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Black E-ATX motherboard with LGA 1366 socket and DDR3 slots

ASUS

ASUS Rampage III Black Edition Intel X58 LGA 1366 DDR3 48GB E-ATX Motherboard

SKU CH-PBHQ-0K6DW

Supports LGA 1366 processors with Intel X58 chipset, DDR3 memory up to 48GB in an E-ATX form factor

  • CPU socketLGA 1366
  • ChipsetIntel X58
  • Max supported RAM48 GB
  • Supports up to 48GB DDR3 memory for large workloads
  • Intel X58 chipset enables LGA 1366 processor compatibility
  • E-ATX form factor provides expanded layout space
  • 100% inspected before shipment for reliable operation
  • Includes SATA cable and I/O back panel for immediate setup

Platform foundation

The ASUS Rampage III Black Edition is an Intel X58 motherboard built for the LGA 1366 socket. It targets enthusiasts who need a high-end platform for older workstation or gaming builds. The board supports DDR3 memory up to a total of 48GB across its slots.

Interface reality

Storage expansion relies on the onboard SATA interface, which sets the practical ceiling for drive throughput on this generation. Memory bandwidth is defined by the DDR3 standard the chipset was designed around. Builders should match components to these period-correct limits rather than expect modern speeds.

Upgrade context

This board replaces earlier X58 models that often topped out at lower memory capacities or lacked the same power delivery. The jump is worthwhile when a build demands the full 48GB limit or the specific overclocking headroom this revision provides. It does not suit buyers who want more storage interfaces or newer memory standards.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $682.99
Pricier than about 92% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameASUS
Model nameASUS Rampage III Black Edition
Processor
CPU socketLGA 1366
ChipsetIntel X58
Memory
Max supported RAM48 GB

Questions about this item

How much DDR3 memory can the Rampage III Black Edition handle?

The board supports up to 48GB of DDR3 across its DIMM slots, so you can fill it with high-capacity modules for heavy multitasking or workstation workloads.

What does the Intel X58 chipset actually deliver on this motherboard?

The X58 chipset provides the core logic for LGA 1366 processors, managing CPU-to-memory bandwidth and the PCI Express lanes used by graphics cards and expansion devices.

Which storage interface is available for drives on this board?

The motherboard includes SATA ports for connecting hard drives or SSDs, and the bundle supplies one SATA cable to get a drive up and running.

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