIe/NVMe : up to 256 GB (in WWAN slot only)	PCIe 3 x2 NVME, Up to 16 Gbps	M.2 2280 SATA	SATA AHCI, Up to 6 Gbps	NO
SSD M.2 2230 PCIe/NVMe : up to 256 GB (in WWAN slot only)	PCIe 3 x2 NVME, Up to 16 Gbps	2.5" hard drive	SATA AHCI, Up to 6 Gbps	NO