How much memory can be installed, and what DDR5 speed is supported?

It supports up to 256GB of unbuffered ECC or non-ECC UDIMM/CUDIMM memory across 4 DIMM slots, with DDR5-5600MHz supported for 2SPC CUDIMM only.

What processors and socket does this motherboard support?

This motherboard supports Intel Core Ultra 200S Plus Processors (Ultra 7/5) and Core Ultra 9/7/5 Series Processors, using a single LGA-1851 Intel V1 socket.

Questions & Answers: Supermicro X14SAEF Motherboard - LGA1851 - Intel W880 Chipset - Ultra 9/7/5 Processors - MBD-X14SAE-F-O

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Supermicro X14SAEF Motherboard - LGA1851 - Intel W880 Chipset - Ultra 9/7/5 Processors - MBD-X14SAE-F-O

Intel® Core™ Ultra 200S Plus Processors (Ultra 7/5) and Core™ Ultra 9/7/5 Series Processors, Single Socket LGA-1851(Intel® V1 Socket) supported, CPU TDP supports Up to 125W TDP
Up to 256GB Unbuffered ECC/non-ECC UDIMM/CUDIMM, DDR5-5600MHz (2SPC CUDIMM only), in 4 DIMM slots
2 M.2 slots (1 PCIe 4.0 x4 from PCH; support 2280/22110, and 1 PCIe5.0 x4 from CPU, support 2280); M.2 Key: M-Key
2 PCIe 5.0 x16 slots (16/NA or 8/8), 1 PCIe 4.0 x4 slot
Single 2.5 Gigabit LAN with Intel® Ethernet i226LM LAN controller
Single 1 Gigabit LAN with Intel® Ethernet i219LM LAN controller [AMT/vPro]
Single 1 Gigabit dedicated LAN with Realtek RTL8211F controller
Intel® W880 Controller for 8 SATA3 (6 Gbps) ports; RAID 0,1,5,10
Supports Thunderbolt 4
1 VGA, 1 HDMI port, 1 DP port, 1 Thunderbolt™ 4.0 Type-C®
Onboard TPM2.0

$649^.99 –