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The Supermicro X9DRi-F is the documented fit for two original Xeon E5-2670 processors and 16 DDR3 DIMMs. It has dual LGA2011 sockets, supports the Xeon E5-2600 family, and provides 16 DDR3 memory slots. Before buying, verify the board revision, RAM compatibility, used-board condition, and E-ATX case fit.
Why the Supermicro X9DRi-F fits this build
Intel’s original Xeon E5-2670 is part of the E5-2600 family. Supermicro specifies the X9DRi-F for dual Socket R (LGA2011) processors in the E5-2600 and E5-2600 v2 families, with an Intel C602 chipset and 16 240-pin DDR3 DIMM slots. That covers both defining requirements: two E5-2670 CPUs and 16 physical DIMM slots. Supermicro X9DRi-F specifications
Memory and build details to verify
RAM type and capacity
Supermicro lists ECC LRDIMM support up to 1 TB, ECC RDIMM up to 512 GB, and UDIMM support. Those are board-level limits, not a guarantee that every mix or set of 16 modules will work. Match the module type and population plan to the manual and memory information for the exact board revision; do not assume ordinary desktop DDR3 sticks are suitable.
Memory speed
The specification lists supported data rates from DDR3-800 through DDR3-1866, but the processor can limit the maximum speed. Treat DDR3-1866 as a listed board capability, not a promise that this E5-2670 build will run all memory at that rate.
#1 Best Overall
- Intel dual CPU sockets: This C612 server chip motherboard is designed with dual CPU sockets, which can support Intel Core i7 5th/6th generation processors and Xeon E5 V3/V4 series processors on LGA 2011-3 socket. (Note: If only one CPU is installed, please install it in the right slot, and the graphics card needs to be installed in the bottom two slots.)
- DDR4 4-channel memory slot: The memory slot of the LGA 2011-3 motherboard is designed with four channels, which can install 8 memory. It supports effective frequencies of 2133/2400MHz, and the maximum capacity is 256GB. (Non-ECC memory is not compatible when using E5 V4 series processors)
- PCIe 3.0 protocol standard: Equipped with 4 PCIe 3.0 X16 graphics card slots (with steel case). The transfer rate can reach 15.754 GB/s using one graphics card, and the performance can be improved by at least 50% by using two graphics cards. Equipped with dual M.2 hard disk slots, it can achieve fast reading even if multiple programs are running
- Stable power supply: use 24+8+8pin standard power supply interface (need to use a dedicated power supply for dual server motherboards), 12 (CPU) + 4 (memory) + 1 (C612 chip) phase power supply. Precise modularization provides good heat dissipation and makes the program run more stably
- Strong expandability: The X99 motherboard is equipped with multiple expansion interfaces to ensure that the motherboard has more room for improvement. These include 4*USB 3.0 ports, 4*USB 2.0 ports, 10*SATA 3.0 ports, 4*3pin sys fan, 2*4pin CPU fan. Besides, dual network ports allow your computer to do more things
Case, cooling, and expansion
The X9DRi-F is a 12 × 13-inch E-ATX board. Confirm the chassis supports those dimensions and the mounting pattern, and allows room for two CPU coolers and adequate airflow. Supermicro also states that both CPUs must be installed for full access to PCIe slots and onboard controllers, which matters if the build will use expansion cards.
Why similar ASUS boards are not equivalent
| Board | CPU platform | Memory slots | Fit for two E5-2670 CPUs and 16 DDR3 DIMMs? |
|---|---|---|---|
| Supermicro X9DRi-F | Dual LGA2011; Xeon E5-2600 and E5-2600 v2 | 16 DDR3 | Yes, according to Supermicro’s specifications. |
| ASUS Z9PE-D8 WS | Dual LGA2011/C602; Xeon E5-2600 family | 8 DIMM slots | No; it falls short of the 16-slot requirement. ASUS Z9PE-D8 WS manual |
| ASUS Z10PE-D16 WS | Dual LGA2011-3; Xeon E5-2600 v3/v4 | 16 DDR4 | No; it uses a different socket and DDR4, so it is not a drop-in match for E5-2670 CPUs and DDR3. ASUS Z10PE-D16 WS specifications |
For any alternative, check the exact model against the processor generation, socket, DDR generation, and physical slot count. A similar model name or a 16-slot listing by itself does not establish compatibility.
Rank #2
- LGA 2011-3 Dual CPU Motherboard: Intel series LGA 2011-3 socket and dual CPU design. And it supports Intel Xeon E5-2XXX-V3, E5-2XXX-V4 series processors. (Note: Please use two CPUs of the same model. Intel Core i7 series processors do not support dual CPU)
- Maximum memory 256GB: The X99 server motherboard supports 8-channel DDR4 ECC/RECC/Desktop memory up to 256GB(8X32GB), 2133/2400MHZ effective frequencies. (Note: The Server RAM can't work with the Desktop RAM. When using E5 V4 CPUs, only ECC or RECC memory is supported, not desktop memory)
- PCIe 3.0 Protocol Standard: Equipped with 2 PCIe 3.0 X16 slots, 1 PCIe 3.0 X8 slot, 2 PCIe 2.0 X1 slots. Equipped with dual M.2 (PCIe 3.0 X4 bandwidth) hard disk slots, it can achieve fast reading even if multiple programs are running
- High-performance Motherboard: The X99 DDR4 motherboard is equipped with C612 chipset, 6-layer PCB material design. Assemble the diagnostic card, you can quickly find the fault location. Besides, dual network ports allow your computer to do more things
- Heat Dissipation and Power Supply: The X99 gaming motherboard is equipped with 3 VRM heat sinks, to realize rapid heat dissipation. And equipped with 24pin+8pin+8pin power interface, using the 6-phase power supply to ensure stable power supply. (Please use a power supply greater than 600W)
Used-board checks before you buy
- Confirm the model: make sure the listing is for an X9DRi-F, not a similarly named single-socket X9 board or a later X10 model.
- Request current photos: inspect the socket pins, DIMM slots, PCB labels and revision, connectors, and whether the I/O shield is included.
- Ask about testing: seek evidence that both CPU sockets and all memory channels have been tested. A seller’s statement is more useful when it identifies the test performed and configuration used.
- Check your memory plan: confirm the DIMM type and population rules for the exact revision before purchasing RAM or assuming all 16 modules will be usable together.
- Check the rest of the platform: verify case dimensions and airflow, PSU connectors, cooler mounting compatibility, BIOS, replacement-part availability, and the seller’s return terms.
The cited specifications establish the model’s supported platform and layout; they do not establish the condition, firmware, accessories, or testing history of any particular used listing.
Quick Recap
Best Value
- Integrated chip :sound card/card, Integrated: RTL8111H gigabit nics
- PCI-E Slot :2xPCI-E X16 ,PCI-E Slot :2xPCI-E X1
- Memory type: DDR4 3000/2666/2400/2133MHz ,Memory slot: 8xDDR4 DIMM
- Audio integration:6 channel sound chip ,CPU slot :LGA 2011-3 ,Support the CPU number :2
- 2x USB3.0 header(1group) 2x USB2.0 header(1group) 6xSATA3.0 interface
Rank #4
- Intel Xeon 6500/6700-series processors with E-cores and P-cores, Dual Socket LGA-4710 (Socket E2) supported, CPU TDP supports Up to 350W TDP
- Total up to 4TB ECC RDIMM DDR5-6400MT/s in 16 DIMM slots
- 3 PCIe 5.0 x8 via MCIO connectors
- M.2 Interface: 2 PCIe 5.0 x4M.2 Form Factor: 2280, 22110
- Dual LAN with 1GBase-T with Broadcom BCM5720
Rank #3
- Intel Dual CPU Sockets: This C612 chipset server motherboard is designed with dual CPU sockets, which can support Xeon E5 V3/V4 series processors. (Note: Core i7 not support Dual-CPU mode, if only one CPU is installed, please install it in the left slot)
- DDR4 Memory Slots: The memory slots of the LGA 2011-v3 motherboard is designed with 8-channel, which can support DDR4, DDR4 ECC, DDR4 RECC RAM. It supports effective frequencies is 2133/2400MHz, and the maximum capacity is 256GB. (Note: When use E5 v4 CPU, can not support Desktop DDR4 RAM)
- PCIe 3.0 Protocol: Equipped with 2 PCIe 3.0 X16 graphics card slots (with steel case), and 1 PCIe 3.0 X8, 2 PCIe 2.0 X1. The transfer rate can reach 15.754 GB/s. Equipped with 2 M.2 hard disk slots, which can achieve fast reading even if multiple programs are running
- Stable Power Supply: The X99 Dual CPU motherboard use 24+8+8pin standard power supply interface, 8-phase power supply. Precise modularization provides good heat dissipation and makes the program run more stably
- Strong Expandability: The X99 gaming motherboard is equipped with multiple expansion interfaces to ensure that the motherboard has more room for improvement, include 4*USB 3.0 ports, 2*USB 2.0 ports, 8*SATA 3.0 ports, 2*network ports
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