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Green server motherboard with four CPU sockets and sixteen memory slots

TYAN

TYAN S4882UG2NR server motherboard, quad socket 940, 16 DDR 400 slots, 32 GB max

SKU CH-RKV9-5ACTD MPN S4882UG2NR

Server motherboard with four Socket 940 sockets, sixteen DDR 400 slots supporting 32 GB ECC registered memory, two 64-bit 133 MHz and two 64-bit 66 MHz PCI-X slots plus one PCI slot

  • Quad Opteron 940 support for high-density compute
  • 16 DDR 400 slots enable 32 GB registered ECC memory
  • Dual 64-bit PCI-X 133 MHz slots for fast I/O
  • Additional 64-bit PCI-X 66 MHz and 32-bit PCI slots
  • AMD 8131 and 8111 chipset platform for server reliability

Quad Socket 940 Server Board

The TYAN S4882UG2NR is a dual-processor motherboard designed for quad AMD Opteron CPUs in socket 940. It targets system integrators building high-density compute nodes or legacy enterprise refreshes that still require registered DDR 400 memory. The SSI MEB form factor fits compatible rackmount chassis used in established server deployments.

Thermals Power And Noise

Passive chipset heatsinks on the AMD 8131 and AMD 8111 manage heat without active cooling noise. Power delivery is distributed across four processor sockets and sixteen 184-pin DDR slots supporting up to 32 GB of registered ECC memory. Typical acoustic output depends entirely on the chosen chassis fans and CPU coolers installed by the integrator.

Expansion Slots And Connectivity

Two 64-bit PCI-X slots at 133 MHz and two at 66 MHz provide bandwidth for specialised storage or networking cards. A single 32-bit PCI slot remains available for legacy peripherals. Onboard dual gigabit LAN and integrated video reduce the need for additional add-in cards in headless or remote-managed configurations.

Highlights

  • Quad Opteron 940 support for high-density compute
  • 16 DDR 400 slots enable 32 GB registered ECC memory
  • Dual 64-bit PCI-X 133 MHz slots for fast I/O
  • Additional 64-bit PCI-X 66 MHz and 32-bit PCI slots
  • AMD 8131 and 8111 chipset platform for server reliability

Specifications

No published specifications for this item yet.

Questions about this item

How are the four Socket 940 Opterons installed on this quad-socket board, and which step is most often missed?

Each processor seats in its own Socket 940 location; the step most often missed is applying thermal compound and securing the heatsink retention frame for all four sockets before powering on.

Which component will need replacement first when running this S4882UG2NR continuously in a server rack?

The onboard VRM and chipset cooling fans typically wear out first; plan to replace them every 2–3 years to maintain stable operation.

What is the first limit reached when all four CPUs and 16 DDR 400 modules run sustained heavy workloads?

The 32 GB memory ceiling is reached before CPU or I/O bandwidth saturates, capping total addressable RAM regardless of load.

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