Title: ASUS Pro WS W790-ACE — LGA4677 Workstation Motherboard (Intel W790, 5× PCIe 5.0 x16, 10GbE + 2.5GbE)
Short Excerpt: CEB workstation board for Intel® Xeon® W-3400/W-2400. 8× DDR5 ECC RDIMM (up to 2 TB), five PCIe 5.0 x16 slots, dual M.2 (PCIe 4.0 x4), 3× SlimSAS (NVMe/SATA), 10GbE + 2.5GbE, abundant rear/front USB, Realtek S1220A audio, and builder-friendly extras like BIOS Flashback and Q-Design.
Overview:
Dive into serious computing with the ASUS Pro WS W790-ACE, engineered for modern Xeon W workstations. A robust power layout and server-class design deliver stability under heavy CPU/GPU loads, while five PCIe 5.0 x16 SafeSlots unlock massive bandwidth for multi-GPU, 100 GbE/IB adapters, capture cards, and NVMe accelerators. Storage is flexible: 2× M.2 (PCIe 4.0 x4) plus 3× SlimSAS ports that can be cabled for NVMe and/or up to four SATA devices (per port). Dual LAN (10GbE + 2.5GbE), extensive USB including rear USB-C Gen2x2 (20 Gb/s) and a front Gen2x2 header, and ASUS Q-Design conveniences round out a rock-solid pro platform.
Key Features:
• CPU Support: Intel® Xeon® W-3400/W-2400 (LGA4677)
• Memory: 8× DDR5 ECC RDIMM, quad-channel, up to 2 TB; OC support up to 6800(OC) depending on CPU/DIMM config
• Expansion: 5× PCIe 5.0 x16 SafeSlots (varies by lane split/bifurcation)
• Storage: 2× M.2 (PCIe 4.0 x4); 3× SlimSAS (PCIe/NVMe and/or SATA fan-out as supported) + 4× SATA 6 Gb/s
• Networking: 10GbE (Marvell AQtion) + 2.5GbE (Intel i226)
• USB: Rear—1× USB-C 3.2 Gen2x2, 4× USB-A 3.2 Gen2, 8× USB 2.0; Front—1× USB-C 3.2 Gen2x2 header, 1× USB 3.2 Gen1 header (2 ports), 2× USB 2.0 headers (4 ports)
• Audio: Realtek S1220A 7.1 HD audio, optical S/PDIF out
• Builder Friendly: BIOS FlashBack, Clear CMOS, Q-Code/LED, Start/ReTry buttons, M.2 Q-Latch, SafeSlot/SafeDIMM, ProCool II power connectors
• Form Factor: CEB, 12.0″ × 10.5″ (30.5 × 26.67 cm)
Specifications:
• Chipset: Intel W790
• PCIe Slot Modes: Supports x16/x16/x16/x0/x8 and x16/x8 modes (see ASUS bifurcation table for details)
• M.2: M.2_1 (2242/2260/2280/22110, PCIe 4.0 x4), M.2_2 (2280, PCIe 4.0 x4)
• SlimSAS:
— SlimSAS_1: PCIe 3.0 x4 NVMe
— SlimSAS_2: PCIe 4.0 x4 or up to 4× SATA via breakout cable
— SlimSAS_3: PCIe 4.0 x4 NVMe
• SATA: 4× SATA 6 Gb/s (plus up to 4 more via SlimSAS_2 when cabled for SATA)
• Rear I/O: 10GbE, 2.5GbE, USB-C Gen2x2, 4× USB-A Gen2, 8× USB-A 2.0, 5× audio jacks, optical S/PDIF, BIOS FlashBack, Clear CMOS
• Internal Headers: Front USB-C Gen2x2, USB 3.2 Gen1 (2 ports), 2× USB 2.0 (4 ports), BMC header, COM, thermal sensor, TPM (SPI)
• Cooling Headers: 1× CPU_FAN, 1× CPU_OPT, 5× chassis fan, 1× W_PUMP+
• Power Inputs: Dual 24-pin, 4× 8-pin 12V EPS, 1× 8-pin PCIe auxiliary
• BIOS: UEFI AMI, 512 Mb flash
• OS Support: Windows 11/10 64-bit, Linux
What’s in the Box:
• Pro WS W790-ACE motherboard (CEB)
• LGA4677 CPU guards (E1A/E1B)
• I/O shield (pre-mounted), user guide
• 2× SATA cables, Q-Connector
• M.2 rubber kits & backplate pad
• ACC Express activation card
Warranty: 3-year limited (manufacturer)
Lead Time: In stock. Ships within 1–3 business days (subject to inventory).
SKU: HCT-ASUS-W790-ACE