سوپرمایکرو X9DR7-LN4F

Dual socket R (LGA 2011) supports
    Intel® Xeon® processor E5-2600
    and E5-2600 v2 family†
Intel® C602 chipset; QPI up to 8.0GT/s
Up to 1TB ECC DDR3, up to 1866MHz;
    16x DIMM slots
: Expansion slots
    2 PCI-E 3.0 x16 and 4 PCI-E 3.0 x8
 Intel® i350 GbE controller (4 ports)
 8x SATA2 and 2x SATA3 ports
8x SAS2 (6Gb/s) ports via LSI 2308
 Integrated IPMI 2.0 and KVM with
    Dedicated LAN
7x USB 2.0 ports
    (2 rear, 4 via header + 1 Type A)

سوپرمایکرو X9DR3-LN4F

Dual socket R (LGA 2011) supports
Intel® Xeon® processor E5-2600
and E5-2600 v2 family†
Intel® C606 chipset; QPI up to 8.0GT/s
Up to 1.5TB ECC DDR3, up to 1866MHz;
24x DIMM slots
* Depends on memory configuration
 Expansion slots: 4 x16 PCI-E 3.0,
1 x8 PCI-E 3.0, 1 x4 PCI-E 3.0 (in x8)
 4x Gigabit Ethernet LAN ports;
Intel® i350 Quad port GbE controller
4x SATA2 and 2x SATA3 ports
8x SAS ports from C606
Integrated IPMI 2.0 and KVM with
Dedicated LAN
 9x USB 2.0 ports
(4 rear, 4 via header + 1 Type A)

سوپرمایکرو X9DR3

Dual socket R (LGA 2011) supports
    Intel® Xeon® processor E5-2600
    and E5-2600 v2 family†
 Intel® C606 chipset; QPI up to 8.0GT/s
Up to 1TB ECC DDR3, up to 1866MHz;
    16x DIMM slots
Expansion slots:
    3 x16 PCI-E 3.0 and 3 x8 PCI-E 3.0
 Intel® i350 Dual port GbE LAN
 4x SATA2 and 2x SATA3 ports
8x SAS ports from C606
Integrated IPMI 2.0 and KVM with
    Dedicated LAN
11x USB 2.0 ports
    (4 rear, 6 via header + 1 Type A)

سوپرمایکرو X9DRi

Dual socket R (LGA 2011) supports
Intel® Xeon® processor E5-2600
and E5-2600 v2 family†
Intel® C602 chipset; QPI up to 8.0GT/s
Up to 1TB ECC DDR3, up to 1866MHz;
16x DIMM slots
 Expansion slots:
3x PCI-E 3.0 x16 and 3x PCI-E 3.0 x8
 Intel® i350 Dual port GbE LAN
8x SATA2 and 2x SATA3 ports
Integrated IPMI 2.0 and KVM with
Dedicated LAN
11x USB 2.0 ports
(4 rear, 6 via header + 1 Type A)