ASUS ESC4000A-E12 Main Picture

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The ASUS ESC4000A-E12 is a 2U rackmount server built to accommodate up to four dual-slot GPUs. It utilizes an AMD EPYC 9004 Series processor, which supports a massive 128 PCI-Express Gen 5 lanes as well as 12 DDR5 memory channels - ensuring plenty of bandwidth for running multiple graphics cards and intense workloads.

Storage options include six front-accessible hot-swap bays but no internal M.2 slots. Two of the front bays house 2.5-inch drives and support both SATA and U.2 connections. The other four are 3.5-inch size, with all four supporting SATA and two also supporting U.2.

External connectivity consists of six USB ports (4 in front, 2 in back), two Gb LAN ports, and another LAN for remote management. There is an OCP 3.0 slot for installing a faster network adapter, though, as well as a couple of half-length PCIe 5.0 slots for other expansion needs.

Model: Asus ESC4000A-E12-26WGP


Socket SP5
CPU Compatibility AMD EPYC 9004 Series
Form Factor 2U
Chipset Manufacturer AMD
Network Connectivity Onboard Dual Gigabit Ethernet (RJ45)
Network Controller Intel I350
Cooling System Heatsink and Fan
Number of Fans 10
Color Black
Memory Support
Type DDR5 ECC Registered
Maximum Speed 4800 MHz
Number of Slots 12
Maximum Size per Slot 256 GB
Maximum Amount Supported 3072 GB
Onboard Video
Chipset Manufacturer ASpeed
Processor Type  AST2600
Onboard Memory 64 MB
External Connections
USB 3.2 Gen 1 (USB 3.0) 6
LAN (RJ45) 2
Mgmt LAN (RJ45) 1
Internal Connections
SATA III 6.0Gbps 6
U.2 Connector 4
TPM (module sold separately) 1
Compatible TPM Asus TPM-SPI
Notes: 2 x 2.5inch & 4 x 3.5inch Hot-swap Storage Bays
Expansion Slots
Slot 1 PCI Express 5.0 x16
Slot 2 PCI Express 5.0 x8 in a x16 size
Slot 3 PCI Express 5.0 x16
Slot 4 PCI Express 5.0 x8 in a x16 size
Slot 5 PCI Express 5.0 x16
Slot 6 PCI Express 5.0 x8 in a x16 size
Slot 7 PCI Express 5.0 x16
Slot 8 PCI Express 5.0 x8 in a x16 size
Slot 9 PCI Express 5.0 x16
Slot 10 OCP 3.0
Slot 11 PCI Express 5.0 x8
Additional Information
SLI Compatible No
Crossfire Compatible No
Built-in Webcam No
Built-in Microphone No
Bluetooth No
Dual GPU Slot Spacing 2-Slot
Integrated IO Shield Yes
Remote Management Onboard
Height 88.9 mm (3.5 in)
Width 439.5 mm (17.3 in)
Depth 800 mm (31.5 in)
Net Weight 24 kg (52.9 lbs)