Storage
Primary storage
Precision 3640 supports up to 4x 2.5" HDD or up to 3x 3.5" HDD. Also, Precision 3640 supports up to 3x M.2 NVMe SSDs. (2x
via M.2 2280 slots on motherboard and 1x via Dell Ultra Speed Drive)
Your computer supports one or any combination of the following storage configurations:
● 4x 2.5 inch SATA hard-disk drive or
● 3x 3.5 inch SATA hard-disk drive and
● 2x M.2 2280 NVMe solid-state drive (class 40 or 50)
NOTE:
1x 2280 NVMe SSD on optional PCIe SSD M.2 Interposer Card (Dell Ultra Speed 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/3.5-inch hard drive is the primary hard drive
Table 10. Primary Storage specifications
Storage type
2.5 in. hard disk drive, 5400 RPM
2.5 in. hard disk drive, 7200 RPM
3.5 in. hard disk drive, 5400 RPM
3.5 in. hard disk drive, 7200 RPM
3.5 in. hard disk drive, 7200 RPM Enterprise
2.5 in. hard-disk drive, 7200 RPM, FIPS Self Encrypting
M.2 2280, PCIe x4 Gen 3 NVMe, Class 40 solid-state drive
M.2 2280, PCIe x4 Gen 3 NVMe, Class 50 solid-state drive
M.2 2280, PCIe x4 Gen 3 NVMe, Class 50 solid-state drive Self
Encrypting Opal 2.0
NOTE:
3640 ships with only the required number of HDD bays (blue plastic carriers) and SATA cables according to the
ordered configurations. To install additional HDDs, extra HDD bays and SATA cables are available via Customer Kits. Please
refer the service manual or get in touch with our Sales Specialists if you need further advise on installing hard drives after
purchasing the system.
Optical Disk Drive (ODD)
Table 11. 8x Optical Disk 9.5mm Drive DVD +/- R/W
Description
Type
External dimensions
without bezel (W x H X D)
Weight (max)
Interface type and speed
18
Specifications of Precision 3640 Tower
Values
8x Optical Disk 9.5 mm Drive
DVD +/- R/W
128.0 mm (5.04 in.)/ 9.5 mm
(0.37 in.)/ 126.1 mm (4.97 in.)
140 g (0.39 lb)
SATA 1.5 Gb/s
Interface type
SATA AHCI, upto 6 Gbps
SATA AHCI, upto 6 Gbps
SATA AHCI, upto 6 Gbps
SATA AHCI, upto 6 Gbps
SATA AHCI, upto 6 Gbps
SATA AHCI, upto 6 Gbps
NVMe 3.0 PCIe x4
NVMe 3.0 PCIe x4
NVMe 3.0 PCIe x4
8x Optical Disk 9.5 mm Drive
DVD ROM
128.0 mm (5.04 in.)/ 9.5 mm
(0.37 in.)/ 126.1 mm (4.97 in.)
140 g (0.39 lb)
SATA 1.5 Gb/s
Capacity
up to 2 TB
Up to 1 TB
4 TB
Up to 2 TB
Up to 8 TB
500 GB
Up to 2 TB
Up to 1 TB
Up to 1 TB
6x BluRay 9.5 mm Drive
DVD/CD/BD +/- R/W
128.0 mm (5.04 in.)/ 9.5 mm
(0.37 in.)/ 126.1 mm (4.97 in.)
140 g (0.39 lb)
SATA 1.5 Gb/s
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