Mid-Tower

1. Single socket R4 supports Intel® Core™ i9/i7/i5 X-Series, and Intel® Core™ i9 Extreme X-Series Processors 2. Intel® X299 chipset 3. Up to 128GB Non-ECC UDIMM, DDR4-2666MHz, in 8 DIMM slots 4. 4 PCI-E 3.0 x16; 1 PCI-E 3.0 x4, 2 M.2 M key with Intel® Optane™ support

1.Single AMD EPYC™ 7002/7003 Series Processor 2.8 DIMMs; up to 2TB 3DS ECC DDR4-3200MHz RDIMM/LRDIMM 3.5 PCI-E 4.0 x16 (FH), 2 PCI-E 4.0 x8 (FH) 4.Integrated IPMI 2.0 + KVM with dedicated LAN • Software Out of Band License  key (SFT-OOB-LIC) included  for OOB BIOS management 5.4 internal 3.5" SATA3 drive bays and 4 internal 2.5" drive bays M.2 Interface: 2 PCI-E 4.0 x4 M.2 Form Factor: 2280, 22110 M.2 Key: M-Key

1. Single socket H4 (LGA 1151) supports Intel® 7th/6th Gen. Core™ i7/i5/i3 series 2. Intel® Z270 Express Chipset 3. Up to 64GB Non-ECC UDIMM, DDR4-3733MHz (OC), in 4 DIMM slots 4. 4 PCI-E 3.0 x16 (run at 16/NA/16/NA, 8/8/8/8, Auto Switch), 1 PCI-E 3.0 x4 5. 2 PCIe 3.0 x4 M.2 (support 22110) 1 compatible w/ SATA; RAID 0, 1 support 6. 2 PCIe 3.0 x4 U.2 (1 share with M.2); RAID 0, 1 support 7. USB 3.1/3.0/2.0, 2 GbE LAN ports (1 via Intel i210-AT, 1 via Intel i219V) 8. Removable 3.5" and 2.5" HDD/SSD cages with tool-less trays for up to 10 drives; 2x 5.25" Peripheral Drive Bays 9. 1 DP (Display Port), 1 HDMI 10. HD Audio 7.1 channel connector by Realtek ALC1150, support SPDIF-Out 11. 750W Multi-output ATX Power Supply with modular cable; 80Plus Gold

1. Single socket R3 (LGA 2011) supports Intel® Core™ i7 Processor Extreme Edition and X-Series, Intel® Xeon® processor E5-2600 v4†/ v3, E5-1600 v3 2. Intel® X99 Chipset 3. Up to 128GB non-ECC UDIMM DDR4, frequency up to 3300MHz (OC); 8x DIMM slots 4. 4 PCI-E 3.0 x16, 2 PCI-E 2.0 x1 (in x4) 5. ALC 1150 HD Audio 6. Removable 3.5" and 2.5" HDD/SSD cages with tool-less trays for up to 10 drives; 2x 5.25" Peripheral Drive Bays 7. Dual GbE LAN with Intel® I210-AT 8. 2x 12cm front cooling fans, 1x 12cm rear exhaust fan 9. 750W Multi-output Power Supply

1. Single socket H2 (LGA 1155) supports Intel® Xeon® E3-1200 & v2 series, 2nd Gen Core i3 processors* 2. Up to 32GB DDR3 ECC 1333MHz / 1600MHz* UDIMMs in 4 sockets 3. 2 PCI-E 3.0* x8 and 1 PCI-E 2.0 x4 in x8 Expansion Slots 4. Intel® 82579LM and 82574L, 2x Gigabit Ethernet LAN ports 5. 9x USB 2.0 ports (2 rear + 6 via header + 1 Type-A) 6. 2x 5.25" external drive bays, 4x 3.5" internal drive bays, 1x 3.5" external drive bay (OEM), 90° rotating hard drive cage 7. 300W High-efficiency Power Supply

1. Mid-Tower Chassis 2. 4x 3.5" Internal HDD Drive Bays 3. 865W Silver Level Certified High-Efficiency Power Supply

1. Single socket H2 (LGA 1155) supports Intel® Xeon® E3-1200 & v2 series, 2nd Gen Core i3 processors* 2. Up to 32GB DDR3 ECC 1333MHz / 1600MHz* UDIMMs in 4 sockets 3. 1 PCI-E 3.0* x16, 2 PCI-E 2.0 x4 in x8, and 3 PCI 32-bit Expansion Slots 4. Intel® 82574L, 2x GbE LAN ports 5. Front I/O: 2x USB 2.0 ports 6. 4x 3.5" internal SATA HDDs and opt. 4x 2.5" HDD cage, 90° rotatable 7. 500W High-efficiency Power Supply