User Guide

Table 11. Audio specifications (continued)
Description Values
Audio controller
Realtek ALC3246-CG
Stereo conversion
24-bit DAC (Digital-to-Analog) and ADC (Analog-to-Digital)
Internal audio interface
Intel HDA (high-definition audio)
External audio interface
One universal audio jack (front)
One line-out audio port (rear)
Number of speakers
One (optional)
Internal-speaker amplifier
Integrated in ALC3246-CG (Class-D 2 W)
External volume controls
Keyboard shortcut controls
Speaker output:
Average speaker output
2 W
Peak speaker output
2.2 W
Subwoofer output
Not supported
Microphone
Not supported
Storage
This section lists the storage options on your Precision 3660 Tower.
M.2 SSD Boot + Optional M.2 SSDs This configuration enables boot on M.2 NVMe SSD with up to three additional NVMe
SSDs. No SATA HDDs are configured in this option.
2.5" SATA HDD Boot + Optional 2.5" SATA HDDs This configuration enables boot on 2.5" SATA HDD with up to three
additional 2.5" SATA HDDs.
3.5" HDD Boot + Optional 3.5" HDDs This configuration enables boot on 3.5" HDD with up to one additional 3.5" HDD.
M.2 SSD Boot + Optional M.2 SSDs + 2.5" SATA HDD + Optional 2.5" SATA HDDs This configuration enables boot on M.2
NVMe SSD with up to three additional NVMe SSDs, one 2.5" SATA HDD and up to three additional 2.5" SATA HDDs.
M.2 SSD Boot + Optional M.2 SSD + 3.5" SATA HDD + Optional 3.5" SATA HDDs This configuration enables boot on M.2
NVMe SSD with up to three additional NVMe SSDs, one 3.5" SATA HDD and one additional 3.5" SATA HDD.
M.2 SSD Boot + Optional SSDs + Front-accessible 2.5" SATA HDD + Optional 2.5" SATA HDDs - This configuration enabled
boot on M.2 NVMe SSD with up to three additional NVMe SSDs, one front-accessible 2.5" SATA HDD and two additional
2.5" SATA HDDs
M.2 SSD Boot + Optional SSDs + Front-accessible 3.5" SATA HDD + Optional 3.5" SATA HDDs - This configuration enabled
boot on M.2 NVMe SSD with up to three additional NVMe SSDs, one front-accessible 3.5" SATA HDD and up to two
additional 3.5" SATA HDDs
RAID 0/1/5/10 available.
NOTE: M.2 NVMe SSD cannot build RAID disk with any SATA drive.
NOTE: Precision 3660 motherboard can support up to two M.2 2230 NVMe SSDs or up to three M.2 2280 NVMe SSDs.
Table 12. Storage specifications
Storage type Interface type Capacity
2.5-inch, 7200 RPM, hard-disk drive SATA 3.0 Up to 1 TB
Specifications of Precision 3660 Tower 17