Dell PowerEdge R660 is a 1U, dual CPU rack mounted server

Sapphire Rapid with up to 5 cores for central processing units (Bronze, Silver, Gold6, Gold56, Platinum)
Each processor

Supports up to 2 350W processors

Direct liquid cooling support

Up to 32 DDR5 RDIMMs in memory
DIMM speed: up to 4800 MT/s

Up to 10 2.5 “SAS/SATA HDDs/SSDs; Or NVMe SSD
Up to 16 E3. S NVMe Gen5 DUAL PERCs*

Up to 14 E3. S NVMe Gen5 directly connected*

Up to 2 2.5 “(rear) SAS/SATA HDD/SSD; Or NVMe SSD

Up to 2 E3. S (back) NVMe Gen5*

Rear BOSS-N1 (2xM.2 NVMe) for guidance

Internal: USB

Bandwidth: SAS4-24Gb, SAS3-12Gb, SATA-6Gb

Storage controller hardware RAID: PERC 11 and 12 (dual PERC option)
Hardware SAS4/SATA/NVMe RAID (PERC12)

SW RAID: Yes

Network options include 2 x 1GbE LOM and/or 1 x OCP 3.0