Processor type: Up to 2 x Intel Xeon E5 2600 v3/v4 seriesChipset: Intel C612 chipsetGraphics: Integrated 2D video controllerMemory: 16 MB DDR3 memoryMemory type: Registered / Load Reduced DDR4 ECC memoryCapacities: 8 / 16 / 32 /64 GB DIMMs Registered, 32 /64 GB DIMMs Load ReducedDIMM number: 24Max memory: 1536GB (LRDIMM) or 768 GB (RDIMM)Expansion slots Three riser slots provide:Riser slot 1:3 slot riser card: 2 x PCIe 3.0 ×8 (x16 connector) and 1 x PCIe 3.0 ×8 (x8 connector), or2 slot riser card: 1 x PCIe 3.0 x16 (x16 connector) and 1 x PCIe 3.0 x 8 (x8 connector)Riser slot 2:3 slot riser card: 2 x PCIe 3.0 ×8 (x16 connector) and 1 x PCIe 3.0 ×8 (x8 connector), or2 slot riser card: 1 x PCIe 3.0 x16 (x16 connector) and 1 x PCIe 3.0 x 8 (x8 connector)Riser slot 3:2 slot riser card: 1 x PCIe 3.0 ×8 (x8 connector) and 1 x PCIe 2.0 x 4 (x8 connector)1 x I/O module expansion slot1 x SAS RAID module expansion slotOnboard ports Front: LED indicators: power, HDD activity, LAN, system IDFront VGA, 2 x USB 3.0 ports (8 x 3.5/16 x 2.5)1 x USB 2.0 port (12 x 3.5/24 x 2.5)Rear: 2 x Gigabit or 10Gigabit LAN ports (RJ-45)Management port (RJ-45)PCIe expansion via riser cardSerial Port B (optional)Video port3 x USB 3.0 portsSerial Port A (RJ-45)2 x 2.5 SSDs (hot swappable, optional)SAS RAID: Intel ESRT2 SATA RAID 0,1,5,10 (RAID 5 requires key) orIntel RSTe software SATA RAID 0,1,5,10 (Windows OS support only)Optional hardware SAS RAIDLAN controller: Dual port Intel I350 Ethernet Controller (1GbE) or Dual port Intel X540 Ethernet Controller (10GbE)Security and service features:Administrator/user password, Power on password, Setup password, Device boot controlSecure command line interface (SSH), Secure browser interface (Secure socket layer SSL support)Secure IPMI LAN interface (Authentication, Integrity, and Confidentiality algorithm)Sub system availability:Power supply: 1+0/1+1 redundant, hot swappable power supply units Three power supply options:750 W 80 PLUS Platinum certified AC power supply1100 W 80 PLUS Platinum certified AC power supply750 W 80 PLUS Gold certified DC power supplySystem cooling: Six managed, hot swappable fans keep the system running cool at all timesStorage Hard disk form factor: 3.5 or 2.5Type: SAS / SATA / SSD with hot plug capabilityFront: up to 12 x 3.5 or 24 x 2.5 hard drives or SSDs (option to replace 4 hard drives with 4 PCIe SFF/NVMe SSDs)Rear: up to 2 x 2.5 SSDs (optional)Internal: up to 2 x 2.5 SSDs (optional)Slim line optical drive (optional)Chassis:Form factor: 2U rack optimizedRemovable media bays : Optional slim line ODD driveDimensions : 750 W SKU 439 (W) x 769 (D) x 89 (H) mm (17.25 x 30.25 x 3.5 inches)1100 W SKU439 (W) x 793.8 (D) x 89 (H) mm (17.25 x 31.25 x 3.5 inches)OS support: Microsoft Windows Server 2016/ 2012 R2SUSE Linux Enterprise Server 11 SP3Red Hat Enterprise Linux 6.5VMware ESXi 5.5Server management utilities and applications:Acer Smart Server ManagerEmbedded BMC controller with IPMI 2.0 compatibilitySystem ID LED buttons, System Health LEDSmart Console remote monitoring and optional KVM over IP management to OS levelOptional Local Control PanelWarranty: 3 year standard warranty or choose extended warranties and services