Dell PowerEdge R660

Dell's 16th-generation two-socket 1U rack server: 4th or 5th Gen Intel Xeon Scalable (up to 64 cores each), 32 DDR5 RDIMM slots, up to three PCIe Gen5/Gen4 slots and up to 10 x 2.5-inch or 16 x E3.S NVMe drives. Aimed at dense virtualization, database analytics and mixed-workload standardization.

Memory

Slots: 32 DDR5 DIMM (16 per CPU, 8 channels x 2 DIMMs), 288-pin; RDIMM only, 1.1 V
4th Gen Xeon: 16 GB 1R, 32/64 GB 2R, 128 GB 4R, 256 GB 8R RDIMMs; 4800 MT/s at 1 DPC, 4400 MT/s at 2 DPC; max 8 TB (4 TB with one CPU)
5th Gen Xeon: 16 GB 1R, 32/64/96/128 GB 2R, 128 GB 4R RDIMMs; 6400/5600 MT/s rated DIMMs run up to 5600 MT/s at 1 DPC, 4400 MT/s at 2 DPC; max 4 TB (2 TB with one CPU)
Speed by CPU: 4th Gen: Platinum 8400 and Gold 6400 4800 MT/s, Gold 5400 4400 MT/s, Silver 4400 and Bronze 3408U 4000 MT/s; 5th Gen: Platinum 8500 5600 MT/s (8558U 4800), Gold 6500 5200 MT/s (6534 4800), Gold 5512U 4800 MT/s, Silver 4500 4400 MT/s
Xeon Max: 64 GB HBM per CPU; runs with no DIMMs, or 1, 2, 4, 8 or 16 DIMMs per CPU in flat or cache mode
Population: 1, 2, 4, 6, 8, 12 or 16 DIMMs per CPU; white-tab sockets first; no mixing of capacities, x4/x8 or 3DS/non-3DS DIMMs; 4R 128 GB is end of life

Storage

Front bays: 8 x 2.5" SAS/SATA/NVMe (122.88 TB), 10 x 2.5" SAS/SATA/NVMe (153.6 TB), 14 x E3.S Gen5 NVMe (179.2 TB) or 16 x E3.S Gen5 NVMe (204.8 TB); hot-plug; diskless option
Rear bays: Optional 2 x 2.5" SAS/SATA/NVMe (30.72 TB) or 2 x E3.S Gen5 NVMe (25.6 TB); only with riser config 7 (R3P) or 9 (R2S+R3S)
Configurations: No backplane; 8 x 2.5" NVMe direct, NVMe RAID, SAS4/SATA or universal; 10 x 2.5" SAS4/SATA (optionally + 2 rear, or with 4 or 2 universal slots); 10 x 2.5" NVMe direct (optionally + 2 rear NVMe); 14 x E3.S (optionally + 2 rear E3.S); 16 x E3.S dual-controller NVMe RAID
Internal RAID/HBA: Front PERC: H965i, H755, H755N, H355; HBA355i, HBA465i; S160 software RAID
External: PERC H965e, HBA355e (HBA465e post-launch); USB tape, 12 Gb MD-series JBODs
Boot: BOSS-N1 (rear, hot-plug): hardware RAID 1 on 2 x M.2 NVMe SSDs; or internal USB
Drive types: 2.5" SAS 10K 600 GB-2.4 TB; SAS 24 Gb SSD 800 GB-7.68 TB; vSAS SSD 960 GB-7.62 TB; SATA SSD 480 GB-3.84 TB; NVMe Gen4 SSD 400 GB-15.63 TB (as listed); E3.S NVMe Gen5 SSD 3.84/7.68 TB

Graphics

Onboard: Matrox G200 with 16 MB frame buffer, up to 1920 x 1200 at 60 Hz
Accelerators: Up to 3 x 75 W single-width GPUs: NVIDIA A2 and NVIDIA L4 (slot-priority tables also list Intel GPUs)
GPU slots: 3 x LP configs: slot priority 2, 1, 3; 2 x FH (R1P+R4P): slots 1, 2; riser R2Q config 6-2 is specific to A2/L4

Expansion

Slot 1: R2A: x16 Gen4 LP (CPU1); R2P/R2Q/R2S: x16 Gen5 LP (CPU1); R2R: x8 Gen5 LP (CPU1); R1P: x16 Gen5 full-height 3/4-length (CPU1)
Slot 2: R2A/R2P/R2R: x16 Gen4 LP (CPU2; CPU1 on R2R); R2Q: x16 Gen5 LP (CPU2); R4P: x16 Gen5 full-height 3/4-length (CPU2)
Slot 3: R3A: x16 Gen4 LP (CPU2); R3P/R3S: x16 Gen5 LP (CPU2); R3Q: x16 Gen5 LP SNAP I/O (CPU1 + CPU2); R3R: x8 Gen5 LP (CPU1)
Configs: 0 no risers; 1 R2A+R3A (3 x LP Gen4); 2 R2P+R3P (2 x Gen5 + 1 x Gen4 LP); 3 R1P+R4P (2 x FH Gen5); 4 R2R+R3R (1 CPU); 5 R2A+R3Q (SNAP I/O); 6 R2Q (2 x LP Gen5); 7 R3P (+ rear drives); 8 R2A (1 CPU); 9 R2S+R3S (2 x LP Gen5 + rear drives)
Other: Optional serial port and rear VGA cards use the slot 3 position; slots are not hot-swappable

Networking

LOM: Optional 2 x 1GbE LOM card (Broadcom BCM5720)
OCP 3.0: 1 x OCP NIC 3.0 (SFF, PCIe Gen4 x8; x16 with OCP cable on the MAX board): 1GbE x4, 10GbE x2/x4, 25GbE x2/x4, 100GbE x2 (Broadcom, Intel, Mellanox)
MIC / DPU: Optional Management Interface Card for a Dell DPU (25GbE x2 or 100GbE x2; Mellanox and Pensando DPUs in the 2 x FH riser config); LOM and MIC are mutually exclusive
Add-in: PCIe NICs up to 100GbE, Mellanox NDR200/NDR400, HDR/HDR100 VPI, 32/64 Gb Fibre Channel HBAs

Power

PSU options: 700 W Titanium HLAC (200-240 VAC / 240 VDC); 800 W Platinum; 1100 W Titanium; 1400 W Platinum; 1400 W Titanium (100-240 VAC / 240 VDC); 1800 W Titanium HLAC; 1400 W Titanium 277 VAC / 336 VDC; 800 W and 1100 W -48 to -60 VDC
Low line: 1100 W and 1400 W AC PSUs deliver 1050 W at 100-120 VAC; 700 W and 1800 W are high-line only
Form factor: 60 mm PSUs, two hot-plug, 1+1 redundant, one at each side of the rear panel
Cords: C13 (700-1400 W AC, 1100 W DC), C15 (1800 W), LOTES APOW0097 (800 W DC), APP 2006G1 (1400 W 277 VAC)
Fans: Up to 4 hot-plug dual-fan modules: standard or High Performance Gold; N+1 redundant
Cooling: Air, or optional Direct Liquid Cooling (needs rack manifolds and a CDU)

Ports

Front: VGA, 1 x USB 2.0, iDRAC Direct micro-USB
Rear: 1 x USB 2.0, 1 x USB 3.0, VGA (optional on liquid-cooled systems), optional serial (DB-9), iDRAC9 dedicated Ethernet, optional 2 x 1GbE LOM
Internal: 1 x USB 3.0 (optional internal USB card)

Physical

Form factor: 1U rack
Dimensions: 42.8 mm H x 482 mm W (434 mm without ears) x 809.04 mm D without bezel (822.88 mm with bezel)
Depth by chassis: Ear to rear wall 751.47 mm (8/10 x 2.5" and E3.S) or 700.7 mm (no drives); ear to PSU handle 787.04 / 736.27 mm
Weight: 22.51 kg with all drives; 18.5 kg without drives and PSUs
Operating temp: 10-35 C (ASHRAE A2); A3 (5-40 C) and A4 (5-45 C) with configuration restrictions
Rails: A15 ReadyRails II sliding (drop-in), A16 stab-in/drop-in sliding, A14 static (2/4-post); optional CMA (not with DLC) or strain relief bar
NEBS: NEBS Level 3 / ETSI configuration available (CPUs up to 185 W, -5 to 40 C continuous)

Management

BMC: iDRAC9 (Express standard on 600+ series; Enterprise and Datacenter upgrades) with Lifecycle Controller, iDRAC Direct (front micro-USB), iDRAC Service Module, Redfish RESTful API, optional Quick Sync 2 wireless
Software: OpenManage Enterprise with Power Manager, Service, Update Manager and CloudIQ plug-ins; OpenManage Mobile; integrations for VMware vCenter/vRealize, Microsoft System Center, Windows Admin Center, ServiceNow, Red Hat Ansible, Terraform, BMC TrueSight; connections for IBM Tivoli, Micro Focus, Nagios
Security: TPM 2.0 FIPS / CC-TCG certified (TPM 2.0 China NationZ), cryptographically signed firmware, Secure Boot, Secured Component Verification, Secure Erase, Silicon Root of Trust, SED data-at-rest encryption, System Lockdown (iDRAC9 Enterprise or Datacenter)
Bezel: Optional LCD bezel or security bezel

Operating systems

Supported: Canonical Ubuntu Server LTS, Microsoft Windows Server with Hyper-V, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi
Details: Versions and certifications on Dell.com/OSsupport

Processors

Intel Xeon CPU Max 9480
Intel Xeon CPU Max 9470
Intel Xeon CPU Max 9460
Intel Xeon CPU Max 9462
Intel Xeon Platinum 8480+
Intel Xeon Platinum 8471N
Intel Xeon Platinum 8470Q
Intel Xeon Platinum 8470N
Intel Xeon Platinum 8470
Intel Xeon Platinum 8468
Intel Xeon Platinum 8462Y+
Intel Xeon Platinum 8460Y+
Intel Xeon Platinum 8452Y
Intel Xeon Gold 6458Q
Intel Xeon Gold 6454S
Intel Xeon Gold 6448Y
Intel Xeon Gold 6444Y
Intel Xeon Gold 6442Y
Intel Xeon Gold 6438Y+
Intel Xeon Gold 6438N
Intel Xeon Gold 6438M
Intel Xeon Gold 6434
Intel Xeon Gold 6430
Intel Xeon Gold 6428N
Intel Xeon Gold 6426Y
Intel Xeon Gold 6421N
Intel Xeon Gold 6414U
Intel Xeon Gold 5420+
Intel Xeon Gold 5418Y
Intel Xeon Gold 5418N
Intel Xeon Gold 5416S
Intel Xeon Gold 5415+
Intel Xeon Gold 5412U
Intel Xeon Gold 5411N
Intel Xeon Silver 4416+
Intel Xeon Silver 4410Y
Intel Xeon Bronze 3408U
Intel Xeon Platinum 8592+
Intel Xeon Platinum 8580
Intel Xeon Platinum 8568Y+
Intel Xeon Platinum 8562Y+
Intel Xeon Platinum 8558U
Intel Xeon Gold 6548N
Intel Xeon Gold 6548Y+
Intel Xeon Gold 6542Y
Intel Xeon Gold 6534
Intel Xeon Gold 6526Y
Intel Xeon Gold 5512U
Intel Xeon Silver 4514Y
Intel Xeon Silver 4510
Intel Xeon Silver 4509Y