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Storage
This section lists the storage options on your Latitude 5521.
Your computer supports one of the following configurations:
● One 2.5-inch hard drive
● Two M.2 2230/2280 solid state drive
The primary drive of your computer varies with the storage configuration. For computers:
● with a M.2 drive, the M.2 drive is the primary drive
● without a M.2 drive, the 2.5-inch hard drive is the primary drive
Table 12. Storage specifications
Storage type
2.5-inch 5400 rpm SATA hard-disk drive
2.5-inch 7200 rpm SATA hard-disk drive
2.5-inch 7200 rpm SED SATA hard-disk
drive
M.2 2230 solid-state drive PCIe NVMe
M.2 2280 solid-state drive PCIe NVMe
M.2 2280 Opal Self Encrypting solid-
state drive PCIe NVMe
Intel Optane memory
Intel Optane memory functions only as a storage accelerator. It neither replaces nor adds to the memory (RAM) installed on
your computer.
NOTE:
Intel Optane memory is supported on computers that meet the following requirements:
th
● 7
Generation or higher Intel Core i3/i5/i7 processor
● Windows 10 64-bit version or higher (Anniversary Update)
● Latest version of Intel Rapid Storage Technology driver
Table 13. Intel Optane memory
Description
Type
Interface
Connector
Configurations supported
Capacity
16
Specifications of Latitude 5521
Interface type
SATA up to 6 Gbps
SATA up to 6 Gbps
SATA AHCI, up to 6 Gbps
PCIe Gen3x4 NVMe, up to 32 Gbps
PCIe Gen3x4/Gen4x4 NVMe, up to 32
Gbps
PCIe Gen3x4 NVMe, up to 32 Gbps
Values
Memory/Storage/Storage accelerator
PCIe Gen3.0x4
M.2 2280
32 GB, 512 GB
Up to 512 GB
Capacity
up to 2 TB
up to 1 TB
500 GB
up to 512 GB
up to 2 TB
1 TB